﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.irs.gov/efile" returnVersion="2024v5.2">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2025-06-25T11:01:52-05:00</ReturnTs>
    <TaxPeriodEndDt>2024-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>131577780</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>SCHULTHEIS &amp; PANETTIERI LLP</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>450 WIRELESS BLVD</AddressLine1Txt>
        <CityNm>HAUPPAUGE</CityNm>
        <StateAbbreviationCd>NY</StateAbbreviationCd>
        <ZIPCd>11788</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990</ReturnTypeCd>
    <TaxPeriodBeginDt>2024-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>042123707</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>INTERNATIONAL UNION OF OPERATING</BusinessNameLine1Txt>
        <BusinessNameLine2Txt>ENGINEERS LOCAL 98 HEALTH &amp; WELFARE FUND</BusinessNameLine2Txt>
      </BusinessName>
      <BusinessNameControlTxt>INTE</BusinessNameControlTxt>
      <PhoneNum>4139983230</PhoneNum>
      <USAddress>
        <AddressLine1Txt>PO BOX 1290</AddressLine1Txt>
        <CityNm>SOUTHWICK</CityNm>
        <StateAbbreviationCd>MA</StateAbbreviationCd>
        <ZIPCd>010771290</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>KARA RICHOTTE</PersonNm>
      <PersonTitleTxt>FUND ADMINISTRATOR</PersonTitleTxt>
      <PhoneNum>4139983230</PhoneNum>
      <SignatureDt>2025-06-25</SignatureDt>
      <DiscussWithPaidPreparerInd>1</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>1</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>CAROL WESTFALL</PreparerPersonNm>
      <PTIN>P00539069</PTIN>
      <PhoneNum>6312734778</PhoneNum>
    </PreparerPersonGrp>
    <TaxYr>2024</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="5">
    <IRS990 documentId="RetDoc1038000001" referenceDocumentId="RetDoc1044400001">
      <PrincipalOfficerNm>KARA A RICHOTTE</PrincipalOfficerNm>
      <USAddress>
        <AddressLine1Txt>PO BOX 1290</AddressLine1Txt>
        <CityNm>SOUTHWICK</CityNm>
        <StateAbbreviationCd>MA</StateAbbreviationCd>
        <ZIPCd>010771290</ZIPCd>
      </USAddress>
      <GrossReceiptsAmt>16913598</GrossReceiptsAmt>
      <GroupReturnForAffiliatesInd>0</GroupReturnForAffiliatesInd>
      <Organization501cInd organization501cTypeTxt="9">X</Organization501cInd>
      <WebsiteAddressTxt>WWW.IUOELOCAL98.ORG</WebsiteAddressTxt>
      <TypeOfOrganizationTrustInd>X</TypeOfOrganizationTrustInd>
      <FormationYr>1959</FormationYr>
      <LegalDomicileStateCd>MA</LegalDomicileStateCd>
      <ActivityOrMissionDesc>TO PROVIDE HEALTH CARE AND DEATH BENEFITS TO ELIGIBLE PARTICIPANTS AND THEIR DEPENDENTS.</ActivityOrMissionDesc>
      <VotingMembersGoverningBodyCnt>6</VotingMembersGoverningBodyCnt>
      <VotingMembersIndependentCnt>3</VotingMembersIndependentCnt>
      <TotalEmployeeCnt>5</TotalEmployeeCnt>
      <TotalVolunteersCnt>0</TotalVolunteersCnt>
      <TotalGrossUBIAmt>0</TotalGrossUBIAmt>
      <NetUnrelatedBusTxblIncmAmt>0</NetUnrelatedBusTxblIncmAmt>
      <PYContributionsGrantsAmt>0</PYContributionsGrantsAmt>
      <CYContributionsGrantsAmt>0</CYContributionsGrantsAmt>
      <PYProgramServiceRevenueAmt>16285580</PYProgramServiceRevenueAmt>
      <CYProgramServiceRevenueAmt>16371873</CYProgramServiceRevenueAmt>
      <PYInvestmentIncomeAmt>383061</PYInvestmentIncomeAmt>
      <CYInvestmentIncomeAmt>541725</CYInvestmentIncomeAmt>
      <PYOtherRevenueAmt>0</PYOtherRevenueAmt>
      <CYOtherRevenueAmt>0</CYOtherRevenueAmt>
      <PYTotalRevenueAmt>16668641</PYTotalRevenueAmt>
      <CYTotalRevenueAmt>16913598</CYTotalRevenueAmt>
      <PYGrantsAndSimilarPaidAmt>0</PYGrantsAndSimilarPaidAmt>
      <CYGrantsAndSimilarPaidAmt>0</CYGrantsAndSimilarPaidAmt>
      <PYBenefitsPaidToMembersAmt>14272965</PYBenefitsPaidToMembersAmt>
      <CYBenefitsPaidToMembersAmt>14615415</CYBenefitsPaidToMembersAmt>
      <PYSalariesCompEmpBnftPaidAmt>645775</PYSalariesCompEmpBnftPaidAmt>
      <CYSalariesCompEmpBnftPaidAmt>682318</CYSalariesCompEmpBnftPaidAmt>
      <PYTotalProfFndrsngExpnsAmt>0</PYTotalProfFndrsngExpnsAmt>
      <CYTotalProfFndrsngExpnsAmt>0</CYTotalProfFndrsngExpnsAmt>
      <CYTotalFundraisingExpenseAmt>0</CYTotalFundraisingExpenseAmt>
