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        <Desc>CASH OVERDRAFT</Desc>
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      <FootnoteTextInd>X</FootnoteTextInd>
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      <RevenueNotReportedFinclStmtAmt>103155</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>42216320</TotalRevenuePerForm990Amt>
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      <ExpensesSubtotalAmt>39166735</ExpensesSubtotalAmt>
      <InvestmentExpensesNotIncld2Amt>103155</InvestmentExpensesNotIncld2Amt>
      <ExpensesNotRptFinclStmtAmt>103155</ExpensesNotRptFinclStmtAmt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, SCHEDULE D, PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>The Plan's administrator has analyzed the tax positions taken by the Plan and has concluded that, as of September 30, 2024 and 2023, there are no uncertain positions taken, or expected to be taken, that would require recognition of a liability or disclosure in the financial statements. The Plan is subject to routine audits by the taxing jurisdictions; however, there are currently no audits for any tax periods in progress.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, Section A, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>Johnny Baca and Tom Baca have a family relationship. They are father and son.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 3:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE PLAN HAS CONTRACTED WITH HEALTH SERVICES &amp; BENEFIT ADMINISTRATORS, INC. EFFECTIVE JUNE 1, 2024. PREVIOUSLY, CV ADMINISTRATIVE SERVICES, INC. PROVIDED ADMNITRATIVE SERVICES FOR THE ORGANIZATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B:</FormAndLineReferenceDesc>
        <ExplanationTxt>FORM 990 IS REVIEWED BY THE CHAIRMAN AND VICE-CHAIRMAN PRIOR TO FILING. A COPY IS PROVIDED TO ALL TRUSTEES PRIOR TO FILING.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION MAKES ITS GOVERNING DOCUMENTS AND FINANCIAL STATEMENTS AVAILABLE TO THE PUBLIC UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 2C:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BOARD OF TRUSTEES ASSUMES RESPONSIBILITY FOR OVERSIGHT OF THE AUDIT OF ITS FINANCIAL STATEMENTS AND SELECTION OF AN INDEPENDENT ACCOUNTANT. THE PLAN HAS MADE NO CHANGES TO THE AUDIT OVERSIGHT PROCESS.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VII, SECTION A, LINE 1A:</FormAndLineReferenceDesc>
        <ExplanationTxt>TRUSTEES ARE NOT COMPENSATED BY THE TRUST. COMPENSATION PAID TO TRUSTEES EMPLOYED BY OTHER RELATED ORGANIZATIONS IS REPORTED ON THE FORM 990 FILED WITH THE INTERNAL REVENUE SERVICE BY THE RELATED TAX-EXEMPT ORGANIZATION. FOR ADDITIONAL INFORMATION, CONTACT THE TRUST FUND ADMINISTRATIVE OFFICE.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
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          <BusinessNameLine1Txt>International Brotherhood of Boilermaker</BusinessNameLine1Txt>
        </DisregardedEntityName>
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          <AddressLine1Txt>753 State Ave</AddressLine1Txt>
          <CityNm>Kansas City</CityNm>
          <StateAbbreviationCd>KS</StateAbbreviationCd>
          <ZIPCd>66101</ZIPCd>
        </USAddress>
        <EIN>486031851</EIN>
        <PrimaryActivitiesTxt>LABOR ORG.</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>KS</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(5)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>N/A</PublicCharityStatusTxt>
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      <LoansOrGuaranteesFromOthOrgInd>false</LoansOrGuaranteesFromOthOrgInd>
