<?xml version="1.0" encoding="US-ASCII"?>
<!--XBRL Document Created with Wdesk from Workiva-->
<!-- -->
<link:linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/AccountsReceivableNet" xlink:href="mg-20180630.xsd#AccountsReceivableNet" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/AccountsReceivableNetDetails" xlink:href="mg-20180630.xsd#AccountsReceivableNetDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/AccountsReceivableNetTables" xlink:href="mg-20180630.xsd#AccountsReceivableNetTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/AccruedExpensesAndOtherCurrentLiabilities" xlink:href="mg-20180630.xsd#AccruedExpensesAndOtherCurrentLiabilities" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/AccruedExpensesAndOtherCurrentLiabilitiesDetails" xlink:href="mg-20180630.xsd#AccruedExpensesAndOtherCurrentLiabilitiesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/AccruedExpensesAndOtherCurrentLiabilitiesTables" xlink:href="mg-20180630.xsd#AccruedExpensesAndOtherCurrentLiabilitiesTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/Acquisitions" xlink:href="mg-20180630.xsd#Acquisitions" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/AcquisitionsAcquisitionRelatedExpenseDetails" xlink:href="mg-20180630.xsd#AcquisitionsAcquisitionRelatedExpenseDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/AcquisitionsDetails" xlink:href="mg-20180630.xsd#AcquisitionsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/AcquisitionsDispositionsDetails" xlink:href="mg-20180630.xsd#AcquisitionsDispositionsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/AcquisitionsTables" xlink:href="mg-20180630.xsd#AcquisitionsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/CommitmentsAndContingencies" xlink:href="mg-20180630.xsd#CommitmentsAndContingencies" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/CommitmentsAndContingenciesDetails" xlink:href="mg-20180630.xsd#CommitmentsAndContingenciesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/CondensedConsolidatedBalanceSheets" xlink:href="mg-20180630.xsd#CondensedConsolidatedBalanceSheets" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/CondensedConsolidatedBalanceSheetsParenthetical" xlink:href="mg-20180630.xsd#CondensedConsolidatedBalanceSheetsParenthetical" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/DescriptionOfBusinessandBasisOfPresentation" xlink:href="mg-20180630.xsd#DescriptionOfBusinessandBasisOfPresentation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/DescriptionOfBusinessandBasisOfPresentationDetails" xlink:href="mg-20180630.xsd#DescriptionOfBusinessandBasisOfPresentationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/DescriptionOfBusinessandBasisOfPresentationPolicies" xlink:href="mg-20180630.xsd#DescriptionOfBusinessandBasisOfPresentationPolicies" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/DocumentAndEntityInformation" xlink:href="mg-20180630.xsd#DocumentAndEntityInformation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/EarningsPerShare" xlink:href="mg-20180630.xsd#EarningsPerShare" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/EarningsPerShareDetails" xlink:href="mg-20180630.xsd#EarningsPerShareDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/EarningsPerShareTables" xlink:href="mg-20180630.xsd#EarningsPerShareTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/FairValueMeasurements" xlink:href="mg-20180630.xsd#FairValueMeasurements" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/FairValueMeasurementsDetails" xlink:href="mg-20180630.xsd#FairValueMeasurementsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/FairValueMeasurementsTables" xlink:href="mg-20180630.xsd#FairValueMeasurementsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/Goodwill" xlink:href="mg-20180630.xsd#Goodwill" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/GoodwillAdditionalInformationDetails" xlink:href="mg-20180630.xsd#GoodwillAdditionalInformationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/GoodwillDetails" xlink:href="mg-20180630.xsd#GoodwillDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/GoodwillTables" xlink:href="mg-20180630.xsd#GoodwillTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/IntangibleAssets" xlink:href="mg-20180630.xsd#IntangibleAssets" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/IntangibleAssetsDetails" xlink:href="mg-20180630.xsd#IntangibleAssetsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/IntangibleAssetsTables" xlink:href="mg-20180630.xsd#IntangibleAssetsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/LongTermDebt" xlink:href="mg-20180630.xsd#LongTermDebt" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/LongTermDebtAdditionalInformationDetails" xlink:href="mg-20180630.xsd#LongTermDebtAdditionalInformationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/LongTermDebtScheduleOfLongTermDebtDetails" xlink:href="mg-20180630.xsd#LongTermDebtScheduleOfLongTermDebtDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/LongTermDebtTables" xlink:href="mg-20180630.xsd#LongTermDebtTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/PropertyPlantAndEquipmentNet" xlink:href="mg-20180630.xsd#PropertyPlantAndEquipmentNet" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/PropertyPlantAndEquipmentNetDetails" xlink:href="mg-20180630.xsd#PropertyPlantAndEquipmentNetDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/PropertyPlantAndEquipmentNetTables" xlink:href="mg-20180630.xsd#PropertyPlantAndEquipmentNetTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/RepurchaseOfCommonStock" xlink:href="mg-20180630.xsd#RepurchaseOfCommonStock" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/RepurchaseOfCommonStockDetails" xlink:href="mg-20180630.xsd#RepurchaseOfCommonStockDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/Revenue" xlink:href="mg-20180630.xsd#Revenue" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/RevenueAdditionalInformationDetails" xlink:href="mg-20180630.xsd#RevenueAdditionalInformationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/RevenueDetails" xlink:href="mg-20180630.xsd#RevenueDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/RevenueTables" xlink:href="mg-20180630.xsd#RevenueTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/SegmentDisclosure" xlink:href="mg-20180630.xsd#SegmentDisclosure" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/SegmentDisclosureFinancialInformationBySegmentDetails" xlink:href="mg-20180630.xsd#SegmentDisclosureFinancialInformationBySegmentDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/SegmentDisclosureRevenuesByGeographicAreaDetails" xlink:href="mg-20180630.xsd#SegmentDisclosureRevenuesByGeographicAreaDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/SegmentDisclosureTables" xlink:href="mg-20180630.xsd#SegmentDisclosureTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/ShareBasedCompensation" xlink:href="mg-20180630.xsd#ShareBasedCompensation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/ShareBasedCompensationEquityIncentivePlansDetails" xlink:href="mg-20180630.xsd#ShareBasedCompensationEquityIncentivePlansDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/ShareBasedCompensationPerformanceRestrictedStockUnitsActivityDetails" xlink:href="mg-20180630.xsd#ShareBasedCompensationPerformanceRestrictedStockUnitsActivityDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/ShareBasedCompensationPerformanceRestrictedStockUnitsNarrativeDetails" xlink:href="mg-20180630.xsd#ShareBasedCompensationPerformanceRestrictedStockUnitsNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/ShareBasedCompensationRestrictedStockUnitAwardsNarrativeDetails" xlink:href="mg-20180630.xsd#ShareBasedCompensationRestrictedStockUnitAwardsNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/ShareBasedCompensationRestrictedStockUnitsAwardsActivityDetails" xlink:href="mg-20180630.xsd#ShareBasedCompensationRestrictedStockUnitsAwardsActivityDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/ShareBasedCompensationStockOptionsDetails" xlink:href="mg-20180630.xsd#ShareBasedCompensationStockOptionsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/ShareBasedCompensationTables" xlink:href="mg-20180630.xsd#ShareBasedCompensationTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/UnauditedCondensedConsolidatedStatementsOfCashFlows" xlink:href="mg-20180630.xsd#UnauditedCondensedConsolidatedStatementsOfCashFlows" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/UnauditedCondensedConsolidatedStatementsOfComprehensiveIncomeLoss" xlink:href="mg-20180630.xsd#UnauditedCondensedConsolidatedStatementsOfComprehensiveIncomeLoss" xlink:type="simple" />
  <link:roleRef roleURI="http://www.mistrasgroup.com/role/UnauditedCondensedConsolidatedStatementsOfIncomeLoss" xlink:href="mg-20180630.xsd#UnauditedCondensedConsolidatedStatementsOfIncomeLoss" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedNetLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedNetLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodEndLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/netLabel" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel" xlink:type="simple" />
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/AccountsReceivableNet" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ReceivablesAbstract" xlink:label="loc_us-gaap_ReceivablesAbstract_119522079FEC5434B3512A6D8D22D824" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock" xlink:label="loc_us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock_8B5DB51A3DF65C8A9C1FAD9595DC6304" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReceivablesAbstract_119522079FEC5434B3512A6D8D22D824" xlink:to="loc_us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock_8B5DB51A3DF65C8A9C1FAD9595DC6304" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/AccountsReceivableNetDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ReceivablesAbstract" xlink:label="loc_us-gaap_ReceivablesAbstract_EB7E92B221627CF4D5440235477328A1" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountsReceivableGrossCurrent" xlink:label="loc_us-gaap_AccountsReceivableGrossCurrent_E09714CB08BCA48472BE02354774EBC6" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReceivablesAbstract_EB7E92B221627CF4D5440235477328A1" xlink:to="loc_us-gaap_AccountsReceivableGrossCurrent_E09714CB08BCA48472BE02354774EBC6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_6A35AEBE787C35F36538023547748170" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReceivablesAbstract_EB7E92B221627CF4D5440235477328A1" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_6A35AEBE787C35F36538023547748170" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ReceivablesNetCurrent" xlink:label="loc_us-gaap_ReceivablesNetCurrent_D85583B8B749F00292C702354774F1B1" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReceivablesAbstract_EB7E92B221627CF4D5440235477328A1" xlink:to="loc_us-gaap_ReceivablesNetCurrent_D85583B8B749F00292C702354774F1B1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ContractWithCustomerAssetNetCurrent" xlink:label="loc_us-gaap_ContractWithCustomerAssetNetCurrent_58F0DDC210D95D26C79D0237B80F65FD" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReceivablesAbstract_EB7E92B221627CF4D5440235477328A1" xlink:to="loc_us-gaap_ContractWithCustomerAssetNetCurrent_58F0DDC210D95D26C79D0237B80F65FD" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/AccountsReceivableNetTables" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ReceivablesAbstract" xlink:label="loc_us-gaap_ReceivablesAbstract_AE4A464CE764513CBD3270842D980A61" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock_A9385FD8BF595F0AA7A6EA73C5DDBBDF" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReceivablesAbstract_AE4A464CE764513CBD3270842D980A61" xlink:to="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock_A9385FD8BF595F0AA7A6EA73C5DDBBDF" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/AccruedExpensesAndOtherCurrentLiabilities" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PayablesAndAccrualsAbstract" xlink:label="loc_us-gaap_PayablesAndAccrualsAbstract_A4629036BB745929957B9B3F2718997F" xlink:type="locator" />
    <link:loc xlink:href="mg-20180630.xsd#mg_AccruedLiabilitiesDeferredRevenuesAndContingentConsiderationLiabilitiesCurrentDisclosureTextBlock" xlink:label="loc_mg_AccruedLiabilitiesDeferredRevenuesAndContingentConsiderationLiabilitiesCurrentDisclosureTextBlock_413BFA8687CB5F2681ED4D895A14B36A" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PayablesAndAccrualsAbstract_A4629036BB745929957B9B3F2718997F" xlink:to="loc_mg_AccruedLiabilitiesDeferredRevenuesAndContingentConsiderationLiabilitiesCurrentDisclosureTextBlock_413BFA8687CB5F2681ED4D895A14B36A" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/AccruedExpensesAndOtherCurrentLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PayablesAndAccrualsAbstract" xlink:label="loc_us-gaap_PayablesAndAccrualsAbstract_2AF89ED32259B5A646EA0235471DAA3B" xlink:type="locator" />
    <link:loc xlink:href="mg-20180630.xsd#mg_AccruedSalariesWagesAndEmployeeRelatedBenefitsCurrent" xlink:label="loc_mg_AccruedSalariesWagesAndEmployeeRelatedBenefitsCurrent_A646B620586686791FA40235471D4BC3" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PayablesAndAccrualsAbstract_2AF89ED32259B5A646EA0235471DAA3B" xlink:to="loc_mg_AccruedSalariesWagesAndEmployeeRelatedBenefitsCurrent_A646B620586686791FA40235471D4BC3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BusinessCombinationContingentConsiderationLiabilityCurrent" xlink:label="loc_us-gaap_BusinessCombinationContingentConsiderationLiabilityCurrent_9DC886508CA2F95DCC7E0235471DFFCE" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PayablesAndAccrualsAbstract_2AF89ED32259B5A646EA0235471DAA3B" xlink:to="loc_us-gaap_BusinessCombinationContingentConsiderationLiabilityCurrent_9DC886508CA2F95DCC7E0235471DFFCE" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_AccruedWorkersCompensationAndHealthBenefitsCurrent" xlink:label="loc_mg_AccruedWorkersCompensationAndHealthBenefitsCurrent_136F74E622834E49DEB50235471D9916" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PayablesAndAccrualsAbstract_2AF89ED32259B5A646EA0235471DAA3B" xlink:to="loc_mg_AccruedWorkersCompensationAndHealthBenefitsCurrent_136F74E622834E49DEB50235471D9916" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ContractWithCustomerLiabilityCurrent" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_1E10323F98351D150774023F88CCE049" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PayablesAndAccrualsAbstract_2AF89ED32259B5A646EA0235471DAA3B" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_1E10323F98351D150774023F88CCE049" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LossContingencyAccrualCarryingValueCurrent" xlink:label="loc_us-gaap_LossContingencyAccrualCarryingValueCurrent_9DFC885E2CBB36D2C9230235471E45D9" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PayablesAndAccrualsAbstract_2AF89ED32259B5A646EA0235471DAA3B" xlink:to="loc_us-gaap_LossContingencyAccrualCarryingValueCurrent_9DFC885E2CBB36D2C9230235471E45D9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherAccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesCurrent_0CDA904C5B2E1B1D078E0235471E2DCA" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PayablesAndAccrualsAbstract_2AF89ED32259B5A646EA0235471DAA3B" xlink:to="loc_us-gaap_OtherAccruedLiabilitiesCurrent_0CDA904C5B2E1B1D078E0235471E2DCA" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_AccruedLiabilitiesDeferredRevenuesAndContingentConsiderationLiabilitiesCurrent" xlink:label="loc_mg_AccruedLiabilitiesDeferredRevenuesAndContingentConsiderationLiabilitiesCurrent_E39E848E5B8715AC976C0235471EFA84" xlink:type="locator" />
    <link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PayablesAndAccrualsAbstract_2AF89ED32259B5A646EA0235471DAA3B" xlink:to="loc_mg_AccruedLiabilitiesDeferredRevenuesAndContingentConsiderationLiabilitiesCurrent_E39E848E5B8715AC976C0235471EFA84" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/AccruedExpensesAndOtherCurrentLiabilitiesTables" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PayablesAndAccrualsAbstract" xlink:label="loc_us-gaap_PayablesAndAccrualsAbstract_C3002F65245951F288481DE53EA191E3" xlink:type="locator" />
    <link:loc xlink:href="mg-20180630.xsd#mg_ScheduleOfAccruedLiabilitiesDeferredRevenueAndContingentConsiderationLiabilitiesCurrentTableTextBlock" xlink:label="loc_mg_ScheduleOfAccruedLiabilitiesDeferredRevenueAndContingentConsiderationLiabilitiesCurrentTableTextBlock_3A78CE44B5E05F5AAB3223F828A4662D" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PayablesAndAccrualsAbstract_C3002F65245951F288481DE53EA191E3" xlink:to="loc_mg_ScheduleOfAccruedLiabilitiesDeferredRevenueAndContingentConsiderationLiabilitiesCurrentTableTextBlock_3A78CE44B5E05F5AAB3223F828A4662D" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/Acquisitions" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BusinessCombinationsAbstract" xlink:label="loc_us-gaap_BusinessCombinationsAbstract_2987FE0826C254FDAB1B7A9C387C27C9" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BusinessCombinationDisclosureTextBlock" xlink:label="loc_us-gaap_BusinessCombinationDisclosureTextBlock_9268BEFE12545F368C1D30D50F303E2D" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessCombinationsAbstract_2987FE0826C254FDAB1B7A9C387C27C9" xlink:to="loc_us-gaap_BusinessCombinationDisclosureTextBlock_9268BEFE12545F368C1D30D50F303E2D" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/AcquisitionsAcquisitionRelatedExpenseDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BusinessCombinationsAbstract" xlink:label="loc_us-gaap_BusinessCombinationsAbstract_4D048C92F24D59F3BF71935184BC8F49" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BusinessCombinationAcquisitionRelatedCosts" xlink:label="loc_us-gaap_BusinessCombinationAcquisitionRelatedCosts_4456242BA97A5F6DA53E31AFE7CA788E" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessCombinationsAbstract_4D048C92F24D59F3BF71935184BC8F49" xlink:to="loc_us-gaap_BusinessCombinationAcquisitionRelatedCosts_4456242BA97A5F6DA53E31AFE7CA788E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1" xlink:label="loc_us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1_106429111C62507D9670744828397DBA" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessCombinationsAbstract_4D048C92F24D59F3BF71935184BC8F49" xlink:to="loc_us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1_106429111C62507D9670744828397DBA" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_AcquisitionRelatedCostsAndFairValueAdjustmentsToInitialPurchasePriceAllocation" xlink:label="loc_mg_AcquisitionRelatedCostsAndFairValueAdjustmentsToInitialPurchasePriceAllocation_3523830A1B28505BB712CF190C96AA32" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessCombinationsAbstract_4D048C92F24D59F3BF71935184BC8F49" xlink:to="loc_mg_AcquisitionRelatedCostsAndFairValueAdjustmentsToInitialPurchasePriceAllocation_3523830A1B28505BB712CF190C96AA32" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/AcquisitionsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BusinessCombinationsAbstract" xlink:label="loc_us-gaap_BusinessCombinationsAbstract_B11BA6AC7FCB4E6CA058E1FD84C6977F" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_49FA46A9A101E37BE990E1FD84C60574" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessCombinationsAbstract_B11BA6AC7FCB4E6CA058E1FD84C6977F" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_49FA46A9A101E37BE990E1FD84C60574" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_CA549D37C47A9EEF653EE1FD84C6EC21" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_49FA46A9A101E37BE990E1FD84C60574" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_CA549D37C47A9EEF653EE1FD84C6EC21" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_88005B577D3986EF1426E1FD84C6D3D2" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_CA549D37C47A9EEF653EE1FD84C6EC21" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_88005B577D3986EF1426E1FD84C6D3D2" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_AcquisitionsinFiscal2018Member" xlink:label="loc_mg_AcquisitionsinFiscal2018Member_4F0E0ED53B330758A50BE1FD84C67E38" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_88005B577D3986EF1426E1FD84C6D3D2" xlink:to="loc_mg_AcquisitionsinFiscal2018Member_4F0E0ED53B330758A50BE1FD84C67E38" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_AcquisitionsinFiscal2017Member" xlink:label="loc_mg_AcquisitionsinFiscal2017Member_9B9719DF26D0909DF43DE1FD84C61E3B" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_88005B577D3986EF1426E1FD84C6D3D2" xlink:to="loc_mg_AcquisitionsinFiscal2017Member_9B9719DF26D0909DF43DE1FD84C61E3B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_797042570C703B46B094E1FD84C6C9E0" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_49FA46A9A101E37BE990E1FD84C60574" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_797042570C703B46B094E1FD84C6C9E0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_B07BB71EF9408D7E64A2E1FD84C6F374" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_797042570C703B46B094E1FD84C6C9E0" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_B07BB71EF9408D7E64A2E1FD84C6F374" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_CustomerRelationshipsandNoncompeteAgreementsMember" xlink:label="loc_mg_CustomerRelationshipsandNoncompeteAgreementsMember_EDCE4DC286523E12CB2BE1FD84C62EB9" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_B07BB71EF9408D7E64A2E1FD84C6F374" xlink:to="loc_mg_CustomerRelationshipsandNoncompeteAgreementsMember_EDCE4DC286523E12CB2BE1FD84C62EB9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementGeographicalAxis" xlink:label="loc_us-gaap_StatementGeographicalAxis_A38972489C3E591BEDB7E1FD84C6B05C" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_49FA46A9A101E37BE990E1FD84C60574" xlink:to="loc_us-gaap_StatementGeographicalAxis_A38972489C3E591BEDB7E1FD84C6B05C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:label="loc_us-gaap_SegmentGeographicalDomain_F03901A72E30EFDD82E9E1FD84C67E09" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementGeographicalAxis_A38972489C3E591BEDB7E1FD84C6B05C" xlink:to="loc_us-gaap_SegmentGeographicalDomain_F03901A72E30EFDD82E9E1FD84C67E09" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/country/2017/country-2017-01-31.xsd#country_US" xlink:label="loc_country_US_960E6B6661B2E49AD1ECE1FD84C6BC6D" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentGeographicalDomain_F03901A72E30EFDD82E9E1FD84C67E09" xlink:to="loc_country_US_960E6B6661B2E49AD1ECE1FD84C6BC6D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_775E25FB28BAD83D1CDBE1FD84C662CB" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_49FA46A9A101E37BE990E1FD84C60574" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_775E25FB28BAD83D1CDBE1FD84C662CB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_21453306E1D5FEBA5394E1FD84C62121" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_775E25FB28BAD83D1CDBE1FD84C662CB" xlink:to="loc_us-gaap_SegmentDomain_21453306E1D5FEBA5394E1FD84C62121" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_ServicesMember" xlink:label="loc_mg_ServicesMember_5BA68603C872D07F9B25E1FD84C68031" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_21453306E1D5FEBA5394E1FD84C62121" xlink:to="loc_mg_ServicesMember_5BA68603C872D07F9B25E1FD84C68031" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_652835894CC0F85A7736E1FD84C64B40" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_49FA46A9A101E37BE990E1FD84C60574" xlink:to="loc_us-gaap_BusinessAcquisitionLineItems_652835894CC0F85A7736E1FD84C64B40" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NumberOfBusinessesAcquired" xlink:label="loc_us-gaap_NumberOfBusinessesAcquired_FB35F7E2B6A345B20188E1FD84C63873" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_652835894CC0F85A7736E1FD84C64B40" xlink:to="loc_us-gaap_NumberOfBusinessesAcquired_FB35F7E2B6A345B20188E1FD84C63873" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesGross" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesGross_ABABA9BFCD2D256737F3E1FD84C69BD9" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_652835894CC0F85A7736E1FD84C64B40" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesGross_ABABA9BFCD2D256737F3E1FD84C69BD9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BusinessCombinationContingentConsiderationLiability" xlink:label="loc_us-gaap_BusinessCombinationContingentConsiderationLiability_B8BC7F69FA278D361D1EE1FD84C641B0" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_652835894CC0F85A7736E1FD84C64B40" xlink:to="loc_us-gaap_BusinessCombinationContingentConsiderationLiability_B8BC7F69FA278D361D1EE1FD84C641B0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_C96EC0FCE1106CE2CA62E1FD84C6B08B" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_652835894CC0F85A7736E1FD84C64B40" xlink:to="loc_us-gaap_Goodwill_C96EC0FCE1106CE2CA62E1FD84C6B08B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_CC837302305E7E75BFB8E1FD84C6E85D" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_652835894CC0F85A7736E1FD84C64B40" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_CC837302305E7E75BFB8E1FD84C6E85D" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/AcquisitionsDispositionsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BusinessCombinationsAbstract" xlink:label="loc_us-gaap_BusinessCombinationsAbstract_EEDFD9E12A58E48EA54402354786EB79" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_A2A2470C0C6AD60CE58902354787FF6B" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessCombinationsAbstract_EEDFD9E12A58E48EA54402354786EB79" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_A2A2470C0C6AD60CE58902354787FF6B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_8ADA8FBF36C9CEA13BCE023547872F83" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_A2A2470C0C6AD60CE58902354787FF6B" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_8ADA8FBF36C9CEA13BCE023547872F83" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_7C892962FABB95EBBE7F023547879051" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_8ADA8FBF36C9CEA13BCE023547872F83" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_7C892962FABB95EBBE7F023547879051" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_DisposalOfForeignSubsidiariesMember" xlink:label="loc_mg_DisposalOfForeignSubsidiariesMember_D7AF8D77ABFE3BB14FE702354788CB76" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_7C892962FABB95EBBE7F023547879051" xlink:to="loc_mg_DisposalOfForeignSubsidiariesMember_D7AF8D77ABFE3BB14FE702354788CB76" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_14B9C256D3C76B68E86E02354788CB2A" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_A2A2470C0C6AD60CE58902354787FF6B" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_14B9C256D3C76B68E86E02354788CB2A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_BECC15DCCD57B561006002354788E91C" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_14B9C256D3C76B68E86E02354788CB2A" xlink:to="loc_us-gaap_SegmentDomain_BECC15DCCD57B561006002354788E91C" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_ProductsandSystemsMember" xlink:label="loc_mg_ProductsandSystemsMember_AD433B10DF58184FCA8002354789D463" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_BECC15DCCD57B561006002354788E91C" xlink:to="loc_mg_ProductsandSystemsMember_AD433B10DF58184FCA8002354789D463" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisposalGroupClassificationAxis" xlink:label="loc_us-gaap_DisposalGroupClassificationAxis_E3A148FD90BAF4115C3302354789179E" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_A2A2470C0C6AD60CE58902354787FF6B" xlink:to="loc_us-gaap_DisposalGroupClassificationAxis_E3A148FD90BAF4115C3302354789179E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisposalGroupClassificationDomain" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_310934BACC809841E55902354789956A" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_E3A148FD90BAF4115C3302354789179E" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_310934BACC809841E55902354789956A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisposalGroupHeldForSaleOrDisposedOfBySaleNotDiscontinuedOperationsMember" xlink:label="loc_us-gaap_DisposalGroupHeldForSaleOrDisposedOfBySaleNotDiscontinuedOperationsMember_397A6DED01A7A21FFE0F02354789DEA8" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisposalGroupClassificationDomain_310934BACC809841E55902354789956A" xlink:to="loc_us-gaap_DisposalGroupHeldForSaleOrDisposedOfBySaleNotDiscontinuedOperationsMember_397A6DED01A7A21FFE0F02354789DEA8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_820E0C8AFEC4D2D461E20235478A391E" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_A2A2470C0C6AD60CE58902354787FF6B" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_820E0C8AFEC4D2D461E20235478A391E" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_DisposalGroupNumberofSubsidiariesClassifiedasHeldforsale" xlink:label="loc_mg_DisposalGroupNumberofSubsidiariesClassifiedasHeldforsale_6846CE61B2112F8E425C0235478A0360" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_820E0C8AFEC4D2D461E20235478A391E" xlink:to="loc_mg_DisposalGroupNumberofSubsidiariesClassifiedasHeldforsale_6846CE61B2112F8E425C0235478A0360" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_DisposalGroupIncludingDiscontinuedOperationLiabilitiesPercentageOfConsolidatedRevenues" xlink:label="loc_mg_DisposalGroupIncludingDiscontinuedOperationLiabilitiesPercentageOfConsolidatedRevenues_4BED44FA2F296C62B72C0235478A8351" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_820E0C8AFEC4D2D461E20235478A391E" xlink:to="loc_mg_DisposalGroupIncludingDiscontinuedOperationLiabilitiesPercentageOfConsolidatedRevenues_4BED44FA2F296C62B72C0235478A8351" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss_03200AB8264F1052C9A60235478A4317" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_820E0C8AFEC4D2D461E20235478A391E" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss_03200AB8264F1052C9A60235478A4317" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_DisposalGroupIncludingDiscontinuedOperationAssetsPercentageOfConsolidatedAssets" xlink:label="loc_mg_DisposalGroupIncludingDiscontinuedOperationAssetsPercentageOfConsolidatedAssets_2DEBE1617AD88B8579E60235478BD21E" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_820E0C8AFEC4D2D461E20235478A391E" xlink:to="loc_mg_DisposalGroupIncludingDiscontinuedOperationAssetsPercentageOfConsolidatedAssets_2DEBE1617AD88B8579E60235478BD21E" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_DisposalGroupIncludingDiscontinuedOperationLiabilitiesPercentageOfConsolidatedLiabilities" xlink:label="loc_mg_DisposalGroupIncludingDiscontinuedOperationLiabilitiesPercentageOfConsolidatedLiabilities_C2CA3E69B3DCF78B2C1A0235478B9EB3" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_820E0C8AFEC4D2D461E20235478A391E" xlink:to="loc_mg_DisposalGroupIncludingDiscontinuedOperationLiabilitiesPercentageOfConsolidatedLiabilities_C2CA3E69B3DCF78B2C1A0235478B9EB3" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/AcquisitionsTables" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BusinessCombinationsAbstract" xlink:label="loc_us-gaap_BusinessCombinationsAbstract_875C5E11DD5057CC85DD76B8BA8A396C" xlink:type="locator" />
    <link:loc xlink:href="mg-20180630.xsd#mg_ScheduleOfBusinessCombinationAcquisitionRelatedCostsTableTextBlock" xlink:label="loc_mg_ScheduleOfBusinessCombinationAcquisitionRelatedCostsTableTextBlock_766A8A2C57855867938FB213B9DAAEF9" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessCombinationsAbstract_875C5E11DD5057CC85DD76B8BA8A396C" xlink:to="loc_mg_ScheduleOfBusinessCombinationAcquisitionRelatedCostsTableTextBlock_766A8A2C57855867938FB213B9DAAEF9" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/CommitmentsAndContingencies" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_8C0E63568F3B53C29E9A5A235560AD77" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_961D2A66F5BF5BB289F0F321AF294D80" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_8C0E63568F3B53C29E9A5A235560AD77" xlink:to="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_961D2A66F5BF5BB289F0F321AF294D80" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/CommitmentsAndContingenciesDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_FADCA9A7A4F353C3D562023546A885AE" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LossContingenciesTable" xlink:label="loc_us-gaap_LossContingenciesTable_091895F0ED91AE04470F023546A80B82" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_FADCA9A7A4F353C3D562023546A885AE" xlink:to="loc_us-gaap_LossContingenciesTable_091895F0ED91AE04470F023546A80B82" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:label="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_FA2143331BFF397CD74F023546A8777F" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesTable_091895F0ED91AE04470F023546A80B82" xlink:to="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_FA2143331BFF397CD74F023546A8777F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LossContingencyNatureDomain" xlink:label="loc_us-gaap_LossContingencyNatureDomain_C0E2E7FE5EDA1D7FE1FB023546A8BBBC" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_FA2143331BFF397CD74F023546A8777F" xlink:to="loc_us-gaap_LossContingencyNatureDomain_C0E2E7FE5EDA1D7FE1FB023546A8BBBC" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_ConsolidatedclassandcollectiveactionlawsuitMember" xlink:label="loc_mg_ConsolidatedclassandcollectiveactionlawsuitMember_184637ABF6B9F0FEDE63023546A8819A" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingencyNatureDomain_C0E2E7FE5EDA1D7FE1FB023546A8BBBC" xlink:to="loc_mg_ConsolidatedclassandcollectiveactionlawsuitMember_184637ABF6B9F0FEDE63023546A8819A" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_DisputewithformerownerofcompanysFrenchsubsidiaryMember" xlink:label="loc_mg_DisputewithformerownerofcompanysFrenchsubsidiaryMember_1A3A55289DDAB7B107D9023546A8A6CF" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingencyNatureDomain_C0E2E7FE5EDA1D7FE1FB023546A8BBBC" xlink:to="loc_mg_DisputewithformerownerofcompanysFrenchsubsidiaryMember_1A3A55289DDAB7B107D9023546A8A6CF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DamagesFromProductDefectsMember" xlink:label="loc_us-gaap_DamagesFromProductDefectsMember_2BD233F6DEDEF3A39BB5023546A85659" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingencyNatureDomain_C0E2E7FE5EDA1D7FE1FB023546A8BBBC" xlink:to="loc_us-gaap_DamagesFromProductDefectsMember_2BD233F6DEDEF3A39BB5023546A85659" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_AcquisitionRelatedContingenciesMember" xlink:label="loc_mg_AcquisitionRelatedContingenciesMember_B2EC2D8F585CDB705073023546A8EEAF" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingencyNatureDomain_C0E2E7FE5EDA1D7FE1FB023546A8BBBC" xlink:to="loc_mg_AcquisitionRelatedContingenciesMember_B2EC2D8F585CDB705073023546A8EEAF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LitigationStatusAxis" xlink:label="loc_us-gaap_LitigationStatusAxis_9FCFCDB8CA9C0F870685023546A827EB" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesTable_091895F0ED91AE04470F023546A80B82" xlink:to="loc_us-gaap_LitigationStatusAxis_9FCFCDB8CA9C0F870685023546A827EB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LitigationStatusDomain" xlink:label="loc_us-gaap_LitigationStatusDomain_78D2F6D35BAE1D8E62EE023546A829B1" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LitigationStatusAxis_9FCFCDB8CA9C0F870685023546A827EB" xlink:to="loc_us-gaap_LitigationStatusDomain_78D2F6D35BAE1D8E62EE023546A829B1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SettledLitigationMember" xlink:label="loc_us-gaap_SettledLitigationMember_A672A387E3870BCD2763023546A80402" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LitigationStatusDomain_78D2F6D35BAE1D8E62EE023546A829B1" xlink:to="loc_us-gaap_SettledLitigationMember_A672A387E3870BCD2763023546A80402" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PendingLitigationMember" xlink:label="loc_us-gaap_PendingLitigationMember_45CC1CDDDCBC494B30B6023546A84F5A" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LitigationStatusDomain_78D2F6D35BAE1D8E62EE023546A829B1" xlink:to="loc_us-gaap_PendingLitigationMember_45CC1CDDDCBC494B30B6023546A84F5A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_47AF052F3E0BE7AABB36023546A82C57" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesTable_091895F0ED91AE04470F023546A80B82" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_47AF052F3E0BE7AABB36023546A82C57" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaap_RelatedPartyDomain_B5AA3381D0C9F2683882023546A8B9E2" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_47AF052F3E0BE7AABB36023546A82C57" xlink:to="loc_us-gaap_RelatedPartyDomain_B5AA3381D0C9F2683882023546A8B9E2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AffiliatedEntityMember" xlink:label="loc_us-gaap_AffiliatedEntityMember_0BCB6CFFD5E881CB066C023546A8D4E2" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_B5AA3381D0C9F2683882023546A8B9E2" xlink:to="loc_us-gaap_AffiliatedEntityMember_0BCB6CFFD5E881CB066C023546A8D4E2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LitigationCaseAxis" xlink:label="loc_us-gaap_LitigationCaseAxis_5E6EC217A55D40480953023546A8646C" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesTable_091895F0ED91AE04470F023546A80B82" xlink:to="loc_us-gaap_LitigationCaseAxis_5E6EC217A55D40480953023546A8646C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LitigationCaseTypeDomain" xlink:label="loc_us-gaap_LitigationCaseTypeDomain_5FCA7CBBCFB131BC4071023546A81209" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LitigationCaseAxis_5E6EC217A55D40480953023546A8646C" xlink:to="loc_us-gaap_LitigationCaseTypeDomain_5FCA7CBBCFB131BC4071023546A81209" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_AGLServicesCompanyvMistrasGroupMember" xlink:label="loc_mg_AGLServicesCompanyvMistrasGroupMember_C8E026AAE96155F093ED023546A88209" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LitigationCaseTypeDomain_5FCA7CBBCFB131BC4071023546A81209" xlink:to="loc_mg_AGLServicesCompanyvMistrasGroupMember_C8E026AAE96155F093ED023546A88209" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_TriumphAerostructuresVoughtAircraftDivisionvMistrasGroupMember" xlink:label="loc_mg_TriumphAerostructuresVoughtAircraftDivisionvMistrasGroupMember_36CACAD1FA7CA6F0396A023546A87137" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LitigationCaseTypeDomain_5FCA7CBBCFB131BC4071023546A81209" xlink:to="loc_mg_TriumphAerostructuresVoughtAircraftDivisionvMistrasGroupMember_36CACAD1FA7CA6F0396A023546A87137" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductOrServiceAxis" xlink:label="loc_us-gaap_ProductOrServiceAxis_90EE42DF10E98D7684F6023546A86239" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesTable_091895F0ED91AE04470F023546A80B82" xlink:to="loc_us-gaap_ProductOrServiceAxis_90EE42DF10E98D7684F6023546A86239" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductsAndServicesDomain" xlink:label="loc_us-gaap_ProductsAndServicesDomain_344E35D774D40B2FEDF8023546A80D55" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ProductOrServiceAxis_90EE42DF10E98D7684F6023546A86239" xlink:to="loc_us-gaap_ProductsAndServicesDomain_344E35D774D40B2FEDF8023546A80D55" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_UltrasonicInspectionSystemMember" xlink:label="loc_mg_UltrasonicInspectionSystemMember_10A39152C2692EFB372F023546A83DFC" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ProductsAndServicesDomain_344E35D774D40B2FEDF8023546A80D55" xlink:to="loc_mg_UltrasonicInspectionSystemMember_10A39152C2692EFB372F023546A83DFC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LossContingenciesLineItems" xlink:label="loc_us-gaap_LossContingenciesLineItems_8D9E38B61F98C66C2680023546A8075F" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesTable_091895F0ED91AE04470F023546A80B82" xlink:to="loc_us-gaap_LossContingenciesLineItems_8D9E38B61F98C66C2680023546A8075F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LossContingencyClaimsSettledNumber" xlink:label="loc_us-gaap_LossContingencyClaimsSettledNumber_59CC7C0E89BC0B5ADFBD023546A8A448" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesLineItems_8D9E38B61F98C66C2680023546A8075F" xlink:to="loc_us-gaap_LossContingencyClaimsSettledNumber_59CC7C0E89BC0B5ADFBD023546A8A448" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LitigationSettlementExpense" xlink:label="loc_us-gaap_LitigationSettlementExpense_9818A7290A534BCA32BD023546A88790" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesLineItems_8D9E38B61F98C66C2680023546A8075F" xlink:to="loc_us-gaap_LitigationSettlementExpense_9818A7290A534BCA32BD023546A88790" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LitigationSettlementAmountAwardedToOtherParty" xlink:label="loc_us-gaap_LitigationSettlementAmountAwardedToOtherParty_18F4187084136E0C8A3C023546A83156" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesLineItems_8D9E38B61F98C66C2680023546A8075F" xlink:to="loc_us-gaap_LitigationSettlementAmountAwardedToOtherParty_18F4187084136E0C8A3C023546A83156" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LossContingencyDamagesSoughtValue" xlink:label="loc_us-gaap_LossContingencyDamagesSoughtValue_F8EBEB36AC214A33C945023546A8A4FA" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesLineItems_8D9E38B61F98C66C2680023546A8075F" xlink:to="loc_us-gaap_LossContingencyDamagesSoughtValue_F8EBEB36AC214A33C945023546A8A4FA" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_MultiemployerPlansNumberofSubsidiariesThatCouldExperienceSignificantDeclineinEmployeesCoveredbyCollectiveBargainingArrangement" xlink:label="loc_mg_MultiemployerPlansNumberofSubsidiariesThatCouldExperienceSignificantDeclineinEmployeesCoveredbyCollectiveBargainingArrangement_7A22E4F15B4B78CE3687023546A8EC6C" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesLineItems_8D9E38B61F98C66C2680023546A8075F" xlink:to="loc_mg_MultiemployerPlansNumberofSubsidiariesThatCouldExperienceSignificantDeclineinEmployeesCoveredbyCollectiveBargainingArrangement_7A22E4F15B4B78CE3687023546A8EC6C" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_MultiemployerPlansCollectiveBargainingArrangementNumberOfArrangementsWithSignificantDeclineinEmployeesCoveredExpected" xlink:label="loc_mg_MultiemployerPlansCollectiveBargainingArrangementNumberOfArrangementsWithSignificantDeclineinEmployeesCoveredExpected_E035F5E79EDCC242C03F023546A8F58A" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesLineItems_8D9E38B61F98C66C2680023546A8075F" xlink:to="loc_mg_MultiemployerPlansCollectiveBargainingArrangementNumberOfArrangementsWithSignificantDeclineinEmployeesCoveredExpected_E035F5E79EDCC242C03F023546A8F58A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueLow" xlink:label="loc_us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueLow_04EDD489A2CBCC9A5EEF023546B845BC" xlink:type="locator" />
    <link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesLineItems_8D9E38B61F98C66C2680023546A8075F" xlink:to="loc_us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueLow_04EDD489A2CBCC9A5EEF023546B845BC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh" xlink:label="loc_us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh_28A4317572542880465F023546B8314D" xlink:type="locator" />
    <link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesLineItems_8D9E38B61F98C66C2680023546A8075F" xlink:to="loc_us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh_28A4317572542880465F023546B8314D" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_BusinessCombinationContingentConsiderationRemainingPaymentPeriod" xlink:label="loc_mg_BusinessCombinationContingentConsiderationRemainingPaymentPeriod_7A0AD56C39FCCB3D1289023546B80654" xlink:type="locator" />
    <link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesLineItems_8D9E38B61F98C66C2680023546A8075F" xlink:to="loc_mg_BusinessCombinationContingentConsiderationRemainingPaymentPeriod_7A0AD56C39FCCB3D1289023546B80654" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/CondensedConsolidatedBalanceSheets" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract_EB8F4F0B5938AEE955EB023548B94180" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="loc_us-gaap_AssetsAbstract_609DCFC295A889171DA4023548BAA3F8" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_EB8F4F0B5938AEE955EB023548B94180" xlink:to="loc_us-gaap_AssetsAbstract_609DCFC295A889171DA4023548BAA3F8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="loc_us-gaap_AssetsCurrentAbstract_59DF07011BAC9C469242023548BAFC4C" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_609DCFC295A889171DA4023548BAA3F8" xlink:to="loc_us-gaap_AssetsCurrentAbstract_59DF07011BAC9C469242023548BAFC4C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_09456ED8F1B2FB61B9C5023548BA598D" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_59DF07011BAC9C469242023548BAFC4C" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_09456ED8F1B2FB61B9C5023548BA598D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ReceivablesNetCurrent" xlink:label="loc_us-gaap_ReceivablesNetCurrent_953E5ABFDF86FDE738F2023548BA6978" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_59DF07011BAC9C469242023548BAFC4C" xlink:to="loc_us-gaap_ReceivablesNetCurrent_953E5ABFDF86FDE738F2023548BA6978" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaap_InventoryNet_EE8E136C8CF87C78C8FA023548BB40FA" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_59DF07011BAC9C469242023548BAFC4C" xlink:to="loc_us-gaap_InventoryNet_EE8E136C8CF87C78C8FA023548BB40FA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_FFC6DC6D24379EA3B902023548BB1C07" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_59DF07011BAC9C469242023548BAFC4C" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_FFC6DC6D24379EA3B902023548BB1C07" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaap_AssetsCurrent_B727C7CB22BDD223D5C6023548BBFCE5" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_59DF07011BAC9C469242023548BAFC4C" xlink:to="loc_us-gaap_AssetsCurrent_B727C7CB22BDD223D5C6023548BBFCE5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_4FE8A35D6862D5256969023548BBDF38" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_609DCFC295A889171DA4023548BAA3F8" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_4FE8A35D6862D5256969023548BBDF38" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_3080C9862FFA010E9B7D023548BBE1D4" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_609DCFC295A889171DA4023548BAA3F8" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_3080C9862FFA010E9B7D023548BBE1D4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_E96660A72C0EF5744CA9023548BB3EFA" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_609DCFC295A889171DA4023548BAA3F8" xlink:to="loc_us-gaap_Goodwill_E96660A72C0EF5744CA9023548BB3EFA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredIncomeTaxAssetsNet" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_9AF25414FD9D3E0DD87E02392E95123E" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_609DCFC295A889171DA4023548BAA3F8" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_9AF25414FD9D3E0DD87E02392E95123E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_5909D0064DA6854BF7A9023548BC3801" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_609DCFC295A889171DA4023548BAA3F8" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_5909D0064DA6854BF7A9023548BC3801" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_B7AD9B5EDE7509274817023548BC20A0" xlink:type="locator" />
    <link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_609DCFC295A889171DA4023548BAA3F8" xlink:to="loc_us-gaap_Assets_B7AD9B5EDE7509274817023548BC20A0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_7FE06699644FCF27C387023548BCD118" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_EB8F4F0B5938AEE955EB023548B94180" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_7FE06699644FCF27C387023548BCD118" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract_FC7D02B6CC92CC2A3E87023548BCEBD9" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_7FE06699644FCF27C387023548BCD118" xlink:to="loc_us-gaap_LiabilitiesCurrentAbstract_FC7D02B6CC92CC2A3E87023548BCEBD9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="loc_us-gaap_AccountsPayableCurrent_FF45EFE24E9C16F80DE2023548BD86F2" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_FC7D02B6CC92CC2A3E87023548BCEBD9" xlink:to="loc_us-gaap_AccountsPayableCurrent_FF45EFE24E9C16F80DE2023548BD86F2" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_AccruedLiabilitiesDeferredRevenuesAndContingentConsiderationLiabilitiesCurrent" xlink:label="loc_mg_AccruedLiabilitiesDeferredRevenuesAndContingentConsiderationLiabilitiesCurrent_D13BA616E72F4DDD7F34023548BD4058" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_FC7D02B6CC92CC2A3E87023548BCEBD9" xlink:to="loc_mg_AccruedLiabilitiesDeferredRevenuesAndContingentConsiderationLiabilitiesCurrent_D13BA616E72F4DDD7F34023548BD4058" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="loc_us-gaap_LongTermDebtCurrent_D72A516CCA922821A763023548BD4C5E" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_FC7D02B6CC92CC2A3E87023548BCEBD9" xlink:to="loc_us-gaap_LongTermDebtCurrent_D72A516CCA922821A763023548BD4C5E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CapitalLeaseObligationsCurrent" xlink:label="loc_us-gaap_CapitalLeaseObligationsCurrent_5A987C8F9BDC3D50F82A023548BD35BA" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_FC7D02B6CC92CC2A3E87023548BCEBD9" xlink:to="loc_us-gaap_CapitalLeaseObligationsCurrent_5A987C8F9BDC3D50F82A023548BD35BA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccruedIncomeTaxesCurrent" xlink:label="loc_us-gaap_AccruedIncomeTaxesCurrent_E0EC646239B27C5D992F023548BD1782" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_FC7D02B6CC92CC2A3E87023548BCEBD9" xlink:to="loc_us-gaap_AccruedIncomeTaxesCurrent_E0EC646239B27C5D992F023548BD1782" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaap_LiabilitiesCurrent_BAB78BE41817B23B2526023548BEB127" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_FC7D02B6CC92CC2A3E87023548BCEBD9" xlink:to="loc_us-gaap_LiabilitiesCurrent_BAB78BE41817B23B2526023548BEB127" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_29575F4E702D405F3C78023548BE8703" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_7FE06699644FCF27C387023548BCD118" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_29575F4E702D405F3C78023548BE8703" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CapitalLeaseObligationsNoncurrent" xlink:label="loc_us-gaap_CapitalLeaseObligationsNoncurrent_C27F28E451653420BEDC023548BE6877" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_7FE06699644FCF27C387023548BCD118" xlink:to="loc_us-gaap_CapitalLeaseObligationsNoncurrent_C27F28E451653420BEDC023548BE6877" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_812C1DA28BC986713B2F0245CC999F8C" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_7FE06699644FCF27C387023548BCD118" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_812C1DA28BC986713B2F0245CC999F8C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_32D9EED5A1A799074FE0023548BEDDA8" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_7FE06699644FCF27C387023548BCD118" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_32D9EED5A1A799074FE0023548BEDDA8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities_544762E1E83E151036DA023548BED226" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_7FE06699644FCF27C387023548BCD118" xlink:to="loc_us-gaap_Liabilities_544762E1E83E151036DA023548BED226" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="loc_us-gaap_CommitmentsAndContingencies_75B9F045AEEDEE18A667023548BF444D" xlink:type="locator" />