      <PYOtherExpensesAmt>-6283</PYOtherExpensesAmt>
      <CYOtherExpensesAmt>-11847</CYOtherExpensesAmt>
      <PYTotalExpensesAmt>14912457</PYTotalExpensesAmt>
      <CYTotalExpensesAmt>15285886</CYTotalExpensesAmt>
      <PYRevenuesLessExpensesAmt>1756184</PYRevenuesLessExpensesAmt>
      <CYRevenuesLessExpensesAmt>1627712</CYRevenuesLessExpensesAmt>
      <TotalAssetsBOYAmt>20103623</TotalAssetsBOYAmt>
      <TotalAssetsEOYAmt>21914140</TotalAssetsEOYAmt>
      <TotalLiabilitiesBOYAmt>434167</TotalLiabilitiesBOYAmt>
      <TotalLiabilitiesEOYAmt>324647</TotalLiabilitiesEOYAmt>
      <NetAssetsOrFundBalancesBOYAmt>19669456</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>21589493</NetAssetsOrFundBalancesEOYAmt>
      <MissionDesc>TO PROVIDE HEALTH CARE AND DEATH BENEFITS TO ELIGIBLE PARTICIPANTS AND THEIR DEPENDENTS.</MissionDesc>
      <SignificantNewProgramSrvcInd>0</SignificantNewProgramSrvcInd>
      <SignificantChangeInd>0</SignificantChangeInd>
      <Desc>TO PROVIDE HEALTH CARE AND DEATH BENEFITS TO ELIGIBLE PARTICIPANTS AND THEIR DEPENDENTS.</Desc>
      <DescribedInSection501c3Ind>0</DescribedInSection501c3Ind>
      <ScheduleBRequiredInd>0</ScheduleBRequiredInd>
      <PoliticalCampaignActyInd>0</PoliticalCampaignActyInd>
      <SubjectToProxyTaxInd>0</SubjectToProxyTaxInd>
      <DonorAdvisedFundInd referenceDocumentId="RetDoc1040000001">0</DonorAdvisedFundInd>
      <ConservationEasementsInd referenceDocumentId="RetDoc1040000001">0</ConservationEasementsInd>
      <CollectionsOfArtInd referenceDocumentId="RetDoc1040000001">0</CollectionsOfArtInd>
      <CreditCounselingInd referenceDocumentId="RetDoc1040000001">0</CreditCounselingInd>
      <DonorRstrOrQuasiEndowmentsInd>0</DonorRstrOrQuasiEndowmentsInd>
      <ReportLandBuildingEquipmentInd referenceDocumentId="RetDoc1040000001">1</ReportLandBuildingEquipmentInd>
      <ReportInvestmentsOtherSecInd referenceDocumentId="RetDoc1040000001">0</ReportInvestmentsOtherSecInd>
      <ReportProgramRelatedInvstInd referenceDocumentId="RetDoc1040000001">0</ReportProgramRelatedInvstInd>
      <ReportOtherAssetsInd referenceDocumentId="RetDoc1040000001">0</ReportOtherAssetsInd>
      <ReportOtherLiabilitiesInd referenceDocumentId="RetDoc1040000001">1</ReportOtherLiabilitiesInd>
      <IncludeFIN48FootnoteInd referenceDocumentId="RetDoc1040000001">0</IncludeFIN48FootnoteInd>
      <IndependentAuditFinclStmtInd referenceDocumentId="RetDoc1040000001">1</IndependentAuditFinclStmtInd>
      <ConsolidatedAuditFinclStmtInd referenceDocumentId="RetDoc1040000001">0</ConsolidatedAuditFinclStmtInd>
      <SchoolOperatingInd>0</SchoolOperatingInd>
      <ForeignOfficeInd>0</ForeignOfficeInd>
      <ForeignActivitiesInd>0</ForeignActivitiesInd>
      <MoreThan5000KToOrgInd>0</MoreThan5000KToOrgInd>
      <MoreThan5000KToIndividualsInd>0</MoreThan5000KToIndividualsInd>
      <ProfessionalFundraisingInd>0</ProfessionalFundraisingInd>
      <FundraisingActivitiesInd>0</FundraisingActivitiesInd>
      <GamingActivitiesInd>0</GamingActivitiesInd>
      <OperateHospitalInd>0</OperateHospitalInd>
      <GrantsToOrganizationsInd>0</GrantsToOrganizationsInd>
      <GrantsToIndividualsInd>0</GrantsToIndividualsInd>
      <ScheduleJRequiredInd referenceDocumentId="RetDoc1042400001">1</ScheduleJRequiredInd>
      <TaxExemptBondsInd>0</TaxExemptBondsInd>
      <LoanOutstandingInd>0</LoanOutstandingInd>
      <GrantToRelatedPersonInd>0</GrantToRelatedPersonInd>
      <BusinessRlnWithOrgMemInd>0</BusinessRlnWithOrgMemInd>
      <BusinessRlnWithFamMemInd>0</BusinessRlnWithFamMemInd>
      <BusinessRlnWith35CtrlEntInd>0</BusinessRlnWith35CtrlEntInd>
      <DeductibleNonCashContriInd>0</DeductibleNonCashContriInd>
      <DeductibleArtContributionInd>0</DeductibleArtContributionInd>
      <TerminateOperationsInd>0</TerminateOperationsInd>
      <PartialLiquidationInd>0</PartialLiquidationInd>
      <DisregardedEntityInd referenceDocumentId="RetDoc1043400001">0</DisregardedEntityInd>
      <RelatedEntityInd referenceDocumentId="RetDoc1043400001">1</RelatedEntityInd>
      <RelatedOrganizationCtrlEntInd>0</RelatedOrganizationCtrlEntInd>
      <ActivitiesConductedPrtshpInd referenceDocumentId="RetDoc1043400001">0</ActivitiesConductedPrtshpInd>
      <ScheduleORequiredInd>1</ScheduleORequiredInd>
