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      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>false</AccountantCompileOrReviewInd>
      <FSAuditedInd>true</FSAuditedInd>
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      <AuditCommitteeInd>true</AuditCommitteeInd>
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      <OtherSecuritiesGrp>
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      <OtherLiabilitiesOrgGrp>
        <Desc>Federal income taxes</Desc>
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      <OtherLiabilitiesOrgGrp>
        <Desc>Vacation Wage Deposits Payable</Desc>
        <Amt>8762761</Amt>
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      <OtherLiabilitiesOrgGrp>
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      <FootnoteTextInd>X</FootnoteTextInd>
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      <ExpensesSubtotalAmt>28009853</ExpensesSubtotalAmt>
      <TotalExpensesPerForm990Amt>28009853</TotalExpensesPerForm990Amt>
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        <FormAndLineReferenceDesc>X 2</FormAndLineReferenceDesc>
        <ExplanationTxt>The Trustees have evaluated the tax positions taken by the Plan and have concluded that as of December 31, 2024, there are no uncertain tax positions taken or expected to be taken that would require the recognition of a liability or asset or disclosure in the financial statements. The Plan is subject to routine audits by taxing jurisdictions until the applicable statute of limitations expires however, there are currently no audits for any tax periods in progress.</ExplanationTxt>
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        <PersonNm>James Ippolito</PersonNm>
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        <TotalCompensationFilingOrgAmt>9357</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>265876</TotalCompensationRltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>James C White</PersonNm>
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        <NontaxableBenefitsRltdOrgsAmt>41320</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>11367</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>257301</TotalCompensationRltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Jason Grecco</PersonNm>
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        <NontaxableBenefitsRltdOrgsAmt>84732</NontaxableBenefitsRltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
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        <NontaxableBenefitsRltdOrgsAmt>82341</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationRltdOrgsAmt>265567</TotalCompensationRltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Nicholas Magna</PersonNm>
        <TitleTxt>Education Instructor</TitleTxt>
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        <NontaxableBenefitsRltdOrgsAmt>83917</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationRltdOrgsAmt>270787</TotalCompensationRltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Daniel Knights</PersonNm>
        <TitleTxt>Education Director</TitleTxt>
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        <OtherCompensationRltdOrgsAmt>24866</OtherCompensationRltdOrgsAmt>
        <NontaxableBenefitsRltdOrgsAmt>65552</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationRltdOrgsAmt>295633</TotalCompensationRltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Matthew Pizzo</PersonNm>
        <TitleTxt>Education Instructor</TitleTxt>
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        <NontaxableBenefitsRltdOrgsAmt>80716</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationRltdOrgsAmt>260161</TotalCompensationRltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
    </IRS990ScheduleJ>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 11A</FormAndLineReferenceDesc>
        <ExplanationTxt>This tax return was prepared by staff and reviewed by the Funds Exective Administrator, who is a CPA. Then it was provided to the Funds auditors for review and approval. Lastly, it is provided to a member of the Board of Directors for review and signature.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 15 AB</FormAndLineReferenceDesc>
        <ExplanationTxt>The Executive Administrator of the Trust Fuinds negotiates with the Chairman and Co-Chairman of each Fund and agree to an increase in wages for all staff within the parameters set by the collective bargaining agreement.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>The Fund is subject to ERISA and the Trustees conform to its regulations. Each year, Trustees sign a statement which affirms that such person has received a copy of the Conflict of Interest Policy and understands that the Plan is a tax-exempt organization.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, Line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>As required by ERISA, the Funds governing documents, policies, financial statements and tax returns are available upon request by writing to the Fund Office and requesting a copy. This return was not filed on time and granted an extension to acquire all information to complete and file an accurate return.</ExplanationTxt>
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          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>11101</ZIPCd>
        </USAddress>
        <EIN>136149680</EIN>
        <PrimaryActivitiesTxt>ERISA Plan</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>NY</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501a</ExemptCodeSectionTxt>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>Steamfitters' Industry Security Benefit Fund</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>27-08 40th Avenue 2nd floor</AddressLine1Txt>
          <CityNm>Long Island City</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>11101</ZIPCd>
        </USAddress>
        <EIN>136149681</EIN>
        <PrimaryActivitiesTxt>ERISA Plan</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>NY</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501c5</ExemptCodeSectionTxt>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>Steamfitters' Industry Welfare Fund</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>27-08 40th Avenue 2nd floor</AddressLine1Txt>
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          <ZIPCd>11101</ZIPCd>
        </USAddress>
        <EIN>131545680</EIN>
        <PrimaryActivitiesTxt>ERISA Plan</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>NY</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501c5</ExemptCodeSectionTxt>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>Steamfitters' Industry Educational Fund</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>27-08 40th Avenue 2nd floor</AddressLine1Txt>
          <CityNm>Long Island City</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>11101</ZIPCd>
        </USAddress>
        <EIN>131919703</EIN>
        <PrimaryActivitiesTxt>ERISA Plan</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>NY</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501c5</ExemptCodeSectionTxt>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>Steamfitters' Industry Supplemental Retirement Plan</BusinessNameLine1Txt>
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          <AddressLine1Txt>27-08 40th Avenue 2nd floor</AddressLine1Txt>
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</Return>