    <link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_7FE06699644FCF27C387023548BCD118" xlink:to="loc_us-gaap_CommitmentsAndContingencies_75B9F045AEEDEE18A667023548BF444D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_709DF3D92FA2E8D290C5023548BF96D6" xlink:type="locator" />
    <link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_7FE06699644FCF27C387023548BCD118" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_709DF3D92FA2E8D290C5023548BF96D6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="loc_us-gaap_PreferredStockValue_968C6AE61CBAC69DE4BB023548BF6E9B" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_709DF3D92FA2E8D290C5023548BF96D6" xlink:to="loc_us-gaap_PreferredStockValue_968C6AE61CBAC69DE4BB023548BF6E9B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_us-gaap_CommonStockValue_592654DB1A9D8CBC43CE023548BFCE39" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_709DF3D92FA2E8D290C5023548BF96D6" xlink:to="loc_us-gaap_CommonStockValue_592654DB1A9D8CBC43CE023548BFCE39" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AdditionalPaidInCapital" xlink:label="loc_us-gaap_AdditionalPaidInCapital_8FD4FB5CD30F00E48E7E023548BF2324" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_709DF3D92FA2E8D290C5023548BF96D6" xlink:to="loc_us-gaap_AdditionalPaidInCapital_8FD4FB5CD30F00E48E7E023548BF2324" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_A85FC2539D5B3F101561023548C0AA3E" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_709DF3D92FA2E8D290C5023548BF96D6" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_A85FC2539D5B3F101561023548C0AA3E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_7765EF36E56F40DAAC92023548C0D089" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_709DF3D92FA2E8D290C5023548BF96D6" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_7765EF36E56F40DAAC92023548C0D089" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_EB20109BBA4C54FF61C7023548C08533" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_709DF3D92FA2E8D290C5023548BF96D6" xlink:to="loc_us-gaap_StockholdersEquity_EB20109BBA4C54FF61C7023548C08533" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MinorityInterest" xlink:label="loc_us-gaap_MinorityInterest_6207D4C931CA4665B116023548C098FF" xlink:type="locator" />
    <link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_709DF3D92FA2E8D290C5023548BF96D6" xlink:to="loc_us-gaap_MinorityInterest_6207D4C931CA4665B116023548C098FF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_16A1FB17551751AE2FE5023548C09658" xlink:type="locator" />
    <link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_709DF3D92FA2E8D290C5023548BF96D6" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_16A1FB17551751AE2FE5023548C09658" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_39F13538AC7E421A5FE0023548C17CCF" xlink:type="locator" />
    <link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_7FE06699644FCF27C387023548BCD118" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_39F13538AC7E421A5FE0023548C17CCF" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/CondensedConsolidatedBalanceSheetsParenthetical" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract_D53AA7DDE85856E0A0DC0DAA1464A69E" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized_56354F823FC25C9280DA832D4E5623F4" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_D53AA7DDE85856E0A0DC0DAA1464A69E" xlink:to="loc_us-gaap_PreferredStockSharesAuthorized_56354F823FC25C9280DA832D4E5623F4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_03ABCDC0F767524AA7F102EF4D1F8D67" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_D53AA7DDE85856E0A0DC0DAA1464A69E" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_03ABCDC0F767524AA7F102EF4D1F8D67" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_07FF17C2F49655488D40FA3DCA140686" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_D53AA7DDE85856E0A0DC0DAA1464A69E" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_07FF17C2F49655488D40FA3DCA140686" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_us-gaap_CommonStockSharesIssued_F6BCBC2B9F05528C861705DBC194FEF3" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_D53AA7DDE85856E0A0DC0DAA1464A69E" xlink:to="loc_us-gaap_CommonStockSharesIssued_F6BCBC2B9F05528C861705DBC194FEF3" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/DescriptionOfBusinessandBasisOfPresentation" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_CDA87B7C650B0DA01A58011A00FB49AF" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock_DA5739C07918920B80A3011A00FBB092" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_CDA87B7C650B0DA01A58011A00FB49AF" xlink:to="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock_DA5739C07918920B80A3011A00FBB092" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/DescriptionOfBusinessandBasisOfPresentationDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_5969422B722465F272CB023548711B02" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConcentrationRiskTable" xlink:label="loc_us-gaap_ConcentrationRiskTable_CBE5DFAAAC74898C0554023548718DDE" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_5969422B722465F272CB023548711B02" xlink:to="loc_us-gaap_ConcentrationRiskTable_CBE5DFAAAC74898C0554023548718DDE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConcentrationRiskByTypeAxis" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis_CC4BF86603D05A78A14802354872254E" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskTable_CBE5DFAAAC74898C0554023548718DDE" xlink:to="loc_us-gaap_ConcentrationRiskByTypeAxis_CC4BF86603D05A78A14802354872254E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConcentrationRiskTypeDomain" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_08D82BBD7AF443B48B30023548722AC4" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_CC4BF86603D05A78A14802354872254E" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_08D82BBD7AF443B48B30023548722AC4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CustomerConcentrationRiskMember" xlink:label="loc_us-gaap_CustomerConcentrationRiskMember_88C09862338CF3CEBDF3023548726CE4" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_08D82BBD7AF443B48B30023548722AC4" xlink:to="loc_us-gaap_CustomerConcentrationRiskMember_88C09862338CF3CEBDF3023548726CE4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_1FAE0668194AE15383F402354872D708" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskTable_CBE5DFAAAC74898C0554023548718DDE" xlink:to="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_1FAE0668194AE15383F402354872D708" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConcentrationRiskBenchmarkDomain" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_971BE9AC7104F2F8B22502354873604C" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_1FAE0668194AE15383F402354872D708" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_971BE9AC7104F2F8B22502354873604C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SalesRevenueNetMember" xlink:label="loc_us-gaap_SalesRevenueNetMember_12687DF035093D687639023548733B7B" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_971BE9AC7104F2F8B22502354873604C" xlink:to="loc_us-gaap_SalesRevenueNetMember_12687DF035093D687639023548733B7B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MajorCustomersAxis" xlink:label="loc_us-gaap_MajorCustomersAxis_924F97E870568D8F69880239C9AA77AF" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskTable_CBE5DFAAAC74898C0554023548718DDE" xlink:to="loc_us-gaap_MajorCustomersAxis_924F97E870568D8F69880239C9AA77AF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NameOfMajorCustomerDomain" xlink:label="loc_us-gaap_NameOfMajorCustomerDomain_0197F58C6CAE387946620239C9AA66E6" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorCustomersAxis_924F97E870568D8F69880239C9AA77AF" xlink:to="loc_us-gaap_NameOfMajorCustomerDomain_0197F58C6CAE387946620239C9AA66E6" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_CustomerAMember" xlink:label="loc_mg_CustomerAMember_EA1C34DB688F9D3E6FE2023A6F3737A3" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NameOfMajorCustomerDomain_0197F58C6CAE387946620239C9AA66E6" xlink:to="loc_mg_CustomerAMember_EA1C34DB688F9D3E6FE2023A6F3737A3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConcentrationRiskLineItems" xlink:label="loc_us-gaap_ConcentrationRiskLineItems_3264F2CB8DC82E3471B00235487358AC" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskTable_CBE5DFAAAC74898C0554023548718DDE" xlink:to="loc_us-gaap_ConcentrationRiskLineItems_3264F2CB8DC82E3471B00235487358AC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConcentrationRiskPercentage1" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_D770408A8449A5E8414D02354873B859" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_3264F2CB8DC82E3471B00235487358AC" xlink:to="loc_us-gaap_ConcentrationRiskPercentage1_D770408A8449A5E8414D02354873B859" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_58068F5622B24F2BFA73023548742AFC" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_3264F2CB8DC82E3471B00235487358AC" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_58068F5622B24F2BFA73023548742AFC" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_TaxCutsandJobsActMeasurementPeriodAdjustmentIncomeTaxExpenseBenefit" xlink:label="loc_mg_TaxCutsandJobsActMeasurementPeriodAdjustmentIncomeTaxExpenseBenefit_012D5DFD115B9FE6F74402354874AF36" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_3264F2CB8DC82E3471B00235487358AC" xlink:to="loc_mg_TaxCutsandJobsActMeasurementPeriodAdjustmentIncomeTaxExpenseBenefit_012D5DFD115B9FE6F74402354874AF36" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/DescriptionOfBusinessandBasisOfPresentationPolicies" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_D5B7200990CFFF12D25D012CB13B7397" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xlink:label="loc_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_A872EA49EA63BC79B0C0012CB13CE3A7" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_D5B7200990CFFF12D25D012CB13B7397" xlink:to="loc_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_A872EA49EA63BC79B0C0012CB13CE3A7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConsolidationPolicyTextBlock" xlink:label="loc_us-gaap_ConsolidationPolicyTextBlock_46400F77F5595B0E5B62012CB13CF2FC" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_D5B7200990CFFF12D25D012CB13B7397" xlink:to="loc_us-gaap_ConsolidationPolicyTextBlock_46400F77F5595B0E5B62012CB13CF2FC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PriorPeriodReclassificationAdjustmentDescription" xlink:label="loc_us-gaap_PriorPeriodReclassificationAdjustmentDescription_7B5B64F8457EBAE68282012CB13CE2AA" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_D5B7200990CFFF12D25D012CB13B7397" xlink:to="loc_us-gaap_PriorPeriodReclassificationAdjustmentDescription_7B5B64F8457EBAE68282012CB13CE2AA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxPolicyTextBlock" xlink:label="loc_us-gaap_IncomeTaxPolicyTextBlock_F5DCF74D0BB214B088B3012CB13DF09C" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_D5B7200990CFFF12D25D012CB13B7397" xlink:to="loc_us-gaap_IncomeTaxPolicyTextBlock_F5DCF74D0BB214B088B3012CB13DF09C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:label="loc_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_1FBD45069F76B4C006E5012CB13DBBAB" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_D5B7200990CFFF12D25D012CB13B7397" xlink:to="loc_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_1FBD45069F76B4C006E5012CB13DBBAB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevenueRecognitionPolicyTextBlock" xlink:label="loc_us-gaap_RevenueRecognitionPolicyTextBlock_737049DDB409D28E7FDF012CB13E9B35" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_D5B7200990CFFF12D25D012CB13B7397" xlink:to="loc_us-gaap_RevenueRecognitionPolicyTextBlock_737049DDB409D28E7FDF012CB13E9B35" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueMeasurementPolicyPolicyTextBlock" xlink:label="loc_us-gaap_FairValueMeasurementPolicyPolicyTextBlock_D7AA0FE9EF0672E5C216012CB13E7DD6" xlink:type="locator" />
    <link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_D5B7200990CFFF12D25D012CB13B7397" xlink:to="loc_us-gaap_FairValueMeasurementPolicyPolicyTextBlock_D7AA0FE9EF0672E5C216012CB13E7DD6" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/DocumentAndEntityInformation" xlink:type="extended">
    <link:loc xlink:href="mg-20180630.xsd#mg_DocumentAndEntityInformationAbstract" xlink:label="loc_mg_DocumentAndEntityInformationAbstract_ACBAA45B9F30587D8EC99EA962E87945" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityRegistrantName" xlink:label="loc_dei_EntityRegistrantName_576B6F8B73645A7BBAB2388EC066F222" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mg_DocumentAndEntityInformationAbstract_ACBAA45B9F30587D8EC99EA962E87945" xlink:to="loc_dei_EntityRegistrantName_576B6F8B73645A7BBAB2388EC066F222" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="loc_dei_EntityCentralIndexKey_86D5818E9D315CDE838CF01B23EC4A68" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mg_DocumentAndEntityInformationAbstract_ACBAA45B9F30587D8EC99EA962E87945" xlink:to="loc_dei_EntityCentralIndexKey_86D5818E9D315CDE838CF01B23EC4A68" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentType" xlink:label="loc_dei_DocumentType_A724F30EF33B5C789ED7AE0B3899252D" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mg_DocumentAndEntityInformationAbstract_ACBAA45B9F30587D8EC99EA962E87945" xlink:to="loc_dei_DocumentType_A724F30EF33B5C789ED7AE0B3899252D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="loc_dei_DocumentPeriodEndDate_4E7B96ED493853C7ABF9F5D1043AEA80" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mg_DocumentAndEntityInformationAbstract_ACBAA45B9F30587D8EC99EA962E87945" xlink:to="loc_dei_DocumentPeriodEndDate_4E7B96ED493853C7ABF9F5D1043AEA80" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_AmendmentFlag" xlink:label="loc_dei_AmendmentFlag_126F2E7C846C53B683402C51E85ECD12" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mg_DocumentAndEntityInformationAbstract_ACBAA45B9F30587D8EC99EA962E87945" xlink:to="loc_dei_AmendmentFlag_126F2E7C846C53B683402C51E85ECD12" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="loc_dei_CurrentFiscalYearEndDate_B03E367EBC505A79B17E0ABC77464E8B" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mg_DocumentAndEntityInformationAbstract_ACBAA45B9F30587D8EC99EA962E87945" xlink:to="loc_dei_CurrentFiscalYearEndDate_B03E367EBC505A79B17E0ABC77464E8B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCurrentReportingStatus" xlink:label="loc_dei_EntityCurrentReportingStatus_934CCCBA224157B791E873E7D84D07BE" xlink:type="locator" />
    <link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mg_DocumentAndEntityInformationAbstract_ACBAA45B9F30587D8EC99EA962E87945" xlink:to="loc_dei_EntityCurrentReportingStatus_934CCCBA224157B791E873E7D84D07BE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityFilerCategory" xlink:label="loc_dei_EntityFilerCategory_353D9E6E146A5919BBF49893BEB298B0" xlink:type="locator" />
    <link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mg_DocumentAndEntityInformationAbstract_ACBAA45B9F30587D8EC99EA962E87945" xlink:to="loc_dei_EntityFilerCategory_353D9E6E146A5919BBF49893BEB298B0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_09F7582421BB5A75B7CB58DF43176403" xlink:type="locator" />
    <link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mg_DocumentAndEntityInformationAbstract_ACBAA45B9F30587D8EC99EA962E87945" xlink:to="loc_dei_EntityCommonStockSharesOutstanding_09F7582421BB5A75B7CB58DF43176403" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="loc_dei_DocumentFiscalYearFocus_4246CBFA3BFD5C819DE064E653DDA4A9" xlink:type="locator" />
    <link:presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mg_DocumentAndEntityInformationAbstract_ACBAA45B9F30587D8EC99EA962E87945" xlink:to="loc_dei_DocumentFiscalYearFocus_4246CBFA3BFD5C819DE064E653DDA4A9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="loc_dei_DocumentFiscalPeriodFocus_00DD7E7D822F5E1696AE9CFB71A0622C" xlink:type="locator" />
    <link:presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mg_DocumentAndEntityInformationAbstract_ACBAA45B9F30587D8EC99EA962E87945" xlink:to="loc_dei_DocumentFiscalPeriodFocus_00DD7E7D822F5E1696AE9CFB71A0622C" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/EarningsPerShare" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="loc_us-gaap_EarningsPerShareAbstract_476B7D6A52915ACCA6DFD81064A9C2DE" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareTextBlock" xlink:label="loc_us-gaap_EarningsPerShareTextBlock_A5689544CB7358258CE17A6265E5630F" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_476B7D6A52915ACCA6DFD81064A9C2DE" xlink:to="loc_us-gaap_EarningsPerShareTextBlock_A5689544CB7358258CE17A6265E5630F" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/EarningsPerShareDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="loc_us-gaap_EarningsPerShareAbstract_6BC09F58443E834A05ECC85EC17D7927" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareBasicAbstract" xlink:label="loc_us-gaap_EarningsPerShareBasicAbstract_E032C6FA9FF1A21C632BC85EC17DB211" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_6BC09F58443E834A05ECC85EC17D7927" xlink:to="loc_us-gaap_EarningsPerShareBasicAbstract_E032C6FA9FF1A21C632BC85EC17DB211" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetIncomeLossAbstract" xlink:label="loc_us-gaap_NetIncomeLossAbstract_F595D29EB36E038AC3F3C85EC17D3D44" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareBasicAbstract_E032C6FA9FF1A21C632BC85EC17DB211" xlink:to="loc_us-gaap_NetIncomeLossAbstract_F595D29EB36E038AC3F3C85EC17D3D44" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_5748405A65BD057229F4C85EC17D22D9" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetIncomeLossAbstract_F595D29EB36E038AC3F3C85EC17D3D44" xlink:to="loc_us-gaap_NetIncomeLoss_5748405A65BD057229F4C85EC17D22D9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract_BEC5D3264603E3B44B5DC85EC17D2FE6" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareBasicAbstract_E032C6FA9FF1A21C632BC85EC17DB211" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract_BEC5D3264603E3B44B5DC85EC17D2FE6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_E14DA29EBE7FC1228F01C85EC17D2C78" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract_BEC5D3264603E3B44B5DC85EC17D2FE6" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_E14DA29EBE7FC1228F01C85EC17D2C78" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsPerBasicShare" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_63A94A832ABCC6908114C85EC17D9EB2" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareBasicAbstract_E032C6FA9FF1A21C632BC85EC17DB211" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_63A94A832ABCC6908114C85EC17D9EB2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareDilutedAbstract" xlink:label="loc_us-gaap_EarningsPerShareDilutedAbstract_AD19DDBBAAD4ADE68B34C85EC17D55E0" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_6BC09F58443E834A05ECC85EC17D7927" xlink:to="loc_us-gaap_EarningsPerShareDilutedAbstract_AD19DDBBAAD4ADE68B34C85EC17D55E0" xlink:type="arc" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareDilutedAbstract_AD19DDBBAAD4ADE68B34C85EC17D55E0" xlink:to="loc_us-gaap_NetIncomeLossAbstract_F595D29EB36E038AC3F3C85EC17D3D44" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_3CDD0459536E79EA7AC6C85EC17D1BEE" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareDilutedAbstract_AD19DDBBAAD4ADE68B34C85EC17D55E0" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_3CDD0459536E79EA7AC6C85EC17D1BEE" xlink:type="arc" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_3CDD0459536E79EA7AC6C85EC17D1BEE" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_E14DA29EBE7FC1228F01C85EC17D2C78" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_IncrementalCommonSharesAttributableToStockOptionsOutstanding" xlink:label="loc_mg_IncrementalCommonSharesAttributableToStockOptionsOutstanding_1570D6551DBABEDAFADCC85EC17DD10E" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_3CDD0459536E79EA7AC6C85EC17D1BEE" xlink:to="loc_mg_IncrementalCommonSharesAttributableToStockOptionsOutstanding_1570D6551DBABEDAFADCC85EC17DD10E" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_IncrementalCommonSharesAttributableToRestrictedStockUnitsOutstanding" xlink:label="loc_mg_IncrementalCommonSharesAttributableToRestrictedStockUnitsOutstanding_C9E5C893BF5DB6BA2D32C85EC17DA2F5" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_3CDD0459536E79EA7AC6C85EC17D1BEE" xlink:to="loc_mg_IncrementalCommonSharesAttributableToRestrictedStockUnitsOutstanding_C9E5C893BF5DB6BA2D32C85EC17DA2F5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_CA6A905EFC92FE2701DBC85EC17D8417" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_3CDD0459536E79EA7AC6C85EC17D1BEE" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_CA6A905EFC92FE2701DBC85EC17D8417" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_41F61A43A448E526BB65C85EC17DC59E" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareDilutedAbstract_AD19DDBBAAD4ADE68B34C85EC17D55E0" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_41F61A43A448E526BB65C85EC17DC59E" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/EarningsPerShareTables" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="loc_us-gaap_EarningsPerShareAbstract_4051201DDD075BC383069B86EA77C0F5" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_6D2CBE4C93F65EBA80E0E1923857F4D8" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_4051201DDD075BC383069B86EA77C0F5" xlink:to="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_6D2CBE4C93F65EBA80E0E1923857F4D8" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/FairValueMeasurements" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_99710779E390519C8251A93A935F50BE" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueDisclosuresTextBlock" xlink:label="loc_us-gaap_FairValueDisclosuresTextBlock_7474D5BEE84850909A5200F60BBA02FA" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_99710779E390519C8251A93A935F50BE" xlink:to="loc_us-gaap_FairValueDisclosuresTextBlock_7474D5BEE84850909A5200F60BBA02FA" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/FairValueMeasurementsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_8BB008BBF570FB1C1FA4019523D98438" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_4C427A31EF384035FD34019523D9DE0D" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_8BB008BBF570FB1C1FA4019523D98438" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_4C427A31EF384035FD34019523D9DE0D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_206E92BC7AE5BF305DAA019523D9408C" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_4C427A31EF384035FD34019523D9DE0D" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_206E92BC7AE5BF305DAA019523D9408C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_7A50A5BC744665072759019523D9C25B" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_206E92BC7AE5BF305DAA019523D9408C" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_7A50A5BC744665072759019523D9C25B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_39566737409444FB8299019523D9376E" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_7A50A5BC744665072759019523D9C25B" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_39566737409444FB8299019523D9376E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_A6A44BF6FA12F5DD3383019523D98154" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_4C427A31EF384035FD34019523D9DE0D" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_A6A44BF6FA12F5DD3383019523D98154" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesFairValueDisclosureAbstract" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract_46FACBC99F479626E1C5019523D92BBC" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_A6A44BF6FA12F5DD3383019523D98154" xlink:to="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract_46FACBC99F479626E1C5019523D92BBC" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_ContingentConsiderationLiabilityRollForward" xlink:label="loc_mg_ContingentConsiderationLiabilityRollForward_6DCCE99771AD5F7A4F81019523D9ACCF" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract_46FACBC99F479626E1C5019523D92BBC" xlink:to="loc_mg_ContingentConsiderationLiabilityRollForward_6DCCE99771AD5F7A4F81019523D9ACCF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BusinessCombinationContingentConsiderationLiability" xlink:label="loc_us-gaap_BusinessCombinationContingentConsiderationLiability_6A60E5CDE0BDBFBC1B5E019523D99DAF" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mg_ContingentConsiderationLiabilityRollForward_6DCCE99771AD5F7A4F81019523D9ACCF" xlink:to="loc_us-gaap_BusinessCombinationContingentConsiderationLiability_6A60E5CDE0BDBFBC1B5E019523D99DAF" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_BusinessCombinationContingentConsiderationArrangementsAcquisitions" xlink:label="loc_mg_BusinessCombinationContingentConsiderationArrangementsAcquisitions_BBDF50140EFB8E7C4460019523D9867C" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mg_ContingentConsiderationLiabilityRollForward_6DCCE99771AD5F7A4F81019523D9ACCF" xlink:to="loc_mg_BusinessCombinationContingentConsiderationArrangementsAcquisitions_BBDF50140EFB8E7C4460019523D9867C" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_BusinessCombinationContingentConsiderationArrangementsPayments" xlink:label="loc_mg_BusinessCombinationContingentConsiderationArrangementsPayments_77D04E6E2A1CA6FC23CC019523D93134" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mg_ContingentConsiderationLiabilityRollForward_6DCCE99771AD5F7A4F81019523D9ACCF" xlink:to="loc_mg_BusinessCombinationContingentConsiderationArrangementsPayments_77D04E6E2A1CA6FC23CC019523D93134" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_BusinessCombinationContingentConsiderationArrangementsContingentConsiderationAccretionofLiability" xlink:label="loc_mg_BusinessCombinationContingentConsiderationArrangementsContingentConsiderationAccretionofLiability_D416ADECD0EEA194BC44019523D9C767" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mg_ContingentConsiderationLiabilityRollForward_6DCCE99771AD5F7A4F81019523D9ACCF" xlink:to="loc_mg_BusinessCombinationContingentConsiderationArrangementsContingentConsiderationAccretionofLiability_D416ADECD0EEA194BC44019523D9C767" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1" xlink:label="loc_us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1_CCC4AEF18E19F4FA9796019523D977A1" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mg_ContingentConsiderationLiabilityRollForward_6DCCE99771AD5F7A4F81019523D9ACCF" xlink:to="loc_us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1_CCC4AEF18E19F4FA9796019523D977A1" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_BusinessCombinationContingentConsiderationArrangementsContingentConsiderationForeignCurrencyTranslationAdjustments" xlink:label="loc_mg_BusinessCombinationContingentConsiderationArrangementsContingentConsiderationForeignCurrencyTranslationAdjustments_AF5A3F2273FCCDBAA659019523D9B6BF" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mg_ContingentConsiderationLiabilityRollForward_6DCCE99771AD5F7A4F81019523D9ACCF" xlink:to="loc_mg_BusinessCombinationContingentConsiderationArrangementsContingentConsiderationForeignCurrencyTranslationAdjustments_AF5A3F2273FCCDBAA659019523D9B6BF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BusinessCombinationContingentConsiderationLiability" xlink:label="loc_us-gaap_BusinessCombinationContingentConsiderationLiability_6F2B6BEE61420B01336F019523E924D1" xlink:type="locator" />