      <IRPDocumentCnt>8</IRPDocumentCnt>
      <IRPDocumentW2GCnt>0</IRPDocumentW2GCnt>
      <BackupWthldComplianceInd>1</BackupWthldComplianceInd>
      <EmployeeCnt>5</EmployeeCnt>
      <EmploymentTaxReturnsFiledInd>1</EmploymentTaxReturnsFiledInd>
      <UnrelatedBusIncmOverLimitInd>0</UnrelatedBusIncmOverLimitInd>
      <ForeignFinancialAccountInd>0</ForeignFinancialAccountInd>
      <ProhibitedTaxShelterTransInd>0</ProhibitedTaxShelterTransInd>
      <TaxablePartyNotificationInd>0</TaxablePartyNotificationInd>
      <NondeductibleContributionsInd>0</NondeductibleContributionsInd>
      <IndoorTanningServicesInd>0</IndoorTanningServicesInd>
      <SubjToTaxRmnrtnExPrchtPymtInd>0</SubjToTaxRmnrtnExPrchtPymtInd>
      <SubjectToExcsTaxNetInvstIncInd>0</SubjectToExcsTaxNetInvstIncInd>
      <InfoInScheduleOPartVIInd>X</InfoInScheduleOPartVIInd>
      <GoverningBodyVotingMembersCnt>6</GoverningBodyVotingMembersCnt>
      <IndependentVotingMemberCnt>3</IndependentVotingMemberCnt>
      <FamilyOrBusinessRlnInd>0</FamilyOrBusinessRlnInd>
      <DelegationOfMgmtDutiesInd>0</DelegationOfMgmtDutiesInd>
      <ChangeToOrgDocumentsInd>0</ChangeToOrgDocumentsInd>
      <MaterialDiversionOrMisuseInd>0</MaterialDiversionOrMisuseInd>
      <MembersOrStockholdersInd>0</MembersOrStockholdersInd>
      <ElectionOfBoardMembersInd>1</ElectionOfBoardMembersInd>
      <DecisionsSubjectToApprovaInd>0</DecisionsSubjectToApprovaInd>
      <MinutesOfGoverningBodyInd>1</MinutesOfGoverningBodyInd>
      <MinutesOfCommitteesInd>1</MinutesOfCommitteesInd>
      <OfficerMailingAddressInd>0</OfficerMailingAddressInd>
      <LocalChaptersInd>0</LocalChaptersInd>
      <Form990ProvidedToGvrnBodyInd>1</Form990ProvidedToGvrnBodyInd>
      <ConflictOfInterestPolicyInd>1</ConflictOfInterestPolicyInd>
      <AnnualDisclosureCoveredPrsnInd>1</AnnualDisclosureCoveredPrsnInd>
      <RegularMonitoringEnfrcInd>1</RegularMonitoringEnfrcInd>
      <WhistleblowerPolicyInd>1</WhistleblowerPolicyInd>
      <DocumentRetentionPolicyInd>1</DocumentRetentionPolicyInd>
      <CompensationProcessCEOInd>0</CompensationProcessCEOInd>
      <CompensationProcessOtherInd>0</CompensationProcessOtherInd>
      <InvestmentInJointVentureInd>0</InvestmentInJointVentureInd>
      <UponRequestInd>X</UponRequestInd>
      <BooksInCareOfDetail>
        <BusinessName>
          <BusinessNameLine1Txt>KARA RICHOTTE ADMINISTRATOR</BusinessNameLine1Txt>
        </BusinessName>
        <PhoneNum>4139983230</PhoneNum>
        <USAddress>
          <AddressLine1Txt>PO BOX 1290</AddressLine1Txt>
          <CityNm>SOUTHWICK</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>010771290</ZIPCd>
        </USAddress>
      </BooksInCareOfDetail>
      <Form990PartVIISectionAGrp>
        <PersonNm>WILLIAM D FAY</PersonNm>
        <TitleTxt>UNION TRUSTEE/CHAIRMAN - THRU 9/24</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>39.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>125219</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>79443</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DAVID KAZIMIERCZAK</PersonNm>
        <TitleTxt>UNION TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>39.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>105155</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>79443</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DARRIN AUGER</PersonNm>
        <TitleTxt>UNION TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>39.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>105521</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>79443</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>CHRISTOPHER GAGLIARDUCCI</PersonNm>
        <TitleTxt>EMPLOYER TRUSTEE/SECRETARY</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>3.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JENNA RAHKONEN</PersonNm>
        <TitleTxt>EMPLOYER TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>3.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JONATHAN PECOY</PersonNm>
        <TitleTxt>EMPLOYER TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>3.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DANIEL PRATS</PersonNm>