    <link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mg_ContingentConsiderationLiabilityRollForward_6DCCE99771AD5F7A4F81019523D9ACCF" xlink:to="loc_us-gaap_BusinessCombinationContingentConsiderationLiability_6F2B6BEE61420B01336F019523E924D1" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/FairValueMeasurementsTables" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_0423840F3B9A5F30B8330399C159F45C" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisTextBlock" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisTextBlock_2EF786344F2A5F9DA8E43D6BAF0BAAF1" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_0423840F3B9A5F30B8330399C159F45C" xlink:to="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisTextBlock_2EF786344F2A5F9DA8E43D6BAF0BAAF1" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/Goodwill" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_7867F14BBA8959B3B6AA4CBDC9474FFD" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GoodwillDisclosureTextBlock" xlink:label="loc_us-gaap_GoodwillDisclosureTextBlock_B0423B82F94252F4B3B0784AED1E26FD" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_7867F14BBA8959B3B6AA4CBDC9474FFD" xlink:to="loc_us-gaap_GoodwillDisclosureTextBlock_B0423B82F94252F4B3B0784AED1E26FD" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/GoodwillAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_8DC9B0C26A3BE9A53AB8E1FD84693179" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfGoodwillTable" xlink:label="loc_us-gaap_ScheduleOfGoodwillTable_4AC6BF3172844A324FADE1FD84697B08" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_8DC9B0C26A3BE9A53AB8E1FD84693179" xlink:to="loc_us-gaap_ScheduleOfGoodwillTable_4AC6BF3172844A324FADE1FD84697B08" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_46B4FD9C7C1D2CD11958E1FD8469DE82" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_4AC6BF3172844A324FADE1FD84697B08" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_46B4FD9C7C1D2CD11958E1FD8469DE82" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_0836558D3932E02EC627E1FD84692EC7" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_46B4FD9C7C1D2CD11958E1FD8469DE82" xlink:to="loc_us-gaap_SegmentDomain_0836558D3932E02EC627E1FD84692EC7" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_ProductsandSystemsMember" xlink:label="loc_mg_ProductsandSystemsMember_C81DB8A544278201A56DE1FD8469EF50" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_0836558D3932E02EC627E1FD84692EC7" xlink:to="loc_mg_ProductsandSystemsMember_C81DB8A544278201A56DE1FD8469EF50" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_InternationalMember" xlink:label="loc_mg_InternationalMember_06C2ECDCD8ED33700179E1FD8469D5CD" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_0836558D3932E02EC627E1FD84692EC7" xlink:to="loc_mg_InternationalMember_06C2ECDCD8ED33700179E1FD8469D5CD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GoodwillLineItems" xlink:label="loc_us-gaap_GoodwillLineItems_88CB64BB620C639CAD41E1FD8469CA68" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_4AC6BF3172844A324FADE1FD84697B08" xlink:to="loc_us-gaap_GoodwillLineItems_88CB64BB620C639CAD41E1FD8469CA68" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GoodwillImpairedAccumulatedImpairmentLoss" xlink:label="loc_us-gaap_GoodwillImpairedAccumulatedImpairmentLoss_B27BAE7E154145E52775E1FD8469DD5D" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillLineItems_88CB64BB620C639CAD41E1FD8469CA68" xlink:to="loc_us-gaap_GoodwillImpairedAccumulatedImpairmentLoss_B27BAE7E154145E52775E1FD8469DD5D" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/GoodwillDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_D0A772A96DC1CAF83936898241FA16FD" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfGoodwillTable" xlink:label="loc_us-gaap_ScheduleOfGoodwillTable_C5248189C240CC34794B898241FA9490" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_D0A772A96DC1CAF83936898241FA16FD" xlink:to="loc_us-gaap_ScheduleOfGoodwillTable_C5248189C240CC34794B898241FA9490" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_6506F296BE55EEACA125898241FA519B" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_C5248189C240CC34794B898241FA9490" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_6506F296BE55EEACA125898241FA519B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_5A459B2A01F77495187F898241FA3E66" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_6506F296BE55EEACA125898241FA519B" xlink:to="loc_us-gaap_SegmentDomain_5A459B2A01F77495187F898241FA3E66" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_ServicesMember" xlink:label="loc_mg_ServicesMember_97BE8F6B91E4360A583B898241FAEE9F" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_5A459B2A01F77495187F898241FA3E66" xlink:to="loc_mg_ServicesMember_97BE8F6B91E4360A583B898241FAEE9F" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_InternationalMember" xlink:label="loc_mg_InternationalMember_F9DAB0CCC0479C176841898241FAB213" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_5A459B2A01F77495187F898241FA3E66" xlink:to="loc_mg_InternationalMember_F9DAB0CCC0479C176841898241FAB213" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_ProductsandSystemsMember" xlink:label="loc_mg_ProductsandSystemsMember_7E05B54D72628ED66712898241FAD39B" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_5A459B2A01F77495187F898241FA3E66" xlink:to="loc_mg_ProductsandSystemsMember_7E05B54D72628ED66712898241FAD39B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GoodwillLineItems" xlink:label="loc_us-gaap_GoodwillLineItems_D22B2C2A616F29F0725A898241FA8580" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_C5248189C240CC34794B898241FA9490" xlink:to="loc_us-gaap_GoodwillLineItems_D22B2C2A616F29F0725A898241FA8580" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GoodwillRollForward" xlink:label="loc_us-gaap_GoodwillRollForward_DA40444E08AF465721C7898241FA5F73" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillLineItems_D22B2C2A616F29F0725A898241FA8580" xlink:to="loc_us-gaap_GoodwillRollForward_DA40444E08AF465721C7898241FA5F73" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_76C8F1F9541CCEB2264D898241FA3455" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillRollForward_DA40444E08AF465721C7898241FA5F73" xlink:to="loc_us-gaap_Goodwill_76C8F1F9541CCEB2264D898241FA3455" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GoodwillAcquiredDuringPeriod" xlink:label="loc_us-gaap_GoodwillAcquiredDuringPeriod_52A686AB41533530B57C898241FA3FFC" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillRollForward_DA40444E08AF465721C7898241FA5F73" xlink:to="loc_us-gaap_GoodwillAcquiredDuringPeriod_52A686AB41533530B57C898241FA3FFC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GoodwillPurchaseAccountingAdjustments" xlink:label="loc_us-gaap_GoodwillPurchaseAccountingAdjustments_5255E24D11089E351F6A898241FB0D49" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillRollForward_DA40444E08AF465721C7898241FA5F73" xlink:to="loc_us-gaap_GoodwillPurchaseAccountingAdjustments_5255E24D11089E351F6A898241FB0D49" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GoodwillForeignCurrencyTranslationGainLoss" xlink:label="loc_us-gaap_GoodwillForeignCurrencyTranslationGainLoss_81C436CC1F34854DE0B5898241FB2C47" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillRollForward_DA40444E08AF465721C7898241FA5F73" xlink:to="loc_us-gaap_GoodwillForeignCurrencyTranslationGainLoss_81C436CC1F34854DE0B5898241FB2C47" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_D476219168543E080A87898241FBB9A1" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillRollForward_DA40444E08AF465721C7898241FA5F73" xlink:to="loc_us-gaap_Goodwill_D476219168543E080A87898241FBB9A1" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/GoodwillTables" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_DB66564516DC5FB8BC4F331075EAE095" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfGoodwillTextBlock" xlink:label="loc_us-gaap_ScheduleOfGoodwillTextBlock_0EDC3B281BC15669A76D09D4E91CB857" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_DB66564516DC5FB8BC4F331075EAE095" xlink:to="loc_us-gaap_ScheduleOfGoodwillTextBlock_0EDC3B281BC15669A76D09D4E91CB857" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/IntangibleAssets" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwillAbstract" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwillAbstract_62F923941A45581D832525E1B5D108E1" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IntangibleAssetsDisclosureTextBlock" xlink:label="loc_us-gaap_IntangibleAssetsDisclosureTextBlock_C89E80C6286451F88D3AE64247791563" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwillAbstract_62F923941A45581D832525E1B5D108E1" xlink:to="loc_us-gaap_IntangibleAssetsDisclosureTextBlock_C89E80C6286451F88D3AE64247791563" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/IntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwillAbstract" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwillAbstract_594AA25A6B49F9F61D5B803182F7DBE0" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_E2F8623030EDBB51604E803182F7B631" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwillAbstract_594AA25A6B49F9F61D5B803182F7DBE0" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_E2F8623030EDBB51604E803182F7B631" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_5517DA13EC5EC27E2EF5803182F73272" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_E2F8623030EDBB51604E803182F7B631" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_5517DA13EC5EC27E2EF5803182F73272" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_4CAE997FDA40EED5DE71803182F78F9C" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_5517DA13EC5EC27E2EF5803182F73272" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_4CAE997FDA40EED5DE71803182F78F9C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CustomerRelationshipsMember" xlink:label="loc_us-gaap_CustomerRelationshipsMember_C4D9FBF89D31428BBE97803182F7008D" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_4CAE997FDA40EED5DE71803182F78F9C" xlink:to="loc_us-gaap_CustomerRelationshipsMember_C4D9FBF89D31428BBE97803182F7008D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ComputerSoftwareIntangibleAssetMember" xlink:label="loc_us-gaap_ComputerSoftwareIntangibleAssetMember_C6945FEC39B39AE0CCBE803182F7191A" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_4CAE997FDA40EED5DE71803182F78F9C" xlink:to="loc_us-gaap_ComputerSoftwareIntangibleAssetMember_C6945FEC39B39AE0CCBE803182F7191A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NoncompeteAgreementsMember" xlink:label="loc_us-gaap_NoncompeteAgreementsMember_AD953009001BC12FC4E9803182F727CB" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_4CAE997FDA40EED5DE71803182F78F9C" xlink:to="loc_us-gaap_NoncompeteAgreementsMember_AD953009001BC12FC4E9803182F727CB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherIntangibleAssetsMember" xlink:label="loc_us-gaap_OtherIntangibleAssetsMember_042C1E2080819D7E21B6803182F7E746" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_4CAE997FDA40EED5DE71803182F78F9C" xlink:to="loc_us-gaap_OtherIntangibleAssetsMember_042C1E2080819D7E21B6803182F7E746" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_DFF1309A5B148F741A52803182F7D88D" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_E2F8623030EDBB51604E803182F7B631" xlink:to="loc_us-gaap_RangeAxis_DFF1309A5B148F741A52803182F7D88D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_1742B009C979DBC0FA0F803182F7EDBC" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RangeAxis_DFF1309A5B148F741A52803182F7D88D" xlink:to="loc_us-gaap_RangeMember_1742B009C979DBC0FA0F803182F7EDBC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_754B032E749C7A5E395A803182F7D9C7" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RangeMember_1742B009C979DBC0FA0F803182F7EDBC" xlink:to="loc_us-gaap_MinimumMember_754B032E749C7A5E395A803182F7D9C7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_7A4E282012C6178A34E4803182F79C80" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RangeMember_1742B009C979DBC0FA0F803182F7EDBC" xlink:to="loc_us-gaap_MaximumMember_7A4E282012C6178A34E4803182F79C80" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_376747870F2742A2F6E9803182F7A1A3" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_E2F8623030EDBB51604E803182F7B631" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_376747870F2742A2F6E9803182F7A1A3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_E6414331773305DC32EF803182F72B92" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_376747870F2742A2F6E9803182F7A1A3" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_E6414331773305DC32EF803182F72B92" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_6C8A413D5DA9365F1612803182F7284D" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_376747870F2742A2F6E9803182F7A1A3" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_6C8A413D5DA9365F1612803182F7284D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_54907639595F30EBB4BD803182F77459" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_376747870F2742A2F6E9803182F7A1A3" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_54907639595F30EBB4BD803182F77459" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_FiniteLivedIntangibleAssetsImpairedAccumulatedImpairmentLoss" xlink:label="loc_mg_FiniteLivedIntangibleAssetsImpairedAccumulatedImpairmentLoss_73C856189424BBBE3D27803182F7D77C" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_376747870F2742A2F6E9803182F7A1A3" xlink:to="loc_mg_FiniteLivedIntangibleAssetsImpairedAccumulatedImpairmentLoss_73C856189424BBBE3D27803182F7D77C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_17188D01760D8EB13C52803182F7697D" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_376747870F2742A2F6E9803182F7A1A3" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_17188D01760D8EB13C52803182F7697D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_CF140A5661FE4DE39B208033D8053136" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_376747870F2742A2F6E9803182F7A1A3" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_CF140A5661FE4DE39B208033D8053136" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/IntangibleAssetsTables" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwillAbstract" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwillAbstract_1051083282C1548CBE866300D205A181" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_93AEDF63B2285CE09DD59659575A6CB7" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwillAbstract_1051083282C1548CBE866300D205A181" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_93AEDF63B2285CE09DD59659575A6CB7" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/LongTermDebt" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtDisclosureAbstract" xlink:label="loc_us-gaap_DebtDisclosureAbstract_11497524BF905396906B0ABB0B9B7447" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebtTextBlock" xlink:label="loc_us-gaap_LongTermDebtTextBlock_E227A3B7D3F6521DBF33D1D663527C44" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_11497524BF905396906B0ABB0B9B7447" xlink:to="loc_us-gaap_LongTermDebtTextBlock_E227A3B7D3F6521DBF33D1D663527C44" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/LongTermDebtAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtDisclosureAbstract" xlink:label="loc_us-gaap_DebtDisclosureAbstract_019093713E10B323461CE1FD842A3D0F" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_5A7F522147B77BE393A7E1FD842ADA5A" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_019093713E10B323461CE1FD842A3D0F" xlink:to="loc_us-gaap_DebtInstrumentTable_5A7F522147B77BE393A7E1FD842ADA5A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_F85DC9DB8F0D999D0693E1FD842A55CC" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_5A7F522147B77BE393A7E1FD842ADA5A" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_F85DC9DB8F0D999D0693E1FD842A55CC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_60FBE42512DD7371F172E1FD842A51E5" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_F85DC9DB8F0D999D0693E1FD842A55CC" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_60FBE42512DD7371F172E1FD842A51E5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevolvingCreditFacilityMember" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_54CFB202551C9DA96C02E1FD842AC5C6" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_60FBE42512DD7371F172E1FD842A51E5" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_54CFB202551C9DA96C02E1FD842AC5C6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NotesPayableOtherPayablesMember" xlink:label="loc_us-gaap_NotesPayableOtherPayablesMember_48DF2C4CBE1AEA6A3D20E1FD842AA04E" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_60FBE42512DD7371F172E1FD842A51E5" xlink:to="loc_us-gaap_NotesPayableOtherPayablesMember_48DF2C4CBE1AEA6A3D20E1FD842AA04E" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_OtherLongTermDebtMember" xlink:label="loc_mg_OtherLongTermDebtMember_AB79B91D7027F67EA470E1FD842A2466" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_60FBE42512DD7371F172E1FD842A51E5" xlink:to="loc_mg_OtherLongTermDebtMember_AB79B91D7027F67EA470E1FD842A2466" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_VariableRateAxis" xlink:label="loc_us-gaap_VariableRateAxis_9AD15A6BC39433DBE383E1FD842A08DC" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_5A7F522147B77BE393A7E1FD842ADA5A" xlink:to="loc_us-gaap_VariableRateAxis_9AD15A6BC39433DBE383E1FD842A08DC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_C5A7CAA8A889E26D01DBE1FD842AC120" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableRateAxis_9AD15A6BC39433DBE383E1FD842A08DC" xlink:to="loc_us-gaap_VariableRateDomain_C5A7CAA8A889E26D01DBE1FD842AC120" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LondonInterbankOfferedRateLIBORMember" xlink:label="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_592E92030CFDBDAA2A83E1FD842AA3F4" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableRateDomain_C5A7CAA8A889E26D01DBE1FD842AC120" xlink:to="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_592E92030CFDBDAA2A83E1FD842AA3F4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BaseRateMember" xlink:label="loc_us-gaap_BaseRateMember_256815DDFB5E25C44EF9E1FD842AEF8C" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableRateDomain_C5A7CAA8A889E26D01DBE1FD842AC120" xlink:to="loc_us-gaap_BaseRateMember_256815DDFB5E25C44EF9E1FD842AEF8C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_634283427BEB46A1C443E1FD842A1144" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_5A7F522147B77BE393A7E1FD842ADA5A" xlink:to="loc_us-gaap_RangeAxis_634283427BEB46A1C443E1FD842A1144" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_A430D1AFEDD413C22B0FE1FD842A22D4" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RangeAxis_634283427BEB46A1C443E1FD842A1144" xlink:to="loc_us-gaap_RangeMember_A430D1AFEDD413C22B0FE1FD842A22D4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_D78C1048148848177231E1FD842A8B7D" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RangeMember_A430D1AFEDD413C22B0FE1FD842A22D4" xlink:to="loc_us-gaap_MinimumMember_D78C1048148848177231E1FD842A8B7D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_F4AC640978EBDB1A74CCE1FD842AC875" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RangeMember_A430D1AFEDD413C22B0FE1FD842A22D4" xlink:to="loc_us-gaap_MaximumMember_F4AC640978EBDB1A74CCE1FD842AC875" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_D557ED911B2A34BEE9A3E1FD842A15AD" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_5A7F522147B77BE393A7E1FD842ADA5A" xlink:to="loc_us-gaap_DebtInstrumentLineItems_D557ED911B2A34BEE9A3E1FD842A15AD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityAbstract" xlink:label="loc_us-gaap_LineOfCreditFacilityAbstract_836F8771992BA05F81F9E1FD842A2A04" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_D557ED911B2A34BEE9A3E1FD842A15AD" xlink:to="loc_us-gaap_LineOfCreditFacilityAbstract_836F8771992BA05F81F9E1FD842A2A04" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_67178299039B3A38B07FE1FD842AC4CF" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityAbstract_836F8771992BA05F81F9E1FD842A2A04" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_67178299039B3A38B07FE1FD842AC4CF" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_LineOfCreditFacilityAccordionFeatureHigherBorrowingCapacityOption" xlink:label="loc_mg_LineOfCreditFacilityAccordionFeatureHigherBorrowingCapacityOption_A640BB5FB17535D6D77FE1FD842A1319" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityAbstract_836F8771992BA05F81F9E1FD842A2A04" xlink:to="loc_mg_LineOfCreditFacilityAccordionFeatureHigherBorrowingCapacityOption_A640BB5FB17535D6D77FE1FD842A1319" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_LineOfCreditFacilityMaximumBorrowingCapacityInNonUSCurrencies" xlink:label="loc_mg_LineOfCreditFacilityMaximumBorrowingCapacityInNonUSCurrencies_B2A1707617DC3E84107BE1FD842AE46C" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityAbstract_836F8771992BA05F81F9E1FD842A2A04" xlink:to="loc_mg_LineOfCreditFacilityMaximumBorrowingCapacityInNonUSCurrencies_B2A1707617DC3E84107BE1FD842AE46C" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_LineOfCreditFacilityMaximumBorrowingCapacityAvailableForIssuanceOfLettersOfCredit" xlink:label="loc_mg_LineOfCreditFacilityMaximumBorrowingCapacityAvailableForIssuanceOfLettersOfCredit_1B46AFB80F04D9FC93D9E1FD842A8B86" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityAbstract_836F8771992BA05F81F9E1FD842A2A04" xlink:to="loc_mg_LineOfCreditFacilityMaximumBorrowingCapacityAvailableForIssuanceOfLettersOfCredit_1B46AFB80F04D9FC93D9E1FD842A8B86" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCredit" xlink:label="loc_us-gaap_LineOfCredit_073AB94B513AAF9D10CCE1FD842A0F44" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityAbstract_836F8771992BA05F81F9E1FD842A2A04" xlink:to="loc_us-gaap_LineOfCredit_073AB94B513AAF9D10CCE1FD842A0F44" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LettersOfCreditOutstandingAmount" xlink:label="loc_us-gaap_LettersOfCreditOutstandingAmount_88A3EEFB90A6B4451AECE1FD842A0803" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityAbstract_836F8771992BA05F81F9E1FD842A2A04" xlink:to="loc_us-gaap_LettersOfCreditOutstandingAmount_88A3EEFB90A6B4451AECE1FD842A0803" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentDescriptionOfVariableRateBasis" xlink:label="loc_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_51DE91A3F5B180E4B5CBE1FD842ADEA4" xlink:type="locator" />
    <link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityAbstract_836F8771992BA05F81F9E1FD842A2A04" xlink:to="loc_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_51DE91A3F5B180E4B5CBE1FD842ADEA4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_B004F054D29010431AF8E1FD842A611C" xlink:type="locator" />
    <link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityAbstract_836F8771992BA05F81F9E1FD842A2A04" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_B004F054D29010431AF8E1FD842A611C" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_DebtInstrumentNonrecurringChargesThresholdUsedForCalculationofFundedDebtLeverageRatio" xlink:label="loc_mg_DebtInstrumentNonrecurringChargesThresholdUsedForCalculationofFundedDebtLeverageRatio_9E6110E05DDA8551C676E1FD842A5079" xlink:type="locator" />
    <link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityAbstract_836F8771992BA05F81F9E1FD842A2A04" xlink:to="loc_mg_DebtInstrumentNonrecurringChargesThresholdUsedForCalculationofFundedDebtLeverageRatio_9E6110E05DDA8551C676E1FD842A5079" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_DebtInstrumentNumberOfFiscalQuartersUsedForCalculationOfFundedDebtLeverageRatio" xlink:label="loc_mg_DebtInstrumentNumberOfFiscalQuartersUsedForCalculationOfFundedDebtLeverageRatio_B77C9161B067AB5BCA4BE1FD842A56C9" xlink:type="locator" />
    <link:presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityAbstract_836F8771992BA05F81F9E1FD842A2A04" xlink:to="loc_mg_DebtInstrumentNumberOfFiscalQuartersUsedForCalculationOfFundedDebtLeverageRatio_B77C9161B067AB5BCA4BE1FD842A56C9" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_DebtInstrumentCovenantFundedLeverageRatioConsideredForLowerInterestRateMargin" xlink:label="loc_mg_DebtInstrumentCovenantFundedLeverageRatioConsideredForLowerInterestRateMargin_0BA3251B47EFC3409441E1FD842AB3EE" xlink:type="locator" />
    <link:presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityAbstract_836F8771992BA05F81F9E1FD842A2A04" xlink:to="loc_mg_DebtInstrumentCovenantFundedLeverageRatioConsideredForLowerInterestRateMargin_0BA3251B47EFC3409441E1FD842AB3EE" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_DebtInstrumentCovenantFundedLeverageRatioConsideredForMaximumInterestRateMargin" xlink:label="loc_mg_DebtInstrumentCovenantFundedLeverageRatioConsideredForMaximumInterestRateMargin_3D237C55AC880741BD34E1FD842A6A48" xlink:type="locator" />
    <link:presentationArc order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityAbstract_836F8771992BA05F81F9E1FD842A2A04" xlink:to="loc_mg_DebtInstrumentCovenantFundedLeverageRatioConsideredForMaximumInterestRateMargin_3D237C55AC880741BD34E1FD842A6A48" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_DebtInstrumentAdditionalInterestRateDueToFundedDebtLeverageRatioExceedingSpecifiedThreshold" xlink:label="loc_mg_DebtInstrumentAdditionalInterestRateDueToFundedDebtLeverageRatioExceedingSpecifiedThreshold_2F7B10D5E762D540DB7DE1FD842A80B1" xlink:type="locator" />
    <link:presentationArc order="13" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityAbstract_836F8771992BA05F81F9E1FD842A2A04" xlink:to="loc_mg_DebtInstrumentAdditionalInterestRateDueToFundedDebtLeverageRatioExceedingSpecifiedThreshold_2F7B10D5E762D540DB7DE1FD842A80B1" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_DebtInstrumentCovenantFundedDebtLeverageRatioForAdditionalInterestPayment" xlink:label="loc_mg_DebtInstrumentCovenantFundedDebtLeverageRatioForAdditionalInterestPayment_A9D34750DC6B14E47E79E1FD842A5F34" xlink:type="locator" />
    <link:presentationArc order="14" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityAbstract_836F8771992BA05F81F9E1FD842A2A04" xlink:to="loc_mg_DebtInstrumentCovenantFundedDebtLeverageRatioForAdditionalInterestPayment_A9D34750DC6B14E47E79E1FD842A5F34" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_DebtInstrumentCovenantInterestCoverageRatio" xlink:label="loc_mg_DebtInstrumentCovenantInterestCoverageRatio_184801506853CD024022E1FD842A92B8" xlink:type="locator" />
    <link:presentationArc order="15" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityAbstract_836F8771992BA05F81F9E1FD842A2A04" xlink:to="loc_mg_DebtInstrumentCovenantInterestCoverageRatio_184801506853CD024022E1FD842A92B8" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_DebtInstrumentPrecedingPeriodUsedForCalculationOfInterestCoverageRatio" xlink:label="loc_mg_DebtInstrumentPrecedingPeriodUsedForCalculationOfInterestCoverageRatio_7CB8E1D785CEE467FA4EE1FD842AC302" xlink:type="locator" />
    <link:presentationArc order="16" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityAbstract_836F8771992BA05F81F9E1FD842A2A04" xlink:to="loc_mg_DebtInstrumentPrecedingPeriodUsedForCalculationOfInterestCoverageRatio_7CB8E1D785CEE467FA4EE1FD842AC302" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_DebtInstrumentCovenantTemporarilyIncreaseinFundedDebtLeverageRatioduetoBusinessAcquisitions" xlink:label="loc_mg_DebtInstrumentCovenantTemporarilyIncreaseinFundedDebtLeverageRatioduetoBusinessAcquisitions_03FFF93D20A071FEF5D5E1FD842A71FB" xlink:type="locator" />
    <link:presentationArc order="17" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityAbstract_836F8771992BA05F81F9E1FD842A2A04" xlink:to="loc_mg_DebtInstrumentCovenantTemporarilyIncreaseinFundedDebtLeverageRatioduetoBusinessAcquisitions_03FFF93D20A071FEF5D5E1FD842A71FB" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_DebtInstrumentNumberofFiscalQuartersToTemporarilyIncreaseFundedDebtLeverageRatioduetoBusinessAcquisitions" xlink:label="loc_mg_DebtInstrumentNumberofFiscalQuartersToTemporarilyIncreaseFundedDebtLeverageRatioduetoBusinessAcquisitions_D3EC7DB10A61BE884C86E1FD842A14EA" xlink:type="locator" />
    <link:presentationArc order="18" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityAbstract_836F8771992BA05F81F9E1FD842A2A04" xlink:to="loc_mg_DebtInstrumentNumberofFiscalQuartersToTemporarilyIncreaseFundedDebtLeverageRatioduetoBusinessAcquisitions_D3EC7DB10A61BE884C86E1FD842A14EA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongtermNotesAndLoansCurrentAndNoncurrentAbstract" xlink:label="loc_us-gaap_LongtermNotesAndLoansCurrentAndNoncurrentAbstract_1B13A85362373032BCBEE1FD842AF3C8" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_D557ED911B2A34BEE9A3E1FD842A15AD" xlink:to="loc_us-gaap_LongtermNotesAndLoansCurrentAndNoncurrentAbstract_1B13A85362373032BCBEE1FD842AF3C8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentTerm" xlink:label="loc_us-gaap_DebtInstrumentTerm_CE728982E02243664E71E1FD842AFB0D" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermNotesAndLoansCurrentAndNoncurrentAbstract_1B13A85362373032BCBEE1FD842AF3C8" xlink:to="loc_us-gaap_DebtInstrumentTerm_CE728982E02243664E71E1FD842AFB0D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_03EC7E1E254E6A0B56B0E1FD842A3A9B" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermNotesAndLoansCurrentAndNoncurrentAbstract_1B13A85362373032BCBEE1FD842AF3C8" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_03EC7E1E254E6A0B56B0E1FD842A3A9B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_169F00FE03642EAFE743E1FD842A3B29" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermNotesAndLoansCurrentAndNoncurrentAbstract_1B13A85362373032BCBEE1FD842AF3C8" xlink:to="loc_us-gaap_LongTermDebt_169F00FE03642EAFE743E1FD842A3B29" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentPeriodicPayment" xlink:label="loc_us-gaap_DebtInstrumentPeriodicPayment_FCEFDFC3F5DEFAE1F324E1FD842A38D5" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermNotesAndLoansCurrentAndNoncurrentAbstract_1B13A85362373032BCBEE1FD842AF3C8" xlink:to="loc_us-gaap_DebtInstrumentPeriodicPayment_FCEFDFC3F5DEFAE1F324E1FD842A38D5" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/LongTermDebtScheduleOfLongTermDebtDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtDisclosureAbstract" xlink:label="loc_us-gaap_DebtDisclosureAbstract_D575B1F4CFD15A3AACD3A0758ED373DD" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_4B72A520D0A45E6D83AF76E26A6AB82D" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_D575B1F4CFD15A3AACD3A0758ED373DD" xlink:to="loc_us-gaap_DebtInstrumentTable_4B72A520D0A45E6D83AF76E26A6AB82D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_4634DC7941F858CEA317B528455F89A5" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_4B72A520D0A45E6D83AF76E26A6AB82D" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_4634DC7941F858CEA317B528455F89A5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_A18B8DE687B457BC810BBFA36479CE58" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_4634DC7941F858CEA317B528455F89A5" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_A18B8DE687B457BC810BBFA36479CE58" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevolvingCreditFacilityMember" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_4C9AF4378EB0521C911A850CEEEC4154" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_A18B8DE687B457BC810BBFA36479CE58" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_4C9AF4378EB0521C911A850CEEEC4154" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NotesPayableOtherPayablesMember" xlink:label="loc_us-gaap_NotesPayableOtherPayablesMember_530CB43C458B54BEBEB2C7B7AB2A7B28" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_A18B8DE687B457BC810BBFA36479CE58" xlink:to="loc_us-gaap_NotesPayableOtherPayablesMember_530CB43C458B54BEBEB2C7B7AB2A7B28" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_OtherLongTermDebtMember" xlink:label="loc_mg_OtherLongTermDebtMember_AEFCC3C59BC553B6A28B48A13C601BC8" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_A18B8DE687B457BC810BBFA36479CE58" xlink:to="loc_mg_OtherLongTermDebtMember_AEFCC3C59BC553B6A28B48A13C601BC8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_DB8A405874BD56E4BA3F694CF2DEEE4F" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_4B72A520D0A45E6D83AF76E26A6AB82D" xlink:to="loc_us-gaap_DebtInstrumentLineItems_DB8A405874BD56E4BA3F694CF2DEEE4F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_9D1402C2C18E532B99BB19777BAC710E" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_DB8A405874BD56E4BA3F694CF2DEEE4F" xlink:to="loc_us-gaap_LongTermDebt_9D1402C2C18E532B99BB19777BAC710E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="loc_us-gaap_LongTermDebtCurrent_29275BA509E75712BF9B544424D60799" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_DB8A405874BD56E4BA3F694CF2DEEE4F" xlink:to="loc_us-gaap_LongTermDebtCurrent_29275BA509E75712BF9B544424D60799" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_0A866D63C4BE55EFBD975843770348BD" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_DB8A405874BD56E4BA3F694CF2DEEE4F" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_0A866D63C4BE55EFBD975843770348BD" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/LongTermDebtTables" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtDisclosureAbstract" xlink:label="loc_us-gaap_DebtDisclosureAbstract_902529DF5BE55039BBC50E372D7DC704" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfDebtInstrumentsTextBlock" xlink:label="loc_us-gaap_ScheduleOfDebtInstrumentsTextBlock_1ADDFA4A2D485365AECE30239746B55F" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_902529DF5BE55039BBC50E372D7DC704" xlink:to="loc_us-gaap_ScheduleOfDebtInstrumentsTextBlock_1ADDFA4A2D485365AECE30239746B55F" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/PropertyPlantAndEquipmentNet" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentAbstract" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAbstract_3DEA828D8B42E12A1E0001053E902921" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_5774465DC3AF0EAB764501053E90A197" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAbstract_3DEA828D8B42E12A1E0001053E902921" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_5774465DC3AF0EAB764501053E90A197" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/PropertyPlantAndEquipmentNetDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentAbstract" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAbstract_D6721AD81178A784DE3180314653B320" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_F3D2BDB1519718D223778031465322B5" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAbstract_D6721AD81178A784DE3180314653B320" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_F3D2BDB1519718D223778031465322B5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_201C86711215681DD687803146538DF8" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_F3D2BDB1519718D223778031465322B5" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_201C86711215681DD687803146538DF8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_30F2A4AC8DFFCF5786DC80314654F73D" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_201C86711215681DD687803146538DF8" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_30F2A4AC8DFFCF5786DC80314654F73D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LandMember" xlink:label="loc_us-gaap_LandMember_82F59BD9B98DDA62DEA780314654FECD" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_30F2A4AC8DFFCF5786DC80314654F73D" xlink:to="loc_us-gaap_LandMember_82F59BD9B98DDA62DEA780314654FECD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BuildingAndBuildingImprovementsMember" xlink:label="loc_us-gaap_BuildingAndBuildingImprovementsMember_7EE06D4C4B0B89F5577180314658126B" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_30F2A4AC8DFFCF5786DC80314654F73D" xlink:to="loc_us-gaap_BuildingAndBuildingImprovementsMember_7EE06D4C4B0B89F5577180314658126B" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_OfficeFurnitureAndEquipmentMember" xlink:label="loc_mg_OfficeFurnitureAndEquipmentMember_4A2CD290C9C67A9AC7AF80314658C821" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_30F2A4AC8DFFCF5786DC80314654F73D" xlink:to="loc_mg_OfficeFurnitureAndEquipmentMember_4A2CD290C9C67A9AC7AF80314658C821" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MachineryAndEquipmentMember" xlink:label="loc_us-gaap_MachineryAndEquipmentMember_E37787FC4F5F399D2DE480314659F6BF" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_30F2A4AC8DFFCF5786DC80314654F73D" xlink:to="loc_us-gaap_MachineryAndEquipmentMember_E37787FC4F5F399D2DE480314659F6BF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_A63D158AFC1A800DAF7E80314659737E" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_F3D2BDB1519718D223778031465322B5" xlink:to="loc_us-gaap_RangeAxis_A63D158AFC1A800DAF7E80314659737E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_AD8F5E21377DEC363C4480314659F33E" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RangeAxis_A63D158AFC1A800DAF7E80314659737E" xlink:to="loc_us-gaap_RangeMember_AD8F5E21377DEC363C4480314659F33E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_4B58101D8E627FCE46EF8031465AAF56" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RangeMember_AD8F5E21377DEC363C4480314659F33E" xlink:to="loc_us-gaap_MinimumMember_4B58101D8E627FCE46EF8031465AAF56" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_E766DC7CE58A3EF34A638031465ABCDE" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RangeMember_AD8F5E21377DEC363C4480314659F33E" xlink:to="loc_us-gaap_MaximumMember_E766DC7CE58A3EF34A638031465ABCDE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_8B276756B7687E5ACF9E8031465BD84E" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_F3D2BDB1519718D223778031465322B5" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentLineItems_8B276756B7687E5ACF9E8031465BD84E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_7CEEBF149AB0BB548E0B8031465BD5ED" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_8B276756B7687E5ACF9E8031465BD84E" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_7CEEBF149AB0BB548E0B8031465BD5ED" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_CDA173ECEDC669B8427A8031465B01A0" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_8B276756B7687E5ACF9E8031465BD84E" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_CDA173ECEDC669B8427A8031465B01A0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_6E00887D753BD99856398031465B78ED" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_8B276756B7687E5ACF9E8031465BD84E" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_6E00887D753BD99856398031465B78ED" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_363B10A0501015E431458031465BCA81" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_8B276756B7687E5ACF9E8031465BD84E" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_363B10A0501015E431458031465BCA81" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Depreciation" xlink:label="loc_us-gaap_Depreciation_5204429D7244DFA1E15F8031465C6A99" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAbstract_D6721AD81178A784DE3180314653B320" xlink:to="loc_us-gaap_Depreciation_5204429D7244DFA1E15F8031465C6A99" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/PropertyPlantAndEquipmentNetTables" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentAbstract" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAbstract_07D852A5CC5BF1B8C19801053E9084DF" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTextBlock" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTextBlock_15195277DA1BF147582601053E90E60F" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAbstract_07D852A5CC5BF1B8C19801053E9084DF" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTextBlock_15195277DA1BF147582601053E90E60F" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/RepurchaseOfCommonStock" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EquityAbstract" xlink:label="loc_us-gaap_EquityAbstract_37111A127B785E658300805927C23748" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:label="loc_us-gaap_StockholdersEquityNoteDisclosureTextBlock_335E679BFD2C552AA8A3771F3BFE58F0" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityAbstract_37111A127B785E658300805927C23748" xlink:to="loc_us-gaap_StockholdersEquityNoteDisclosureTextBlock_335E679BFD2C552AA8A3771F3BFE58F0" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/RepurchaseOfCommonStockDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EquityAbstract" xlink:label="loc_us-gaap_EquityAbstract_155FC5517A9B54088BD889151377D12B" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfStockByClassTable" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_9774EB6494D55D1C9DFD8B3CADAFA2E4" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityAbstract_155FC5517A9B54088BD889151377D12B" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_9774EB6494D55D1C9DFD8B3CADAFA2E4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareRepurchaseProgramAxis" xlink:label="loc_us-gaap_ShareRepurchaseProgramAxis_755C5F3F7E5751AD979C7AC81DA1D340" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_9774EB6494D55D1C9DFD8B3CADAFA2E4" xlink:to="loc_us-gaap_ShareRepurchaseProgramAxis_755C5F3F7E5751AD979C7AC81DA1D340" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareRepurchaseProgramDomain" xlink:label="loc_us-gaap_ShareRepurchaseProgramDomain_46272D90BC0C5529BBF4992478258AFB" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareRepurchaseProgramAxis_755C5F3F7E5751AD979C7AC81DA1D340" xlink:to="loc_us-gaap_ShareRepurchaseProgramDomain_46272D90BC0C5529BBF4992478258AFB" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_StockRepurchasePlanMember" xlink:label="loc_mg_StockRepurchasePlanMember_E546EB5D05E15684B2A6B45B551C9A80" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareRepurchaseProgramDomain_46272D90BC0C5529BBF4992478258AFB" xlink:to="loc_mg_StockRepurchasePlanMember_E546EB5D05E15684B2A6B45B551C9A80" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TitleOfIndividualAxis" xlink:label="loc_us-gaap_TitleOfIndividualAxis_CD99ED7CA6825DD1BCB3EF4F8218DE5B" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_9774EB6494D55D1C9DFD8B3CADAFA2E4" xlink:to="loc_us-gaap_TitleOfIndividualAxis_CD99ED7CA6825DD1BCB3EF4F8218DE5B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:label="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_E948EBBD9A295D21850658CBEA97190C" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TitleOfIndividualAxis_CD99ED7CA6825DD1BCB3EF4F8218DE5B" xlink:to="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_E948EBBD9A295D21850658CBEA97190C" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_BoardofDirectorsChairmanandChiefExecutiveOfficerMember" xlink:label="loc_mg_BoardofDirectorsChairmanandChiefExecutiveOfficerMember_6497156A16575F55A5B236D0E1B649D9" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_E948EBBD9A295D21850658CBEA97190C" xlink:to="loc_mg_BoardofDirectorsChairmanandChiefExecutiveOfficerMember_6497156A16575F55A5B236D0E1B649D9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ClassOfStockLineItems" xlink:label="loc_us-gaap_ClassOfStockLineItems_2E039AF1977558B39CF671C412FCFE16" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_9774EB6494D55D1C9DFD8B3CADAFA2E4" xlink:to="loc_us-gaap_ClassOfStockLineItems_2E039AF1977558B39CF671C412FCFE16" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockRepurchaseProgramAuthorizedAmount1" xlink:label="loc_us-gaap_StockRepurchaseProgramAuthorizedAmount1_67E35C0807F858C893F7CF5D4837E52B" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockLineItems_2E039AF1977558B39CF671C412FCFE16" xlink:to="loc_us-gaap_StockRepurchaseProgramAuthorizedAmount1_67E35C0807F858C893F7CF5D4837E52B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased" xlink:label="loc_us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased_37D61D5797865718825867407D681FDE" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockLineItems_2E039AF1977558B39CF671C412FCFE16" xlink:to="loc_us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased_37D61D5797865718825867407D681FDE" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_StockRepurchaseProgramAuthorizedAmountPerMonth" xlink:label="loc_mg_StockRepurchaseProgramAuthorizedAmountPerMonth_E6A26BC7C5455AFFA4A6AA1EC06B40C2" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockLineItems_2E039AF1977558B39CF671C412FCFE16" xlink:to="loc_mg_StockRepurchaseProgramAuthorizedAmountPerMonth_E6A26BC7C5455AFFA4A6AA1EC06B40C2" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_AverageDailyPriceofCommonStockForPrecedingMonthDiscountPercent" xlink:label="loc_mg_AverageDailyPriceofCommonStockForPrecedingMonthDiscountPercent_AE0E1AE18D6B523FB02C3F057DDF8135" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockLineItems_2E039AF1977558B39CF671C412FCFE16" xlink:to="loc_mg_AverageDailyPriceofCommonStockForPrecedingMonthDiscountPercent_AE0E1AE18D6B523FB02C3F057DDF8135" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TreasuryStockSharesAcquired" xlink:label="loc_us-gaap_TreasuryStockSharesAcquired_1F40166FD3BE52FAADC5F9B8BA4F41D1" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockLineItems_2E039AF1977558B39CF671C412FCFE16" xlink:to="loc_us-gaap_TreasuryStockSharesAcquired_1F40166FD3BE52FAADC5F9B8BA4F41D1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TreasuryStockAcquiredAverageCostPerShare" xlink:label="loc_us-gaap_TreasuryStockAcquiredAverageCostPerShare_9B25A75E9E545C95B5A796F55FB25B8E" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockLineItems_2E039AF1977558B39CF671C412FCFE16" xlink:to="loc_us-gaap_TreasuryStockAcquiredAverageCostPerShare_9B25A75E9E545C95B5A796F55FB25B8E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:label="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_28173FADD2205D75AF6EBF96219FFF88" xlink:type="locator" />
    <link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockLineItems_2E039AF1977558B39CF671C412FCFE16" xlink:to="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_28173FADD2205D75AF6EBF96219FFF88" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1" xlink:label="loc_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_26C938DEA02B59F79B5C107944A5D56C" xlink:type="locator" />