        <TitleTxt>UNION TRUSTEE - EFF 9/24</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>39.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>89151</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>67449</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>KARA RICHOTTE</PersonNm>
        <TitleTxt>FUND ADMINISTRATOR</TitleTxt>
        <AverageHoursPerWeekRt>13.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>27.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>124958</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>79745</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>124958</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>425046</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>385523</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>1</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>1</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>SCHULTHEIS &amp; PANETTIERI LLP</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>450 WIRELESS BOULEVARD</AddressLine1Txt>
            <CityNm>HAUPPAUGE</CityNm>
            <StateAbbreviationCd>NY</StateAbbreviationCd>
            <ZIPCd>117883740</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>ACCOUNTING/AUDITING</ServicesDesc>
        <CompensationAmt>257673</CompensationAmt>
      </ContractorCompensationGrp>
      <CntrctRcvdGreaterThan100KCnt>1</CntrctRcvdGreaterThan100KCnt>
      <ProgramServiceRevenueGrp>
        <Desc>EMPLOYERS' CONTRIB.</Desc>
        <BusinessCd>237310</BusinessCd>
        <TotalRevenueColumnAmt>16277269</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>16277269</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>PARTCIPANTS' CONTRIB.</Desc>
        <BusinessCd>237310</BusinessCd>
        <TotalRevenueColumnAmt>94604</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>94604</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>16371873</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>541725</TotalRevenueColumnAmt>
        <ExclusionAmt>541725</ExclusionAmt>
      </InvestmentIncomeGrp>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>16913598</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>16371873</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>541725</ExclusionAmt>
      </TotalRevenueGrp>
      <BenefitsToMembersGrp>
        <TotalAmt>14615415</TotalAmt>
      </BenefitsToMembersGrp>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>205244</TotalAmt>
      </CompCurrentOfcrDirectorsGrp>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>203755</TotalAmt>
      </OtherSalariesAndWagesGrp>
      <PensionPlanContributionsGrp>
        <TotalAmt>137700</TotalAmt>
      </PensionPlanContributionsGrp>
      <OtherEmployeeBenefitsGrp>
        <TotalAmt>86596</TotalAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>49023</TotalAmt>
      </PayrollTaxesGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>63316</TotalAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>257673</TotalAmt>
      </FeesForServicesAccountingGrp>
      <FeesForSrvcInvstMgmntFeesGrp>
        <TotalAmt>24800</TotalAmt>
      </FeesForSrvcInvstMgmntFeesGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>92000</TotalAmt>
      </FeesForServicesOtherGrp>
      <OfficeExpensesGrp>
        <TotalAmt>42865</TotalAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>103521</TotalAmt>
      </InformationTechnologyGrp>
      <OccupancyGrp>
        <TotalAmt>54768</TotalAmt>
      </OccupancyGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>16630</TotalAmt>
      </ConferencesMeetingsGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>3418</TotalAmt>
      </DepreciationDepletionGrp>
      <InsuranceGrp>
        <TotalAmt>48496</TotalAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>REIMB OF COLLECTION EXP</Desc>
        <TotalAmt>-122334</TotalAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>REIMB FROM REL. ORG.</Desc>
        <TotalAmt>-597000</TotalAmt>
      </OtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>15285886</TotalAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>5922980</BOYAmt>
        <EOYAmt>5084735</EOYAmt>
      </CashNonInterestBearingGrp>
      <AccountsReceivableGrp>
        <BOYAmt>1668501</BOYAmt>
        <EOYAmt>1519094</EOYAmt>
      </AccountsReceivableGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>1253158</BOYAmt>