    <link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockLineItems_2E039AF1977558B39CF671C412FCFE16" xlink:to="loc_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_26C938DEA02B59F79B5C107944A5D56C" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/Revenue" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevenueFromContractWithCustomerAbstract" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerAbstract_9EE16F6ADD32516B857C2C5084E16F95" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevenueFromContractWithCustomerTextBlock" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerTextBlock_F497927949E9554E880BBC2A6F12609C" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_9EE16F6ADD32516B857C2C5084E16F95" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerTextBlock_F497927949E9554E880BBC2A6F12609C" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/RevenueAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevenueFromContractWithCustomerAbstract" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerAbstract_36A9F252D24B158F4132E1FD8553ECC7" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod_88689CBBC97887F6CEF6E1FD85538321" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_36A9F252D24B158F4132E1FD8553ECC7" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod_88689CBBC97887F6CEF6E1FD85538321" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ContractWithCustomerLiabilityRevenueRecognized" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_47C3735AC6A38D22A72CE1FD8553F0B8" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_36A9F252D24B158F4132E1FD8553ECC7" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_47C3735AC6A38D22A72CE1FD8553F0B8" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_RevenuePracticalExpedientIncrementalCostofObtainingContractMaximumPeriod" xlink:label="loc_mg_RevenuePracticalExpedientIncrementalCostofObtainingContractMaximumPeriod_FA2CE6E32B5DC77B4892E1FD8553F2F1" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_36A9F252D24B158F4132E1FD8553ECC7" xlink:to="loc_mg_RevenuePracticalExpedientIncrementalCostofObtainingContractMaximumPeriod_FA2CE6E32B5DC77B4892E1FD8553F2F1" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/RevenueDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevenueFromContractWithCustomerAbstract" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerAbstract_77507C8677A54A92E4AD0235485E5C75" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisaggregationOfRevenueTable" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_05AEF3C4C5ECD3D4FDB00235485E0632" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_77507C8677A54A92E4AD0235485E5C75" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_05AEF3C4C5ECD3D4FDB00235485E0632" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConsolidationItemsAxis" xlink:label="loc_us-gaap_ConsolidationItemsAxis_B05F349E6C302DAF6B680235485E86DA" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_05AEF3C4C5ECD3D4FDB00235485E0632" xlink:to="loc_us-gaap_ConsolidationItemsAxis_B05F349E6C302DAF6B680235485E86DA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConsolidationItemsDomain" xlink:label="loc_us-gaap_ConsolidationItemsDomain_615414349B01B33C168F0235485EE7F4" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConsolidationItemsAxis_B05F349E6C302DAF6B680235485E86DA" xlink:to="loc_us-gaap_ConsolidationItemsDomain_615414349B01B33C168F0235485EE7F4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingSegmentsMember" xlink:label="loc_us-gaap_OperatingSegmentsMember_CAE0AB1C1D6FF13D240D0235485FA66B" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConsolidationItemsDomain_615414349B01B33C168F0235485EE7F4" xlink:to="loc_us-gaap_OperatingSegmentsMember_CAE0AB1C1D6FF13D240D0235485FA66B" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_CorporateAndEliminationsMember" xlink:label="loc_mg_CorporateAndEliminationsMember_0D091FF6071C9EABD4090235485F0F4A" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConsolidationItemsDomain_615414349B01B33C168F0235485EE7F4" xlink:to="loc_mg_CorporateAndEliminationsMember_0D091FF6071C9EABD4090235485F0F4A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_CB5E2EBD75E1EF936A0F0235485FFAC1" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_05AEF3C4C5ECD3D4FDB00235485E0632" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_CB5E2EBD75E1EF936A0F0235485FFAC1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_491C99B16EBCD1B657960235485F7192" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_CB5E2EBD75E1EF936A0F0235485FFAC1" xlink:to="loc_us-gaap_SegmentDomain_491C99B16EBCD1B657960235485F7192" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_ServicesMember" xlink:label="loc_mg_ServicesMember_12389CA9A8A06798733C02354860D691" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_491C99B16EBCD1B657960235485F7192" xlink:to="loc_mg_ServicesMember_12389CA9A8A06798733C02354860D691" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_InternationalMember" xlink:label="loc_mg_InternationalMember_470564E764E7CA5955F1023548603E08" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_491C99B16EBCD1B657960235485F7192" xlink:to="loc_mg_InternationalMember_470564E764E7CA5955F1023548603E08" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_ProductsandSystemsMember" xlink:label="loc_mg_ProductsandSystemsMember_EE6C5A1EFB7AD61BEFD80235486062D1" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_491C99B16EBCD1B657960235485F7192" xlink:to="loc_mg_ProductsandSystemsMember_EE6C5A1EFB7AD61BEFD80235486062D1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductOrServiceAxis" xlink:label="loc_us-gaap_ProductOrServiceAxis_6F55FD17A84165FB2608023548602E23" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_05AEF3C4C5ECD3D4FDB00235485E0632" xlink:to="loc_us-gaap_ProductOrServiceAxis_6F55FD17A84165FB2608023548602E23" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductsAndServicesDomain" xlink:label="loc_us-gaap_ProductsAndServicesDomain_E4F763F6F1225028DFE902354860CFDD" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ProductOrServiceAxis_6F55FD17A84165FB2608023548602E23" xlink:to="loc_us-gaap_ProductsAndServicesDomain_E4F763F6F1225028DFE902354860CFDD" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_OilGasMember" xlink:label="loc_mg_OilGasMember_57C8F62AAF354DE09DCD0235486154F0" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ProductsAndServicesDomain_E4F763F6F1225028DFE902354860CFDD" xlink:to="loc_mg_OilGasMember_57C8F62AAF354DE09DCD0235486154F0" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_AerospaceandDefenseMember" xlink:label="loc_mg_AerospaceandDefenseMember_D5AF1804A0614D25E85D02354861EFEE" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ProductsAndServicesDomain_E4F763F6F1225028DFE902354860CFDD" xlink:to="loc_mg_AerospaceandDefenseMember_D5AF1804A0614D25E85D02354861EFEE" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_IndustrialsMember" xlink:label="loc_mg_IndustrialsMember_1A23F2C4F721C7D4FC7302354861FB4C" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ProductsAndServicesDomain_E4F763F6F1225028DFE902354860CFDD" xlink:to="loc_mg_IndustrialsMember_1A23F2C4F721C7D4FC7302354861FB4C" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_PowerGenerationandTransmissionMember" xlink:label="loc_mg_PowerGenerationandTransmissionMember_6AF19DAE57ACFE08FE0E02354861C294" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ProductsAndServicesDomain_E4F763F6F1225028DFE902354860CFDD" xlink:to="loc_mg_PowerGenerationandTransmissionMember_6AF19DAE57ACFE08FE0E02354861C294" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_OtherProcessIndustriesMember" xlink:label="loc_mg_OtherProcessIndustriesMember_49AD4EAE080EC7C6E0E4023548626853" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ProductsAndServicesDomain_E4F763F6F1225028DFE902354860CFDD" xlink:to="loc_mg_OtherProcessIndustriesMember_49AD4EAE080EC7C6E0E4023548626853" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_InfrastructureResearchandEngineeringMember" xlink:label="loc_mg_InfrastructureResearchandEngineeringMember_CAF976DFA52C9FE552260235486295B3" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ProductsAndServicesDomain_E4F763F6F1225028DFE902354860CFDD" xlink:to="loc_mg_InfrastructureResearchandEngineeringMember_CAF976DFA52C9FE552260235486295B3" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_OtherProductsandServicesMember" xlink:label="loc_mg_OtherProductsandServicesMember_68EC07FCFC4C86BAFD79023548627705" xlink:type="locator" />
    <link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ProductsAndServicesDomain_E4F763F6F1225028DFE902354860CFDD" xlink:to="loc_mg_OtherProductsandServicesMember_68EC07FCFC4C86BAFD79023548627705" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementGeographicalAxis" xlink:label="loc_us-gaap_StatementGeographicalAxis_59146526B73D62C3FA56023548627B93" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_05AEF3C4C5ECD3D4FDB00235485E0632" xlink:to="loc_us-gaap_StatementGeographicalAxis_59146526B73D62C3FA56023548627B93" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:label="loc_us-gaap_SegmentGeographicalDomain_EFAE500CBD091547661B023548626961" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementGeographicalAxis_59146526B73D62C3FA56023548627B93" xlink:to="loc_us-gaap_SegmentGeographicalDomain_EFAE500CBD091547661B023548626961" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/country/2017/country-2017-01-31.xsd#country_US" xlink:label="loc_country_US_723F2CC4420B031DA64002354862E08C" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentGeographicalDomain_EFAE500CBD091547661B023548626961" xlink:to="loc_country_US_723F2CC4420B031DA64002354862E08C" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_OtherAmericasMember" xlink:label="loc_mg_OtherAmericasMember_26E6B0680FBBF9E009400235486374C9" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentGeographicalDomain_EFAE500CBD091547661B023548626961" xlink:to="loc_mg_OtherAmericasMember_26E6B0680FBBF9E009400235486374C9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EuropeMember" xlink:label="loc_us-gaap_EuropeMember_E3BDCDA13366E9D51C9F023548635CCC" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentGeographicalDomain_EFAE500CBD091547661B023548626961" xlink:to="loc_us-gaap_EuropeMember_E3BDCDA13366E9D51C9F023548635CCC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AsiaPacificMember" xlink:label="loc_us-gaap_AsiaPacificMember_01359E2C40A979FE0909023548636520" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentGeographicalDomain_EFAE500CBD091547661B023548626961" xlink:to="loc_us-gaap_AsiaPacificMember_01359E2C40A979FE0909023548636520" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisaggregationOfRevenueLineItems" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_84D8B0BF70E81528E29602354863DECB" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_05AEF3C4C5ECD3D4FDB00235485E0632" xlink:to="loc_us-gaap_DisaggregationOfRevenueLineItems_84D8B0BF70E81528E29602354863DECB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_4E2741A21B95B9C6C8E702354863EF45" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_84D8B0BF70E81528E29602354863DECB" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_4E2741A21B95B9C6C8E702354863EF45" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/RevenueTables" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevenueFromContractWithCustomerAbstract" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerAbstract_1E724A58A738544B8DBCE11625B2AE28" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisaggregationOfRevenueTableTextBlock" xlink:label="loc_us-gaap_DisaggregationOfRevenueTableTextBlock_43914A7601F15C00B4B16A8D6C368AE8" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_1E724A58A738544B8DBCE11625B2AE28" xlink:to="loc_us-gaap_DisaggregationOfRevenueTableTextBlock_43914A7601F15C00B4B16A8D6C368AE8" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/SegmentDisclosure" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="loc_us-gaap_SegmentReportingAbstract_8E7EC4DC0CC550E6847704FA5C084996" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentReportingDisclosureTextBlock" xlink:label="loc_us-gaap_SegmentReportingDisclosureTextBlock_78AF0B542DC25B0D9C99C26E9AF27DCB" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_8E7EC4DC0CC550E6847704FA5C084996" xlink:to="loc_us-gaap_SegmentReportingDisclosureTextBlock_78AF0B542DC25B0D9C99C26E9AF27DCB" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/SegmentDisclosureFinancialInformationBySegmentDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="loc_us-gaap_SegmentReportingAbstract_42CC4A6417A7D4512FE602354679C436" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NumberOfOperatingSegments" xlink:label="loc_us-gaap_NumberOfOperatingSegments_CD0D10196AEE19308690023546799222" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_42CC4A6417A7D4512FE602354679C436" xlink:to="loc_us-gaap_NumberOfOperatingSegments_CD0D10196AEE19308690023546799222" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_0272BF994831AA78990602354679B109" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_42CC4A6417A7D4512FE602354679C436" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_0272BF994831AA78990602354679B109" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConsolidationItemsAxis" xlink:label="loc_us-gaap_ConsolidationItemsAxis_963F72E0C63565BF4EC802354679E2FF" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_0272BF994831AA78990602354679B109" xlink:to="loc_us-gaap_ConsolidationItemsAxis_963F72E0C63565BF4EC802354679E2FF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConsolidationItemsDomain" xlink:label="loc_us-gaap_ConsolidationItemsDomain_F4FB6AA8B087A704C3E50235468971F1" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConsolidationItemsAxis_963F72E0C63565BF4EC802354679E2FF" xlink:to="loc_us-gaap_ConsolidationItemsDomain_F4FB6AA8B087A704C3E50235468971F1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingSegmentsMember" xlink:label="loc_us-gaap_OperatingSegmentsMember_9D9810C87CD5D0C80A0602354689CB69" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConsolidationItemsDomain_F4FB6AA8B087A704C3E50235468971F1" xlink:to="loc_us-gaap_OperatingSegmentsMember_9D9810C87CD5D0C80A0602354689CB69" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_CorporateAndEliminationsMember" xlink:label="loc_mg_CorporateAndEliminationsMember_C0E5E549C1F9532A41C402354689E122" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConsolidationItemsDomain_F4FB6AA8B087A704C3E50235468971F1" xlink:to="loc_mg_CorporateAndEliminationsMember_C0E5E549C1F9532A41C402354689E122" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_53C3CE8A8243EAC9F17A02354689BEC9" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_0272BF994831AA78990602354679B109" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_53C3CE8A8243EAC9F17A02354689BEC9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_67D6C38FB2A201D8B5940235468996D4" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_53C3CE8A8243EAC9F17A02354689BEC9" xlink:to="loc_us-gaap_SegmentDomain_67D6C38FB2A201D8B5940235468996D4" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_ServicesMember" xlink:label="loc_mg_ServicesMember_DB20055BAE23A2AC47A602354689EC2A" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_67D6C38FB2A201D8B5940235468996D4" xlink:to="loc_mg_ServicesMember_DB20055BAE23A2AC47A602354689EC2A" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_InternationalMember" xlink:label="loc_mg_InternationalMember_AE07C285BFAC21C83F1B0235468971B8" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_67D6C38FB2A201D8B5940235468996D4" xlink:to="loc_mg_InternationalMember_AE07C285BFAC21C83F1B0235468971B8" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_ProductsandSystemsMember" xlink:label="loc_mg_ProductsandSystemsMember_AE2C29556526E5518C0F023546893D4A" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_67D6C38FB2A201D8B5940235468996D4" xlink:to="loc_mg_ProductsandSystemsMember_AE2C29556526E5518C0F023546893D4A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_EC33496E74342CA365F9023546897AEB" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_0272BF994831AA78990602354679B109" xlink:to="loc_us-gaap_SegmentReportingInformationLineItems_EC33496E74342CA365F9023546897AEB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_91E5ABE6DB45E8ADED550250466C38D9" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_EC33496E74342CA365F9023546897AEB" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_91E5ABE6DB45E8ADED550250466C38D9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GrossProfit" xlink:label="loc_us-gaap_GrossProfit_CA1F3DEC6E9A9C15D68102354689B907" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_EC33496E74342CA365F9023546897AEB" xlink:to="loc_us-gaap_GrossProfit_CA1F3DEC6E9A9C15D68102354689B907" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_702500FAD8A9CBD3D8F80235468985DA" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_EC33496E74342CA365F9023546897AEB" xlink:to="loc_us-gaap_OperatingIncomeLoss_702500FAD8A9CBD3D8F80235468985DA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_4998C6363B23B8E12AD602354689D626" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_EC33496E74342CA365F9023546897AEB" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_4998C6363B23B8E12AD602354689D626" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_00914AF60CF5953397D902354689903D" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_EC33496E74342CA365F9023546897AEB" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_00914AF60CF5953397D902354689903D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_A256F4C26F70521F937702354689A06D" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_EC33496E74342CA365F9023546897AEB" xlink:to="loc_us-gaap_Assets_A256F4C26F70521F937702354689A06D" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/SegmentDisclosureRevenuesByGeographicAreaDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="loc_us-gaap_SegmentReportingAbstract_5CF48C6E2417B8050E370235466AB892" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable" xlink:label="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_604EC4A6CF5AB80C70EC0235466A1B80" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_5CF48C6E2417B8050E370235466AB892" xlink:to="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_604EC4A6CF5AB80C70EC0235466A1B80" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementGeographicalAxis" xlink:label="loc_us-gaap_StatementGeographicalAxis_CA97F5BC1E35D9FD2DA60235466A8BDE" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_604EC4A6CF5AB80C70EC0235466A1B80" xlink:to="loc_us-gaap_StatementGeographicalAxis_CA97F5BC1E35D9FD2DA60235466A8BDE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:label="loc_us-gaap_SegmentGeographicalDomain_2150E50D0164979B07330235466AC63A" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementGeographicalAxis_CA97F5BC1E35D9FD2DA60235466A8BDE" xlink:to="loc_us-gaap_SegmentGeographicalDomain_2150E50D0164979B07330235466AC63A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/country/2017/country-2017-01-31.xsd#country_US" xlink:label="loc_country_US_35967B44C373E0C19CBA0235466ADFDD" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentGeographicalDomain_2150E50D0164979B07330235466AC63A" xlink:to="loc_country_US_35967B44C373E0C19CBA0235466ADFDD" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_OtherAmericasMember" xlink:label="loc_mg_OtherAmericasMember_3C22C22AB45D8E6119000235467935B7" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentGeographicalDomain_2150E50D0164979B07330235466AC63A" xlink:to="loc_mg_OtherAmericasMember_3C22C22AB45D8E6119000235467935B7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EuropeMember" xlink:label="loc_us-gaap_EuropeMember_A87842A0BAFD4FAB3F44023546796613" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentGeographicalDomain_2150E50D0164979B07330235466AC63A" xlink:to="loc_us-gaap_EuropeMember_A87842A0BAFD4FAB3F44023546796613" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AsiaPacificMember" xlink:label="loc_us-gaap_AsiaPacificMember_3293356088E1B7D09F6F02354679A71E" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentGeographicalDomain_2150E50D0164979B07330235466AC63A" xlink:to="loc_us-gaap_AsiaPacificMember_3293356088E1B7D09F6F02354679A71E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems" xlink:label="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_CFB28A4B35BAD5686D0F02354679E111" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_604EC4A6CF5AB80C70EC0235466A1B80" xlink:to="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_CFB28A4B35BAD5686D0F02354679E111" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_3BE04112AD3A49E31924023DDE7145DA" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_CFB28A4B35BAD5686D0F02354679E111" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_3BE04112AD3A49E31924023DDE7145DA" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/SegmentDisclosureTables" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="loc_us-gaap_SegmentReportingAbstract_185F3B0EE1865C339084333F895C682C" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_6F497DF66AAA5E339433186AD4331AEC" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_185F3B0EE1865C339084333F895C682C" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_6F497DF66AAA5E339433186AD4331AEC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfRevenueFromExternalCustomersAttributedToForeignCountriesByGeographicAreaTextBlock" xlink:label="loc_us-gaap_ScheduleOfRevenueFromExternalCustomersAttributedToForeignCountriesByGeographicAreaTextBlock_FFB7BFC55B69551DA31CDAE0092CDA09" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_185F3B0EE1865C339084333F895C682C" xlink:to="loc_us-gaap_ScheduleOfRevenueFromExternalCustomersAttributedToForeignCountriesByGeographicAreaTextBlock_FFB7BFC55B69551DA31CDAE0092CDA09" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/ShareBasedCompensation" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_AA4B4EF62ADC5DD183BA094BEE9DE41E" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_B71EB1ED30FB56C2B9452B4DAFB9EEE5" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_AA4B4EF62ADC5DD183BA094BEE9DE41E" xlink:to="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_B71EB1ED30FB56C2B9452B4DAFB9EEE5" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/ShareBasedCompensationEquityIncentivePlansDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_E9E1F22AAE2B54638B5F2B11CB87E475" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_3E87377B043D5B96AAA51C0D909A216B" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_E9E1F22AAE2B54638B5F2B11CB87E475" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_3E87377B043D5B96AAA51C0D909A216B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="loc_us-gaap_PlanNameAxis_1161B7EC71A751EAA0755EC841715A5A" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_3E87377B043D5B96AAA51C0D909A216B" xlink:to="loc_us-gaap_PlanNameAxis_1161B7EC71A751EAA0755EC841715A5A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_7F1EC220258455BA81F3B849D42B1DCC" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PlanNameAxis_1161B7EC71A751EAA0755EC841715A5A" xlink:to="loc_us-gaap_PlanNameDomain_7F1EC220258455BA81F3B849D42B1DCC" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_StockOptionPlan2007Member" xlink:label="loc_mg_StockOptionPlan2007Member_7FEDEF5CBDEE58CE85866570B7D2E132" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PlanNameDomain_7F1EC220258455BA81F3B849D42B1DCC" xlink:to="loc_mg_StockOptionPlan2007Member_7FEDEF5CBDEE58CE85866570B7D2E132" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_LongTermIncentivePlan2009Member" xlink:label="loc_mg_LongTermIncentivePlan2009Member_D65D5494FD4B5F579C2250F0065C806F" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PlanNameDomain_7F1EC220258455BA81F3B849D42B1DCC" xlink:to="loc_mg_LongTermIncentivePlan2009Member_D65D5494FD4B5F579C2250F0065C806F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_794E0835D7495CBE998E0FDD79CFB027" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_3E87377B043D5B96AAA51C0D909A216B" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_794E0835D7495CBE998E0FDD79CFB027" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_NumberOfEmployeeShareBasedPlans" xlink:label="loc_mg_NumberOfEmployeeShareBasedPlans_72D23F18F7495464957198BCD129219D" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_794E0835D7495CBE998E0FDD79CFB027" xlink:to="loc_mg_NumberOfEmployeeShareBasedPlans_72D23F18F7495464957198BCD129219D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_68C0AFAF030859FDAF0120FA9BEC6300" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_794E0835D7495CBE998E0FDD79CFB027" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_68C0AFAF030859FDAF0120FA9BEC6300" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/ShareBasedCompensationPerformanceRestrictedStockUnitsActivityDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_DC5D3DB7BD8BA3B30B84FB8A8B4B572F" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_58A43DC1D48F98D37F26FB8A8B4B1D53" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_DC5D3DB7BD8BA3B30B84FB8A8B4B572F" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_58A43DC1D48F98D37F26FB8A8B4B1D53" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_18B829970EFCA64AE2AEFB8A8B4BF9E2" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_58A43DC1D48F98D37F26FB8A8B4B1D53" xlink:to="loc_us-gaap_AwardTypeAxis_18B829970EFCA64AE2AEFB8A8B4BF9E2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_9E16BAFCF1F06E839FA9FB8A8B4BD945" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis_18B829970EFCA64AE2AEFB8A8B4BF9E2" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_9E16BAFCF1F06E839FA9FB8A8B4BD945" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PerformanceSharesMember" xlink:label="loc_us-gaap_PerformanceSharesMember_4ECD60D65A6577709ACFFB8A8B4BD2AE" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_9E16BAFCF1F06E839FA9FB8A8B4BD945" xlink:to="loc_us-gaap_PerformanceSharesMember_4ECD60D65A6577709ACFFB8A8B4BD2AE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_1CE0338DAAE9EB74470BFB8A8B4BAC70" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_58A43DC1D48F98D37F26FB8A8B4B1D53" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_1CE0338DAAE9EB74470BFB8A8B4BAC70" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_88E5F25B8AF86EDA787EFB8A8B4BC2E0" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_1CE0338DAAE9EB74470BFB8A8B4BAC70" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_88E5F25B8AF86EDA787EFB8A8B4BC2E0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_5EC4199A3CD256578E88FB8A8B4BAB0E" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_88E5F25B8AF86EDA787EFB8A8B4BC2E0" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_5EC4199A3CD256578E88FB8A8B4BAB0E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_5DCF119D914FEDDB5360FB8A8B4B3EE9" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_88E5F25B8AF86EDA787EFB8A8B4BC2E0" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_5DCF119D914FEDDB5360FB8A8B4B3EE9" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsIncreaseDecreaseAdjustmentsinPeriod" xlink:label="loc_mg_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsIncreaseDecreaseAdjustmentsinPeriod_94D96691CA8F53357F72FB8A8B5BE933" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_88E5F25B8AF86EDA787EFB8A8B4BC2E0" xlink:to="loc_mg_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsIncreaseDecreaseAdjustmentsinPeriod_94D96691CA8F53357F72FB8A8B5BE933" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_61932E67A368B4DB5E5BFB8A8B5BD347" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_88E5F25B8AF86EDA787EFB8A8B4BC2E0" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_61932E67A368B4DB5E5BFB8A8B5BD347" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_B98BA531CC972443D635FB8A8B5B7F4D" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_88E5F25B8AF86EDA787EFB8A8B4BC2E0" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_B98BA531CC972443D635FB8A8B5B7F4D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_0B756D1FFD24A2F68347FB8A8B5BC2E8" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_88E5F25B8AF86EDA787EFB8A8B4BC2E0" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_0B756D1FFD24A2F68347FB8A8B5BC2E8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValueAbstract" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValueAbstract_B8DCA6E4DE35EDDF830DFB8A8B5B486F" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_1CE0338DAAE9EB74470BFB8A8B4BAC70" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValueAbstract_B8DCA6E4DE35EDDF830DFB8A8B5B486F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_860430D815AD9475C58CFB8A8B5BFC07" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValueAbstract_B8DCA6E4DE35EDDF830DFB8A8B5B486F" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_860430D815AD9475C58CFB8A8B5BFC07" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_F8F9857602897FCFA3CBFB8A8B5BE3FD" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValueAbstract_B8DCA6E4DE35EDDF830DFB8A8B5B486F" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_F8F9857602897FCFA3CBFB8A8B5BE3FD" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsAdjustmentsinPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_mg_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsAdjustmentsinPeriodWeightedAverageGrantDateFairValue_FA09D55BC6B54FBB84CBFB8A8B5B75B0" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValueAbstract_B8DCA6E4DE35EDDF830DFB8A8B5B486F" xlink:to="loc_mg_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsAdjustmentsinPeriodWeightedAverageGrantDateFairValue_FA09D55BC6B54FBB84CBFB8A8B5B75B0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_350349687989936FF0C8FB8A8B5BF223" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValueAbstract_B8DCA6E4DE35EDDF830DFB8A8B5B486F" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_350349687989936FF0C8FB8A8B5BF223" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_1FEB842C7471DDD8138EFB8A8B5B6962" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValueAbstract_B8DCA6E4DE35EDDF830DFB8A8B5B486F" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_1FEB842C7471DDD8138EFB8A8B5B6962" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_06724A9427E93788FDB2FB8A8B5B3570" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValueAbstract_B8DCA6E4DE35EDDF830DFB8A8B5B486F" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_06724A9427E93788FDB2FB8A8B5B3570" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/ShareBasedCompensationPerformanceRestrictedStockUnitsNarrativeDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_EA0F773BBAD228FFECB3ECF8435CB8B0" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_41950FC31425C8C8681CECF8435CEA1E" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_EA0F773BBAD228FFECB3ECF8435CB8B0" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_41950FC31425C8C8681CECF8435CEA1E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_7C8F2C9F14651B14241BECF8435C830D" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_41950FC31425C8C8681CECF8435CEA1E" xlink:to="loc_us-gaap_AwardTypeAxis_7C8F2C9F14651B14241BECF8435C830D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_E835490751064F1399C6ECF8435C76A7" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis_7C8F2C9F14651B14241BECF8435C830D" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_E835490751064F1399C6ECF8435C76A7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PerformanceSharesMember" xlink:label="loc_us-gaap_PerformanceSharesMember_5912CC1F227C4A1F8727ECF8435C3289" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_E835490751064F1399C6ECF8435C76A7" xlink:to="loc_us-gaap_PerformanceSharesMember_5912CC1F227C4A1F8727ECF8435C3289" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TitleOfIndividualAxis" xlink:label="loc_us-gaap_TitleOfIndividualAxis_1B304C81A524DE14A919ECF8435C0842" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_41950FC31425C8C8681CECF8435CEA1E" xlink:to="loc_us-gaap_TitleOfIndividualAxis_1B304C81A524DE14A919ECF8435C0842" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:label="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_564192EAEF23E9279715ECF8435C37E1" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TitleOfIndividualAxis_1B304C81A524DE14A919ECF8435C0842" xlink:to="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_564192EAEF23E9279715ECF8435C37E1" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_ExecutiveAndSeniorOfficersMember" xlink:label="loc_mg_ExecutiveAndSeniorOfficersMember_DF47EFEC18B9BEC64F5FECF8435C637A" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_564192EAEF23E9279715ECF8435C37E1" xlink:to="loc_mg_ExecutiveAndSeniorOfficersMember_DF47EFEC18B9BEC64F5FECF8435C637A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_VestingAxis" xlink:label="loc_us-gaap_VestingAxis_013799474EAD81B2B2C9ECF8435C3589" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_41950FC31425C8C8681CECF8435CEA1E" xlink:to="loc_us-gaap_VestingAxis_013799474EAD81B2B2C9ECF8435C3589" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_VestingDomain" xlink:label="loc_us-gaap_VestingDomain_FFCE583E89165AEEA3DCECF8435CC39F" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VestingAxis_013799474EAD81B2B2C9ECF8435C3589" xlink:to="loc_us-gaap_VestingDomain_FFCE583E89165AEEA3DCECF8435CC39F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationAwardTrancheOneMember" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_AC452266AC33BA08E6B0ECF8436B4E6B" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VestingDomain_FFCE583E89165AEEA3DCECF8435CC39F" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_AC452266AC33BA08E6B0ECF8436B4E6B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationAwardTrancheTwoMember" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheTwoMember_69C38F62B95426FCDEE2ECF8436B0D7F" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VestingDomain_FFCE583E89165AEEA3DCECF8435CC39F" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheTwoMember_69C38F62B95426FCDEE2ECF8436B0D7F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationAwardTrancheThreeMember" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheThreeMember_5A73DF3892DA6328BF74ECF8436BCE0C" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VestingDomain_FFCE583E89165AEEA3DCECF8435CC39F" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheThreeMember_5A73DF3892DA6328BF74ECF8436BCE0C" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_SharebasedCompensationAwardTrancheFourMember" xlink:label="loc_mg_SharebasedCompensationAwardTrancheFourMember_D6CE152D0AD0B1187259ECF8436B491F" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VestingDomain_FFCE583E89165AEEA3DCECF8435CC39F" xlink:to="loc_mg_SharebasedCompensationAwardTrancheFourMember_D6CE152D0AD0B1187259ECF8436B491F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_C1B0A38C246128D0EEF9ECF8436B4269" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_41950FC31425C8C8681CECF8435CEA1E" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_C1B0A38C246128D0EEF9ECF8436B4269" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_301A4C495171307DA313ECF8436B1020" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_C1B0A38C246128D0EEF9ECF8436B4269" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_301A4C495171307DA313ECF8436B1020" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_AccruedExpensesandOtherCurrentLiabilitiesMember" xlink:label="loc_mg_AccruedExpensesandOtherCurrentLiabilitiesMember_6699F656DBEA87F90FB8ECF8436BD6C4" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_301A4C495171307DA313ECF8436B1020" xlink:to="loc_mg_AccruedExpensesandOtherCurrentLiabilitiesMember_6699F656DBEA87F90FB8ECF8436BD6C4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FD8298EA6F37807149B0ECF8436B6DDA" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_41950FC31425C8C8681CECF8435CEA1E" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FD8298EA6F37807149B0ECF8436B6DDA" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardPerformancePeriod" xlink:label="loc_mg_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardPerformancePeriod_67894E73DBF09A9CC24AECF8436BF5A3" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FD8298EA6F37807149B0ECF8436B6DDA" xlink:to="loc_mg_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardPerformancePeriod_67894E73DBF09A9CC24AECF8436BF5A3" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAwardMetrics" xlink:label="loc_mg_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAwardMetrics_BEFB6C9386AF850A59BBECF8436B8956" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FD8298EA6F37807149B0ECF8436B6DDA" xlink:to="loc_mg_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAwardMetrics_BEFB6C9386AF850A59BBECF8436B8956" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1_9BCD2D4AD4858EF3458BECF8436B30F0" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FD8298EA6F37807149B0ECF8436B6DDA" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1_9BCD2D4AD4858EF3458BECF8436B30F0" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsIncreaseAdjustmentsinPeriod" xlink:label="loc_mg_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsIncreaseAdjustmentsinPeriod_6E3011ACB9956E98DAABECF847C1452F" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FD8298EA6F37807149B0ECF8436B6DDA" xlink:to="loc_mg_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsIncreaseAdjustmentsinPeriod_6E3011ACB9956E98DAABECF847C1452F" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsDecreaseAdjustmentsinPeriod" xlink:label="loc_mg_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsDecreaseAdjustmentsinPeriod_C54641EFBB9F383D6C3BECF92C45C3F4" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FD8298EA6F37807149B0ECF8436B6DDA" xlink:to="loc_mg_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsDecreaseAdjustmentsinPeriod_C54641EFBB9F383D6C3BECF92C45C3F4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_6A0178DDA59B693580A0ECF8436B5DFF" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FD8298EA6F37807149B0ECF8436B6DDA" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_6A0178DDA59B693580A0ECF8436B5DFF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_76A54F287278B3388FDEECF8436B2F0A" xlink:type="locator" />
    <link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FD8298EA6F37807149B0ECF8436B6DDA" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_76A54F287278B3388FDEECF8436B2F0A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_EAFF96083CE4ADBF1F22ECF8436BF86E" xlink:type="locator" />
    <link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FD8298EA6F37807149B0ECF8436B6DDA" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_EAFF96083CE4ADBF1F22ECF8436BF86E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_ABD4715AFD1475D23E21ECF8436B755C" xlink:type="locator" />
    <link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FD8298EA6F37807149B0ECF8436B6DDA" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_ABD4715AFD1475D23E21ECF8436B755C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_63D78DC2A38CA7F17313ECF8436B8A4C" xlink:type="locator" />
    <link:presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FD8298EA6F37807149B0ECF8436B6DDA" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_63D78DC2A38CA7F17313ECF8436B8A4C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_EDECE52C33499BA21D32ECF8436B788F" xlink:type="locator" />
    <link:presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FD8298EA6F37807149B0ECF8436B6DDA" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_EDECE52C33499BA21D32ECF8436B788F" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/ShareBasedCompensationRestrictedStockUnitAwardsNarrativeDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_1E03B8B6BEB82965C698AF082078C93F" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_C275BED26B5972433095AF082078561D" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_1E03B8B6BEB82965C698AF082078C93F" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_C275BED26B5972433095AF082078561D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_BB503A7BE4BD69579C37AF0820780BD8" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_C275BED26B5972433095AF082078561D" xlink:to="loc_us-gaap_AwardTypeAxis_BB503A7BE4BD69579C37AF0820780BD8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_AE3868B0011B2F83B247AF082078779C" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis_BB503A7BE4BD69579C37AF0820780BD8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_AE3868B0011B2F83B247AF082078779C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_4BBA72FFDAB5C4FBCD85AF082078EABF" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_AE3868B0011B2F83B247AF082078779C" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_4BBA72FFDAB5C4FBCD85AF082078EABF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TitleOfIndividualAxis" xlink:label="loc_us-gaap_TitleOfIndividualAxis_D164F5D3B80EEFBBB314AF08207807B0" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_C275BED26B5972433095AF082078561D" xlink:to="loc_us-gaap_TitleOfIndividualAxis_D164F5D3B80EEFBBB314AF08207807B0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:label="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_201C8A945D4892E27BDDAF082078DBA2" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TitleOfIndividualAxis_D164F5D3B80EEFBBB314AF08207807B0" xlink:to="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_201C8A945D4892E27BDDAF082078DBA2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DirectorMember" xlink:label="loc_us-gaap_DirectorMember_50FACC6A75BC150DF351AF082078BCAC" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_201C8A945D4892E27BDDAF082078DBA2" xlink:to="loc_us-gaap_DirectorMember_50FACC6A75BC150DF351AF082078BCAC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_4291F7CD3A56B1FE1B48AF082078408A" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_C275BED26B5972433095AF082078561D" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_4291F7CD3A56B1FE1B48AF082078408A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_921AA372E87A7481BA4BAF0820784D20" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_4291F7CD3A56B1FE1B48AF082078408A" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_921AA372E87A7481BA4BAF0820784D20" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_390686DA1BA27AA9AA5EAF082078949F" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_4291F7CD3A56B1FE1B48AF082078408A" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_390686DA1BA27AA9AA5EAF082078949F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_36870D0F4192EC15D99CAF0820787E6E" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_4291F7CD3A56B1FE1B48AF082078408A" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_36870D0F4192EC15D99CAF0820787E6E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted_9003F6627C41F2A8A5DAAF082078DD23" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_4291F7CD3A56B1FE1B48AF082078408A" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted_9003F6627C41F2A8A5DAAF082078DD23" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfNonEmployeeDirectorsToWhomAwardIsGranted" xlink:label="loc_mg_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfNonEmployeeDirectorsToWhomAwardIsGranted_CF0A3873B68BF661E79EAF082078EF40" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_4291F7CD3A56B1FE1B48AF082078408A" xlink:to="loc_mg_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfNonEmployeeDirectorsToWhomAwardIsGranted_CF0A3873B68BF661E79EAF082078EF40" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_9D62B520AD0F660BE6E5AF0820781963" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_4291F7CD3A56B1FE1B48AF082078408A" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_9D62B520AD0F660BE6E5AF0820781963" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_CFA39A077A553272B157AF0820787419" xlink:type="locator" />
    <link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_4291F7CD3A56B1FE1B48AF082078408A" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_CFA39A077A553272B157AF0820787419" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/ShareBasedCompensationRestrictedStockUnitsAwardsActivityDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_B9B453C7D1A05D3889D013F37B68A990" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_E65193F95FFC5A69A439F185BD25F28C" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_B9B453C7D1A05D3889D013F37B68A990" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_E65193F95FFC5A69A439F185BD25F28C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_21D6A09A53DD536A804C82D5E70154D3" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_E65193F95FFC5A69A439F185BD25F28C" xlink:to="loc_us-gaap_AwardTypeAxis_21D6A09A53DD536A804C82D5E70154D3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_FAED2B97EB3A57089EFC12CF2AA4B1EC" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis_21D6A09A53DD536A804C82D5E70154D3" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_FAED2B97EB3A57089EFC12CF2AA4B1EC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_C6E5B68B9C425EA591F3A498FAC335C3" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_FAED2B97EB3A57089EFC12CF2AA4B1EC" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_C6E5B68B9C425EA591F3A498FAC335C3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_349A39FC7A3F5E5D9A52C35966C22D26" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_E65193F95FFC5A69A439F185BD25F28C" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_349A39FC7A3F5E5D9A52C35966C22D26" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_773393AD2B725AA4AC0A88E93387BB42" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_349A39FC7A3F5E5D9A52C35966C22D26" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_773393AD2B725AA4AC0A88E93387BB42" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_D573A9D3B96353BCADFA1CCDB5A99D6B" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_773393AD2B725AA4AC0A88E93387BB42" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_D573A9D3B96353BCADFA1CCDB5A99D6B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_FF1AEF52E4015D1CB86EB98C401850E3" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_773393AD2B725AA4AC0A88E93387BB42" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_FF1AEF52E4015D1CB86EB98C401850E3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_B89730F07D745BEB81A88502FEFBE280" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_773393AD2B725AA4AC0A88E93387BB42" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_B89730F07D745BEB81A88502FEFBE280" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_50F6F56582B758709B8D45589AEDC602" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_773393AD2B725AA4AC0A88E93387BB42" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_50F6F56582B758709B8D45589AEDC602" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_842E37D1C86B5BB5B4A5182EF9E269AC" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_773393AD2B725AA4AC0A88E93387BB42" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_842E37D1C86B5BB5B4A5182EF9E269AC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValueAbstract" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValueAbstract_774824D1BC82512FA1BC5283B0A32999" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_349A39FC7A3F5E5D9A52C35966C22D26" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValueAbstract_774824D1BC82512FA1BC5283B0A32999" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_C965E877037251D7AF57B2CECBA73B5D" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValueAbstract_774824D1BC82512FA1BC5283B0A32999" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_C965E877037251D7AF57B2CECBA73B5D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_FA9A9BEFCF05587BB0DF598C53EF3C61" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValueAbstract_774824D1BC82512FA1BC5283B0A32999" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_FA9A9BEFCF05587BB0DF598C53EF3C61" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_9AD262E23ED7545298784B6EFEABD28C" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValueAbstract_774824D1BC82512FA1BC5283B0A32999" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_9AD262E23ED7545298784B6EFEABD28C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_2A7FC2110085508ABC912A4A15E4C526" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValueAbstract_774824D1BC82512FA1BC5283B0A32999" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_2A7FC2110085508ABC912A4A15E4C526" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_68ED9F9F527F5778AF9F9318EC62CC22" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValueAbstract_774824D1BC82512FA1BC5283B0A32999" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_68ED9F9F527F5778AF9F9318EC62CC22" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/ShareBasedCompensationStockOptionsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_6B0AE09BE42F585576E7B16534C4754C" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_13FB1DC2ED62D1B032FBB16534C4E4DB" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_6B0AE09BE42F585576E7B16534C4754C" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_13FB1DC2ED62D1B032FBB16534C4E4DB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_973438653AA90C24B510B16534C48BA6" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_13FB1DC2ED62D1B032FBB16534C4E4DB" xlink:to="loc_us-gaap_AwardTypeAxis_973438653AA90C24B510B16534C48BA6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_7C28CCB4991A61AFB5C3B16534C42911" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis_973438653AA90C24B510B16534C48BA6" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_7C28CCB4991A61AFB5C3B16534C42911" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EmployeeStockOptionMember" xlink:label="loc_us-gaap_EmployeeStockOptionMember_9A0EFB8B302CEFFA0A85B16534C4A290" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_7C28CCB4991A61AFB5C3B16534C42911" xlink:to="loc_us-gaap_EmployeeStockOptionMember_9A0EFB8B302CEFFA0A85B16534C4A290" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_98855D495EBE63AAFE95B16534C449A8" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_13FB1DC2ED62D1B032FBB16534C4E4DB" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_98855D495EBE63AAFE95B16534C449A8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_9F20826921ACE3B7667AB16534C52D8D" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_98855D495EBE63AAFE95B16534C449A8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_9F20826921ACE3B7667AB16534C52D8D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_9BAFDA57480382F24A6DB16534C524BE" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_9F20826921ACE3B7667AB16534C52D8D" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_9BAFDA57480382F24A6DB16534C524BE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_A136434F099E97031E33B16534C5AE5C" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_9F20826921ACE3B7667AB16534C52D8D" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_A136434F099E97031E33B16534C5AE5C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_CF6B0AFA6D3355999710B16534C57DA5" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_9F20826921ACE3B7667AB16534C52D8D" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_CF6B0AFA6D3355999710B16534C57DA5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_F09E26CD258F391A6748B16534C5BCDC" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_9F20826921ACE3B7667AB16534C52D8D" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_F09E26CD258F391A6748B16534C5BCDC