        <EOYAmt>1271987</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipCostOrOtherBssAmt>64900</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>32962</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>14366</BOYAmt>
        <EOYAmt>31938</EOYAmt>
      </LandBldgEquipBasisNetGrp>
      <InvestmentsPubTradedSecGrp>
        <BOYAmt>11244618</BOYAmt>
        <EOYAmt>14006386</EOYAmt>
      </InvestmentsPubTradedSecGrp>
      <TotalAssetsGrp>
        <BOYAmt>20103623</BOYAmt>
        <EOYAmt>21914140</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>414167</BOYAmt>
        <EOYAmt>301647</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <OtherLiabilitiesGrp>
        <BOYAmt>20000</BOYAmt>
        <EOYAmt>23000</EOYAmt>
      </OtherLiabilitiesGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>434167</BOYAmt>
        <EOYAmt>324647</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrgDoesNotFollowFASB117Ind>X</OrgDoesNotFollowFASB117Ind>
      <CapStkTrPrinCurrentFundsGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </CapStkTrPrinCurrentFundsGrp>
      <PdInCapSrplsLandBldgEqpFundGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </PdInCapSrplsLandBldgEqpFundGrp>
      <RtnEarnEndowmentIncmOthFndsGrp>
        <BOYAmt>19669456</BOYAmt>
        <EOYAmt>21589493</EOYAmt>
      </RtnEarnEndowmentIncmOthFndsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>19669456</BOYAmt>
        <EOYAmt>21589493</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>20103623</BOYAmt>
        <EOYAmt>21914140</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>1627712</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>292325</NetUnrlzdGainsLossesInvstAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleD documentId="RetDoc1040000001">
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>64900</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>32962</DepreciationAmt>
        <BookValueAmt>31938</BookValueAmt>
      </EquipmentGrp>
      <TotalBookValueLandBuildingsAmt>31938</TotalBookValueLandBuildingsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>CLAIMS PAYABLE AND IBNR</Desc>
        <Amt>23000</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>23000</TotalLiabilityAmt>
      <TotalRevEtcAuditedFinclStmtAmt>17181123</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>292325</NetUnrealizedGainsInvstAmt>
      <RevenueNotReportedAmt>292325</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>16888798</RevenueSubtotalAmt>
      <InvestmentExpensesNotIncldAmt>24800</InvestmentExpensesNotIncldAmt>
      <RevenueNotReportedFinclStmtAmt>24800</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>16913598</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>15258086</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesNotReportedAmt>0</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>15258086</ExpensesSubtotalAmt>
      <InvestmentExpensesNotIncld2Amt>24800</InvestmentExpensesNotIncld2Amt>
      <OtherExpensesNotIncludedAmt>3000</OtherExpensesNotIncludedAmt>
      <ExpensesNotRptFinclStmtAmt>27800</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>15285886</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 4B - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>CHANGE IN CLAIMS PAYABLE AND IBNR 3,000.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>0</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>0</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>KARA RICHOTTE</PersonNm>
        <TitleTxt>FUND ADMINISTRATOR</TitleTxt>
        <BaseCompensationFilingOrgAmt>124417</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>541</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>50875</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>28870</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>204703</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>WILLIAM D FAY</PersonNm>
        <TitleTxt>UNION TRUSTEE/CHAIRMAN - THRU 9/24</TitleTxt>
        <BaseCompensationFilingOrgAmt>0</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>120085</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>642</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>4492</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>50406</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>29037</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>204662</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>DARRIN AUGER</PersonNm>