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_5E2D5A43663D87947EB6B16534C5A182" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_9F20826921ACE3B7667AB16534C52D8D" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_5E2D5A43663D87947EB6B16534C5A182" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_DC11B6F9721D2FFBBBA7B16534C57EF3" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_98855D495EBE63AAFE95B16534C449A8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_DC11B6F9721D2FFBBBA7B16534C57EF3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_FE34F33289EF57795035B16534C5955D" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_DC11B6F9721D2FFBBBA7B16534C57EF3" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_FE34F33289EF57795035B16534C5955D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_04BE355C376A4CF02982B16534C56B34" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_DC11B6F9721D2FFBBBA7B16534C57EF3" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_04BE355C376A4CF02982B16534C56B34" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_05920D4A6EDE586AB707B16534C5BD86" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_DC11B6F9721D2FFBBBA7B16534C57EF3" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_05920D4A6EDE586AB707B16534C5BD86" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_524A215DE0571BA6CE4AB16534C51504" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_DC11B6F9721D2FFBBBA7B16534C57EF3" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_524A215DE0571BA6CE4AB16534C51504" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_BA48577B54F6CE6B60D0B16534C5C0C1" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_DC11B6F9721D2FFBBBA7B16534C57EF3" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_BA48577B54F6CE6B60D0B16534C5C0C1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_C4A27C93AF3609CEFE6AB16534C5AA11" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_98855D495EBE63AAFE95B16534C449A8" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_C4A27C93AF3609CEFE6AB16534C5AA11" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_BC7582CC34767611F869B16534C5F5E1" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_98855D495EBE63AAFE95B16534C449A8" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_BC7582CC34767611F869B16534C5F5E1" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/ShareBasedCompensationTables" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_0959761E49BE5F0F8643F7C092F2426C" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_10D1BDE79C1B5CCD92D63DD32725DDBC" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_0959761E49BE5F0F8643F7C092F2426C" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_10D1BDE79C1B5CCD92D63DD32725DDBC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfOtherShareBasedCompensationActivityTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfOtherShareBasedCompensationActivityTableTextBlock_D4C2C74D19C85CC2A22F9DEE8F56C6DE" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_0959761E49BE5F0F8643F7C092F2426C" xlink:to="loc_us-gaap_ScheduleOfOtherShareBasedCompensationActivityTableTextBlock_D4C2C74D19C85CC2A22F9DEE8F56C6DE" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/UnauditedCondensedConsolidatedStatementsOfCashFlows" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="loc_us-gaap_StatementOfCashFlowsAbstract_D916980C404C16692977E1FD8582D733" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_71440E7F242CCECD66E9E1FD8582A955" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_D916980C404C16692977E1FD8582D733" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_71440E7F242CCECD66E9E1FD8582A955" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_55DE95EA94137583C000E1FD85825BAF" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_71440E7F242CCECD66E9E1FD8582A955" xlink:to="loc_us-gaap_ProfitLoss_55DE95EA94137583C000E1FD85825BAF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_D0B706B69A44F741703FE1FD858205E3" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_71440E7F242CCECD66E9E1FD8582A955" xlink:to="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_D0B706B69A44F741703FE1FD858205E3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_0ECF3CA44B35196EB302E1FD8582FDD4" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_D0B706B69A44F741703FE1FD858205E3" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_0ECF3CA44B35196EB302E1FD8582FDD4" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_DeferredIncomeTaxNoncashExpenseBenefit" xlink:label="loc_mg_DeferredIncomeTaxNoncashExpenseBenefit_34A0B8187C5E58B37CF4E1FD85826AFC" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_D0B706B69A44F741703FE1FD858205E3" xlink:to="loc_mg_DeferredIncomeTaxNoncashExpenseBenefit_34A0B8187C5E58B37CF4E1FD85826AFC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_us-gaap_ShareBasedCompensation_F8489BA5892B535BFDD2E1FD858287A8" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_D0B706B69A44F741703FE1FD858205E3" xlink:to="loc_us-gaap_ShareBasedCompensation_F8489BA5892B535BFDD2E1FD858287A8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_9F375F1718FF84E39D55E1FD85825E09" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_D0B706B69A44F741703FE1FD858205E3" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_9F375F1718FF84E39D55E1FD85825E09" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentFinancialLiabilities" xlink:label="loc_us-gaap_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentFinancialLiabilities_36D704D13D584D29FD64E1FD858211D4" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_D0B706B69A44F741703FE1FD858205E3" xlink:to="loc_us-gaap_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentFinancialLiabilities_36D704D13D584D29FD64E1FD858211D4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherNoncashIncomeExpense" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_D4DBFC70F27AB3973E7AE1FD8582407A" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_D0B706B69A44F741703FE1FD858205E3" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_D4DBFC70F27AB3973E7AE1FD8582407A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_B1139BDB1BA1AB46A201E1FD85823C5C" xlink:type="locator" />
    <link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_D0B706B69A44F741703FE1FD858205E3" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_B1139BDB1BA1AB46A201E1FD85823C5C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_F17D0D928DE9C73F4D1BE1FD85821365" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_B1139BDB1BA1AB46A201E1FD85823C5C" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_F17D0D928DE9C73F4D1BE1FD85821365" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInInventories" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_C5B7912B7C153BB14675E1FD85821309" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_B1139BDB1BA1AB46A201E1FD85823C5C" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_C5B7912B7C153BB14675E1FD85821309" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_1FD0E2233DA07B4130F7E1FD858207C0" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_B1139BDB1BA1AB46A201E1FD85823C5C" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_1FD0E2233DA07B4130F7E1FD858207C0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableTrade" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableTrade_302013BEDD451A52A9B6E1FD8582F21F" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_B1139BDB1BA1AB46A201E1FD85823C5C" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableTrade_302013BEDD451A52A9B6E1FD8582F21F" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_IncreaseDecreaseInOtherAccruedLiabilitiesAndDeferredLiabilities" xlink:label="loc_mg_IncreaseDecreaseInOtherAccruedLiabilitiesAndDeferredLiabilities_3E191EE080188ACE850CE1FD85824E8E" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_B1139BDB1BA1AB46A201E1FD85823C5C" xlink:to="loc_mg_IncreaseDecreaseInOtherAccruedLiabilitiesAndDeferredLiabilities_3E191EE080188ACE850CE1FD85824E8E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_18A3D0A36A1ABC0BEB1BE1FD8582D4CA" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_B1139BDB1BA1AB46A201E1FD85823C5C" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_18A3D0A36A1ABC0BEB1BE1FD8582D4CA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_5C2905E7C9B88052195DE1FD8582E502" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_71440E7F242CCECD66E9E1FD8582A955" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_5C2905E7C9B88052195DE1FD8582E502" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_C6C94C08E7C99D1505F9E1FD85821EE7" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_D916980C404C16692977E1FD8582D733" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_C6C94C08E7C99D1505F9E1FD85821EE7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_379EA50DF27591304BD2E1FD85822C96" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_C6C94C08E7C99D1505F9E1FD85821EE7" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_379EA50DF27591304BD2E1FD85822C96" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_PaymentsToAcquireIntangibleAssetsAndSoftware" xlink:label="loc_mg_PaymentsToAcquireIntangibleAssetsAndSoftware_B61E53B282C1F02C5393E1FD8582F704" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_C6C94C08E7C99D1505F9E1FD85821EE7" xlink:to="loc_mg_PaymentsToAcquireIntangibleAssetsAndSoftware_B61E53B282C1F02C5393E1FD8582F704" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_C1C89FBF7FB0C3F9641CE1FD8582F89C" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_C6C94C08E7C99D1505F9E1FD85821EE7" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_C1C89FBF7FB0C3F9641CE1FD8582F89C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_00716CEE54E0D969ED3CE1FD8582B6EF" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_C6C94C08E7C99D1505F9E1FD85821EE7" xlink:to="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_00716CEE54E0D969ED3CE1FD8582B6EF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_465F63682D1C63EA3560E1FD8582092C" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_C6C94C08E7C99D1505F9E1FD85821EE7" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_465F63682D1C63EA3560E1FD8582092C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_815A007C606577F0ECE4E1FD8582196F" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_D916980C404C16692977E1FD8582D733" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_815A007C606577F0ECE4E1FD8582196F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RepaymentsOfLongTermCapitalLeaseObligations" xlink:label="loc_us-gaap_RepaymentsOfLongTermCapitalLeaseObligations_577011D289CD9AC64019E1FD858274D6" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_815A007C606577F0ECE4E1FD8582196F" xlink:to="loc_us-gaap_RepaymentsOfLongTermCapitalLeaseObligations_577011D289CD9AC64019E1FD858274D6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_1B6CF1FC85E538CD2B70E1FD85821B95" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_815A007C606577F0ECE4E1FD8582196F" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_1B6CF1FC85E538CD2B70E1FD85821B95" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_CA4378630FF9012B96ACE1FD8582990F" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_815A007C606577F0ECE4E1FD8582196F" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebt_CA4378630FF9012B96ACE1FD8582990F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromLinesOfCredit" xlink:label="loc_us-gaap_ProceedsFromLinesOfCredit_2012646AD25EE0B19D2BE1FD85824290" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_815A007C606577F0ECE4E1FD8582196F" xlink:to="loc_us-gaap_ProceedsFromLinesOfCredit_2012646AD25EE0B19D2BE1FD85824290" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RepaymentsOfLinesOfCredit" xlink:label="loc_us-gaap_RepaymentsOfLinesOfCredit_68F9903B1FB71A721F76E1FD85822480" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_815A007C606577F0ECE4E1FD8582196F" xlink:to="loc_us-gaap_RepaymentsOfLinesOfCredit_68F9903B1FB71A721F76E1FD85822480" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_PaymentsOfContingentConsiderationForBusinessAcquisitions" xlink:label="loc_mg_PaymentsOfContingentConsiderationForBusinessAcquisitions_AC23865B582816B4C1DDE1FD858247EA" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_815A007C606577F0ECE4E1FD8582196F" xlink:to="loc_mg_PaymentsOfContingentConsiderationForBusinessAcquisitions_AC23865B582816B4C1DDE1FD858247EA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_F78D3DDEE37D558DF1C7E1FD85823A43" xlink:type="locator" />
    <link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_815A007C606577F0ECE4E1FD8582196F" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_F78D3DDEE37D558DF1C7E1FD85823A43" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_8354BF39A02220C7B413E1FD8582D9BD" xlink:type="locator" />
    <link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_815A007C606577F0ECE4E1FD8582196F" xlink:to="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_8354BF39A02220C7B413E1FD8582D9BD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:label="loc_us-gaap_ProceedsFromStockOptionsExercised_B802258C82F38D384480E1FD858270B5" xlink:type="locator" />
    <link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_815A007C606577F0ECE4E1FD8582196F" xlink:to="loc_us-gaap_ProceedsFromStockOptionsExercised_B802258C82F38D384480E1FD858270B5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_81D79EF81E9D882C2771E1FD85828D73" xlink:type="locator" />
    <link:presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_815A007C606577F0ECE4E1FD8582196F" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_81D79EF81E9D882C2771E1FD85828D73" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations_08817B148919A6EF7E57E1FD8582049B" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_D916980C404C16692977E1FD8582D733" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations_08817B148919A6EF7E57E1FD8582049B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInContinuingOperations" xlink:label="loc_us-gaap_NetCashProvidedByUsedInContinuingOperations_BFDCE9A26D7CBEFB3A5EE1FD85828C4F" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_D916980C404C16692977E1FD8582D733" xlink:to="loc_us-gaap_NetCashProvidedByUsedInContinuingOperations_BFDCE9A26D7CBEFB3A5EE1FD85828C4F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_5ED1B6C12B3ECEF96FAEE1FD8582C450" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_D916980C404C16692977E1FD8582D733" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_5ED1B6C12B3ECEF96FAEE1FD8582C450" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_53E32285AF8752F6C459E1FD85823847" xlink:type="locator" />
    <link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_D916980C404C16692977E1FD8582D733" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_53E32285AF8752F6C459E1FD85823847" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SupplementalCashFlowInformationAbstract" xlink:label="loc_us-gaap_SupplementalCashFlowInformationAbstract_7AB9E198EBC7A1056DD6E1FD8582E4E4" xlink:type="locator" />
    <link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_D916980C404C16692977E1FD8582D733" xlink:to="loc_us-gaap_SupplementalCashFlowInformationAbstract_7AB9E198EBC7A1056DD6E1FD8582E4E4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestPaid" xlink:label="loc_us-gaap_InterestPaid_4C2E545E1DC371A684C2E1FD8582F958" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract_7AB9E198EBC7A1056DD6E1FD8582E4E4" xlink:to="loc_us-gaap_InterestPaid_4C2E545E1DC371A684C2E1FD8582F958" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxesPaid" xlink:label="loc_us-gaap_IncomeTaxesPaid_1FE8A5568E7E5C884817E1FD8582A687" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract_7AB9E198EBC7A1056DD6E1FD8582E4E4" xlink:to="loc_us-gaap_IncomeTaxesPaid_1FE8A5568E7E5C884817E1FD8582A687" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:label="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_9D5D405BEDFFE8B5A232E1FD858258F6" xlink:type="locator" />
    <link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_D916980C404C16692977E1FD8582D733" xlink:to="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_9D5D405BEDFFE8B5A232E1FD858258F6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CapitalLeaseObligationsIncurred" xlink:label="loc_us-gaap_CapitalLeaseObligationsIncurred_7944E5378A9FBDBDA489E1FD85822B84" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_9D5D405BEDFFE8B5A232E1FD858258F6" xlink:to="loc_us-gaap_CapitalLeaseObligationsIncurred_7944E5378A9FBDBDA489E1FD85822B84" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/UnauditedCondensedConsolidatedStatementsOfComprehensiveIncomeLoss" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xlink:label="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_45B01CF51D24500397E09D739719C7B9" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_97A0346FE9945310B60942F66D291729" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_45B01CF51D24500397E09D739719C7B9" xlink:to="loc_us-gaap_ProfitLoss_97A0346FE9945310B60942F66D291729" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_B40AA6B25CA659D3B63E4282B585E37B" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_45B01CF51D24500397E09D739719C7B9" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_B40AA6B25CA659D3B63E4282B585E37B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_AF7402FC11A75C56BD031CF155863369" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_B40AA6B25CA659D3B63E4282B585E37B" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_AF7402FC11A75C56BD031CF155863369" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_B3DDEC369BC058308FDF7B88796DE372" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_45B01CF51D24500397E09D739719C7B9" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_B3DDEC369BC058308FDF7B88796DE372" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_7C71516C7A1E54F983855424A7C304FD" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_45B01CF51D24500397E09D739719C7B9" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_7C71516C7A1E54F983855424A7C304FD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_8E3F0497AA6357FB876831E25E87DD36" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_45B01CF51D24500397E09D739719C7B9" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTax_8E3F0497AA6357FB876831E25E87DD36" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.mistrasgroup.com/role/UnauditedCondensedConsolidatedStatementsOfIncomeLoss" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="loc_us-gaap_IncomeStatementAbstract_FA9BF30980D9573B9805023548A4125F" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_EE054EA2986336F00682023E72A1248F" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_FA9BF30980D9573B9805023548A4125F" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_EE054EA2986336F00682023E72A1248F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CostOfGoodsSoldExcludingDepreciationDepletionAndAmortization" xlink:label="loc_us-gaap_CostOfGoodsSoldExcludingDepreciationDepletionAndAmortization_487CA0B2981B19B7D96A023548A40578" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_FA9BF30980D9573B9805023548A4125F" xlink:to="loc_us-gaap_CostOfGoodsSoldExcludingDepreciationDepletionAndAmortization_487CA0B2981B19B7D96A023548A40578" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CostOfGoodsSoldDepreciation" xlink:label="loc_us-gaap_CostOfGoodsSoldDepreciation_75F8ED4488A5F3F97D5D023548A4893C" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_FA9BF30980D9573B9805023548A4125F" xlink:to="loc_us-gaap_CostOfGoodsSoldDepreciation_75F8ED4488A5F3F97D5D023548A4893C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GrossProfit" xlink:label="loc_us-gaap_GrossProfit_A0FCDE73517D9EE795DA023548A4983D" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_FA9BF30980D9573B9805023548A4125F" xlink:to="loc_us-gaap_GrossProfit_A0FCDE73517D9EE795DA023548A4983D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_1BA7C1AD1FD364208AB6023548A5952B" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_FA9BF30980D9573B9805023548A4125F" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_1BA7C1AD1FD364208AB6023548A5952B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_BDF83C54D866C477699B023548A5D482" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_FA9BF30980D9573B9805023548A4125F" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_BDF83C54D866C477699B023548A5D482" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="loc_us-gaap_DepreciationAndAmortization_83AC05F8C32D19F2B862023548A56B2A" xlink:type="locator" />
    <link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_FA9BF30980D9573B9805023548A4125F" xlink:to="loc_us-gaap_DepreciationAndAmortization_83AC05F8C32D19F2B862023548A56B2A" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_AcquisitionRelatedCostsAndFairValueAdjustmentsToInitialPurchasePriceAllocation" xlink:label="loc_mg_AcquisitionRelatedCostsAndFairValueAdjustmentsToInitialPurchasePriceAllocation_853D99E4BB684E6BA198023548A5344A" xlink:type="locator" />
    <link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_FA9BF30980D9573B9805023548A4125F" xlink:to="loc_mg_AcquisitionRelatedCostsAndFairValueAdjustmentsToInitialPurchasePriceAllocation_853D99E4BB684E6BA198023548A5344A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_7EA5302275C5004E0A88023548A555FC" xlink:type="locator" />
    <link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_FA9BF30980D9573B9805023548A4125F" xlink:to="loc_us-gaap_OperatingIncomeLoss_7EA5302275C5004E0A88023548A555FC" xlink:type="arc" />
    <link:loc xlink:href="mg-20180630.xsd#mg_InterestExpenseAndAmortizationOfDeferredCharges" xlink:label="loc_mg_InterestExpenseAndAmortizationOfDeferredCharges_0C3C627768B027402240023548A50E97" xlink:type="locator" />
    <link:presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_FA9BF30980D9573B9805023548A4125F" xlink:to="loc_mg_InterestExpenseAndAmortizationOfDeferredCharges_0C3C627768B027402240023548A50E97" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_19FCAC1825A5DCF8B886023548A6FF3A" xlink:type="locator" />
    <link:presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_FA9BF30980D9573B9805023548A4125F" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_19FCAC1825A5DCF8B886023548A6FF3A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_40A95FD14AF78D2DBA41023548A6B9B3" xlink:type="locator" />
    <link:presentationArc order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_FA9BF30980D9573B9805023548A4125F" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_40A95FD14AF78D2DBA41023548A6B9B3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_9BA70E105828AA871DC4023548A6B266" xlink:type="locator" />
    <link:presentationArc order="13" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_FA9BF30980D9573B9805023548A4125F" xlink:to="loc_us-gaap_ProfitLoss_9BA70E105828AA871DC4023548A6B266" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_74103DA7B400A159FB19023548A6C84F" xlink:type="locator" />
    <link:presentationArc order="14" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_FA9BF30980D9573B9805023548A4125F" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_74103DA7B400A159FB19023548A6C84F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_49E8DF2B6036BE92B6DC023548A602E2" xlink:type="locator" />
    <link:presentationArc order="15" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_FA9BF30980D9573B9805023548A4125F" xlink:to="loc_us-gaap_NetIncomeLoss_49E8DF2B6036BE92B6DC023548A602E2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="loc_us-gaap_EarningsPerShareAbstract_A6AAE6AD7B5556D54B1B023548A63608" xlink:type="locator" />
    <link:presentationArc order="16" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_FA9BF30980D9573B9805023548A4125F" xlink:to="loc_us-gaap_EarningsPerShareAbstract_A6AAE6AD7B5556D54B1B023548A63608" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsPerBasicShare" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_B7FFE7777067AE473F72023548A7715E" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_A6AAE6AD7B5556D54B1B023548A63608" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_B7FFE7777067AE473F72023548A7715E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_37123D3629994F4F32A0023548A732AD" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_A6AAE6AD7B5556D54B1B023548A63608" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_37123D3629994F4F32A0023548A732AD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_84F6350B522294120867023548A7957B" xlink:type="locator" />
    <link:presentationArc order="17" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_FA9BF30980D9573B9805023548A4125F" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_84F6350B522294120867023548A7957B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_518568266538481D428D023548A7D839" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_84F6350B522294120867023548A7957B" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_518568266538481D428D023548A7D839" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_5119796384A0924E77A4023548A8E0BA" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_84F6350B522294120867023548A7957B" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_5119796384A0924E77A4023548A8E0BA" xlink:type="arc" />
  </link:presentationLink>
</link:linkbase>