        <TitleTxt>UNION TRUSTEE</TitleTxt>
        <BaseCompensationFilingOrgAmt>0</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>101163</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>578</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>3780</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>50406</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>29037</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>184964</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>DAVID KAZIMIERCZAK</PersonNm>
        <TitleTxt>UNION TRUSTEE</TitleTxt>
        <BaseCompensationFilingOrgAmt>0</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>101274</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>655</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>3226</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>50406</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>29037</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>184598</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>DANIEL PRATS</PersonNm>
        <TitleTxt>UNION TRUSTEE - EFF 9/24</TitleTxt>
        <BaseCompensationFilingOrgAmt>0</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>85920</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>616</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>2615</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>42879</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>24570</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>156600</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, SCHEDULE J SUPPLEMENTAL EXPLANATION:</FormAndLineReferenceDesc>
        <ExplanationTxt>KARA RICHOTTE RECEIVES COMPENSATION AND BENEFITS IN HER CAPACITY AS FUND ADMINISTRATOR OF THE RELATED PENSION, ANNUITY, COOPERATIVE TRUST, TRAINING AND WELFARE FUNDS. COMPENSATION AND BENEFITS ARE PAID BY THE WELFARE FUND WITH REIMBURSEMENTS MADE ACCORDINGLY. THE WELFARE FUND'S PORTION OF THESE EXPENSES IS 41% OF THE GROSS AMOUNTS DETAILED ON SCHEDULE J, PART II.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE PLAN IS JOINTLY ADMINISTERED BY TRUSTEES WHO ARE APPOINTED BY THE BUSINESS MANAGER OF THE UNION AND BY EMPLOYER ASSOCIATIONS. WHENEVER ANY VACANCIES OCCUR AMONG THE EMPLOYER TRUSTEES, SUCCESSOR TRUSTEES ARE APPOINTED BY THE EMPLOYER ASSOCIATIONS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FORM 990 WAS PREPARED IN COORDINATION WITH THE FUND ADMINISTRATOR WHO WORKS FULL TIME FOR THE ORGANIZATION. ONCE COMPLETE, THE FORM WAS PROVIDED TO AND REVIEWED BY THE BOARD OF TRUSTEES PRIOR TO SUBMISSION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>PERIODIC REVIEWS OF THE CONFLICT OF INTEREST POLICY ARE BEING PERFORMED. ANNUAL AFFIRMATIONS ARE OBTAINED.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>DOCUMENTS ARE AVAILABLE TO THE PUBLIC TO THE EXTENT REQUIRED BY LAW. PARTICIPANTS MAY VIEW DOCUMENTS AT THE FUND OFFICE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="RetDoc1043400001">
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>IUOE LOCAL 98 ANNUITY FUND</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>PO BOX 1290</AddressLine1Txt>
          <CityNm>SOUTHWICK</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>010771290</ZIPCd>
        </USAddress>
        <EIN>043030313</EIN>
        <PrimaryActivitiesTxt>PROVIDE RET BENEFITS TO PARTICIPANTS</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(A)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>N/A</PublicCharityStatusTxt>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>IUOE LOCAL 98 PENSION FUND</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>PO BOX 1290</AddressLine1Txt>
          <CityNm>SOUTHWICK</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>010771290</ZIPCd>
        </USAddress>
        <EIN>046127765</EIN>
        <PrimaryActivitiesTxt>PROVIDE RET BENEFITS TO PARTICIPANTS</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(A)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>N/A</PublicCharityStatusTxt>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>IUOE LOCAL 98 EMPLOYERS COOP TR</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>PO BOX 1290</AddressLine1Txt>
          <CityNm>SOUTHWICK</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>010771290</ZIPCd>
        </USAddress>
        <EIN>043432489</EIN>
        <PrimaryActivitiesTxt>TO IMPROVE LABOR MGMT REL, SECURE EMPLOYMENT</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(5)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>N/A</PublicCharityStatusTxt>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>LOCAL 98 ENG JT TR RETRAINING AP &amp; TR FD</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>PO BOX 1290</AddressLine1Txt>
          <CityNm>SOUTHWICK</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>010771290</ZIPCd>
        </USAddress>
        <EIN>042509496</EIN>
        <PrimaryActivitiesTxt>PROVIDE TRAINING, SKILL IMPROVEMENT AND SAFETY EDUCATION</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>LINE_2_SCHOOL_DESCRI</PublicCharityStatusTxt>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>IUOE LOCAL 98</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>PO BOX 1290</AddressLine1Txt>
          <CityNm>SOUTHWICK</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>010771290</ZIPCd>
        </USAddress>
        <EIN>041673765</EIN>
        <PrimaryActivitiesTxt>LABOR UNION</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)5</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>N/A</PublicCharityStatusTxt>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>TOWN OF SPRINGFIELD</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>96 MAIN STREET</AddressLine1Txt>
          <CityNm>SPRINGFIELD</CityNm>
          <StateAbbreviationCd>VT</StateAbbreviationCd>
          <ZIPCd>05156</ZIPCd>
        </USAddress>
        <EIN>036002884</EIN>
        <PrimaryActivitiesTxt>MUNICIPAL GOVERNMENT</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>VT</LegalDomicileStateCd>
        <PublicCharityStatusTxt>N/A</PublicCharityStatusTxt>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>SEE SCHEDULE R SUPPLEMENTAL INFORMATION</BusinessNameLine1Txt>
        </RelatedOrganizationName>
      </IdRelatedOrgTxblCorpTrGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>0</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>0</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>0</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>0</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>0</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>0</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>0</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>0</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>0</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>0</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>1</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>0</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>0</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>1</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>1</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>0</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>1</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>0</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>0</TransferFromOtherOrgInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, SCHEDULE R, PART II AND IV</FormAndLineReferenceDesc>
        <ExplanationTxt>CERTAIN TRUSTEES LISTED ON FORM 990, PART VII, SECTION A, SERVE AS VOLUNTEERS AND DO NOT RECEIVE COMPENSATION FROM THIS ORGANIZATION OR ANY RELATED ORGANIZATION IN THEIR CAPACITY AS TRUSTEES OF THIS ORGANIZATION. THE FILING ORGANIZATION IS NOT REQUIRED TO LIST THE COMPENSATION FOR THESE TRUSTEES BECAUSE THE RELATED ORGANIZATION (I) WAS "FOR PROFIT", (II) WAS NOT OWNED OR CONTROLLED DIRECTLY OR INDIRECTLY BY THE FILING ORGANIZATION OR ONE OR MORE RELATED TAX EXEMPT ORGANIZATIONS, AND (III) DID NOT PROVIDE MANAGEMENT SERVICES FOR A FEE TO THE FILING ORGANIZATIONS. CERTAIN TRUSTEES LISTED ON FORM 990, PART VII, SECTION A, DO NOT RECEIVE COMPENSATION FROM THIS ORGANIZATION, BUT DO RECEIVE COMPENSATION FROM IUOE LOCAL 98 (THE UNION") IN THEIR CAPACITY AS EMPLOYEES/OFFICERS OF THE UNION. THE INFORMATION DISCLOSED ON THE ATTACHED SCHEDULES OF RELATED PARTIES IS THAT WHICH WAS AVAILABLE TO THE ORGANIZATION AT THE TIME OF THIS FILING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>2024 FORM 990, SCHEDULE R ATTACHMENT - RELATED ORGANIZATIONS</FormAndLineReferenceDesc>
        <ExplanationTxt>PART IV, IDENTIFICATION OF RELATED ORGANIZATIONS TAXABLE AS A CORPORATION OR TRUST NAME A. MARTINS &amp; SONS CONSTRUCTION A.J. VIRGILIO CONTR., INC. ACCESS LIMITED CONSTRUCTION AIRCO POWER SERVICES INC ALGAR CONSTRUCTION CORP AMERICAN ENVIRONMENTAL, INC ASTRO CRANE SERVICES ATLANTIC COAST DISMANTLING, LLC AZTEC ENERGY INC B &amp; F PAVING &amp; CONSTRUCTION BADGER DAYLIGHTING CORP BALTAZAR CONTRACTORS, INC. BARNHART NORTHEAST BAY CRANE NORTHEAST, LLC BAY CRANE SERVICE OF CT BAYSTATE BLASTING, INC. BERKSHIRE CONCRETE CORP. BLUROC, LLC BOND CIVIL &amp; UTILITY CONSTRUCTION,INC BONDED CONCRETE INC BORGES CONSTRUCTION CO. INC. BORGGAARD CONSTRUCTION CORP. BRANDENBURG INDUSTRIAL SERVICE CO BRIGHTVIEW LANDSCAPE DEVELOPEMNT BROOKS CONSTRUCTION LLC BUCKEYE PIPE LINE SERVICES CO BURT CRANE &amp; RIGGING C &amp; A CONSTRUCTION CO., INC. C &amp; G SURFACING SPECIALISTS C.J. SHAUGHNESSY CRANE SERVICE, INC CAPASSO ENTERPRISES INC. CARACAS CONSTRUCTION CORP CENTRAL LANDSCAPE CONSTRUCTION CENTRAL MASS CRANE SERVICE CHARTER OAK UTILITY CONSTRUCT CIP CONCRETE, INC CN WOOD CO, INC CONSTRUCTION DRILLING, INC. CONSTRUCTION SERVICE CSL, INC D. CONDRON CONSTRUCTION, INC. D.A. COLLINS CO., INC. D.W. WHITE CONSTRUCTION, INC DANIEL O'CONNELL'S SONS, INC. DAVID G. ROACH &amp; SON, INC. DAVID J TIERNEY JR., INC. DEFELICE, INC. DELTA SAND AND GRAVEL, INC. DELUCCA FENCE CO. INC. DEMAG RIGGERS &amp; CRANE SERVICE DETOUR CONSTRUCTION, LLC EDI LANDSCAPE, LLC ENERGY MAT ALLIANCE, LLC ET&amp;L CORP. EUROVIA ATLANTIC COAST LLC F C CONSTRUCTION CORP FAY &amp; WRIGHT EXCAVATING, INC FILLION'S LANDSCAPING, INC. FLACH CRANE &amp; RIGGING CO., INC GAGLIARDUCCI CONST., INC. GARRITY ASPHALT RECLAMATION GEG CONSTRUCTION GEORGE R. CAIRNS &amp; SONS, INC. GOMES CONSTRUCTION CO. INC. GUARDRAIL SOLUTIONS, LLC HALUCH WATER CONTRACTING, INC. HIGHLINE RIGGERS, LLC HM NUNES &amp; SONS INC HUB FOUNDATION CO., INC. INFRASOURCE, LLC J.D. RIVET &amp; CO., INC. J.H. LYNCH &amp; SONS, INC. JACK GONCALVES &amp; SONS INC. JF BRENNAN COMPANY, INC JF WHITE CONTRACTING CO. JH MAXYMILLIAN, INC. JOHN S. LANE &amp; SONS, INC JR VINAGRO MANUFACTURING KARLS EXCAVATING INC. KELLER NORTH AMERICA, INC KENNEBEC CRANE CORP. KINETIC DEMOLITION &amp; ENGINEERING LLC L.M. SESSLER EXCAVATING &amp; WRECKING LANE CONSTRUCTION CORP. LUDLOW CONSTRUCTION CO., INC. M.E. SMITH, INC MANAFORT BROTHERS, INC. MANAFORT TRANSIT, LLC MARGUERITE CONCRETE INC MAROIS BROTHERS, INC. MARR EQUIPMENT CORP. MASS-WEST CONSTRUCTION INC. MAZZOTTA EQUIPMENT SERVICES, INC MCVAC ENVIRONMENTAL MICHELS CONSTRUCTION, INC MICHELS UTILITY SERVICES, INC MIG CORPORATION MMC SPECIALTY ROOFING, INC MONTANA OPERATING ENGINEERS-LOCAL 400 MOOSEHEAD HARVESTING, INC. MOOSEHEAD, LLC MORAIS CONCRETE SERVICE INC. MORROW EQUIPMENT COMPANY, LLC MTJ LANDSCAPES NATIONAL SHORING, LLC NEWPORT CONSTRUCTION CORPORATION NORTHEAST CONTRACTORS, INC. NORTHERN GENERAL CONTR., INC. NORTHERN LAND CLEARING, LLC NORWALK MARINE CONTRACTORS, INC ONDRICK PORTABLE CRUSHING &amp; PAVING OPERATING ENGINEERS H&amp;W TRUST FUND OTIS MINNESOTA SERVICES, LLC P GIOIOSO &amp; SONS, INC. PALMER PAVING - BARRE PETRICCA CONSTRUCTION CO. INC. PHOENIX FOUNDATION COMPANY PLC TRENCHING CO., LLC PRECAST SERVICES, INC QP EQUIPMENT, LLC R.M. PACELLA INC RAILWORKS TRACK SERVICES, LLC RIFENBURG CONTRACTING CORP. ROADSAFE TRAFFIC SYSTEMS, INC S &amp; F CONCRETE CONTRACTORS CORP S&amp;R CORPORATION SELECT DEMO SERVICES, LLC SOUTHERN OPERATORS HEALTH FUND SPIRTAS WORLDWIDE, LLC SUNBELT RENTALS, INC - NH SUPREME INDUSTRIES, INC. T&amp;M EQUIPMENT CORP. TENNESSEE VALLEY OPERATING ENG TITAN CIVIL, LLC TITAN ROOFING, INC. TREW STONE, LLC TRIMAK BUILDING SYSTEMS, INC TYLER EQUIPMENT CORP. UNITED CIVIL, INC UNITED RENTALS - BURLINGTON VARANDAS &amp; SONS CONSTRUCTION WALDO CONSTRUCTION LLC WALSH CONSTRUCTION CO WARNER BROTHERS, LLC WATERMAN EXCAVATING INC. WM J KELLER CONST CORP YANKEE DRILLING CO., INC.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleR>
  </ReturnData>
</Return>