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        <FormAndLineReferenceDesc>SCHEDULE R, IDENTIFICATION OF RELATED ORGANIZATIONS:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FILING ORGANIZATION IS A TAFT-HARTLEY MULTIEMPLOYER TRUST THAT PROVIDES benefits TO ELIGIBLE EMPLOYERS AND THEIR DEPENDENTS. AS OF SEPTEMBER 30, 2024, THERE ARE 204 EMPLOYERS THAT CONTRIBUTE TO THE TRUST. THE FEDERAL TAX CLASSIFICATION (DISREGARDED ENTITY, TAX EXEMPT ORGANIZATION, PARTNERSHIP, TAXABLE CORPORATION OR TRUST) FOR EACH CONTRIBUTING EMPLOYER IS NOT ON FILE WITH THE ADMINISTRATIVE OFFICE AND COULD NOT BE REASONABLY OBTAINED. AS A RESULT, THE NAMES OF THE CONTRIBUTING EMPLOYERS ARE LISTED ON PART VII. A &amp; B WELDING &amp; CONSTRUCTION, INC A P &amp; F CONSTRUCTION ADAPTIVE STAINLESS ADVANTAGE INDUSTRIAL SYSTEMS, LLC AECON-WACHS TECHNICAL SERVICES LTD ALB, INC. ALBERICI CONSTRUCTORS ALLIANCE CONSTRUCTORS INC. ALLIED POWER SERVICES, LLC ALLOY CLADDING CO.,INC. AMERICAN BOILER COMPANY APCOMPOWER INC APOLLO SHEET METAL, INC. APTIM SERVICES, LLC ARB INC. ASSOCIATED TANK CONSTRUCTORS ATOMIC IRON, INC. AZCO INC. AZZ WSI LLC BABCOCK &amp; WILCOX CONSTRUCTION BADGER LABOR SERVICES, LLC BARIN GROUP, LLC BAY CITY BOILER &amp; ENGINEERING CO., INC. BAY SHIPBUILDING CO. BELCON/REGIS GROUP, INC. BHI ENERGY BM LOCAL #107 DEV &amp; TRAINING FUND BM LOCAL #647 DEV &amp; TRAINING FUND BM LOCAL 549 APPRENTICESHIP &amp; TRAINING BML 83 SUPPLEMENTAL TRAINING &amp; EDUC BOILERMAKERS LOCAL #101 BOILERMAKERS LOCAL #107 BOILERMAKERS LOCAL #11 BOILERMAKERS LOCAL #13 BOILERMAKERS LOCAL #242 BOILERMAKERS LOCAL #27 BOILERMAKERS LOCAL #28 BOILERMAKERS LOCAL #29 BOILERMAKERS LOCAL #363 BOILERMAKERS LOCAL #4 BOILERMAKERS LOCAL #45 BOILERMAKERS LOCAL #502 BOILERMAKERS LOCAL #549 BOILERMAKERS LOCAL #627 BOILERMAKERS LOCAL #647 BOILERMAKERS LOCAL #744 BOILERMAKERS LOCAL #83 BOILERMAKERS LOCAL #92 BOILERMAKERS LOCAL 92 JATC BOILERWORKS, INC. BOLDT COMPANY BRADLEY SCIOCCHETTI, INC. BRAGG CRANE &amp; RIGGING CO. BRAND SAFWAY INDUSTRIES, LLC BRAYCO INC. BROCK INDUSTRIAL SERVICES, LLC BURNN BOILER &amp; MECHANICAL, INC. C H MURPHY/CLARK-ULLMAN, INC. C.P. WARD, INC. CADY AQUASTORE, INC. CALIFORNIA BOILER CBI SERVICES, LLC CENTRAL MAINTENANCE &amp; WELDING, INC. CHAMPION SPECIALTY SERVICES, LLC CHATTANOOGA BOILER &amp; TANK CO. CHERNE CONTRACTING CORPORATION CHESTER POOL SYSTEMS INC. COENEN MECHANICAL CONSTRUCTION &amp; TURNAROUND SERVICES CONTRACTORS CARGO COMPANY CR MEYER AND SONS D.D.J. CONSTRUCTION WELDING, INC. DAY &amp; ZIMMERMAN NPS, INC. DCK DEPARTMENT OF WATER &amp; POWER ENERFAB POWER &amp; INDUSTRIAL, LLC ESW PLANT SERVICES, LLC FISHER TANK CO. FLUOR MAINTENANCE SERVICES, INC. FM SYLVAN INC. FOREST CITY ERECTORS, INC. FRANK LILL &amp; SON, INC FURINO &amp; SONS INC. FUSION BOILER WORKS, INC. GEM, INC. GEMMA POWER SYSTEMS GLOBAL SCAFFOLD CONSTRUCTION SERVICES GRAYCOR INDUSTRIAL CONST. INC. GRP WEGMAN GULF COAST INDUSTRIAL MAINTENANCE HARDER MECHANICAL CONTRACTORS, INC. HASKELL CORPORATION HAYES COMMERCIAL HAYES SERVICES LLC. HEAVY METAL WELDING &amp; FABRICATION LLC HELFRICH BROTHERS BOILER WORKS, INC. HENKELS &amp; MCCOY INC. HERMAN WEISSKER INC. HI-TECH WELD OVERLAY GROUP HOHL INDUSTRIAL SERVICES, INC. HRI INC. HUDSON BOILER AND TANK CO. ICC COMMONWEALTH CORP. ICON MECHANICAL INDEPENDENT MECHANICAL INDUSTRIES, INC. INDUSTRIAL SERVICES, INC INSTEEL BRADFORD IPC LYDON, LLC J. GIVOO CONSULTANTS J.H. KELLY, LLC J.J. WHITE, INC. J.T. THORPE &amp; SON INC. JAFFA CONSTRUCTION JAMAR COMPANY K &amp; E FABRICATING CO., INC. KELLEY STEEL ERECTORS, INC. KENNEDY TANK &amp; MFG CO. INC. KIEWIT LAKEHEAD CONSTRUCTORS, INC. LEFEVRE WELDING LINCOLN MANUFACTURING, INC. LINTEC CORPORATION LIPPERT MECHANICAL SERVICE CORP. LOCKE AMI, LLC M&amp;M WELDING &amp; FABRICATORS, INC. MADISON INDUSTRIAL SERVICES MANAFORT BROTHERS MAP MECHANICAL CONTRACTORS, INC. MATRIX NAC MC INDUSTRIAL, INC MCCARLS INC MECHANICAL ADVANTAGE CONSTRUCTION LLC MECHANICAL TECHNOLOGIES, INC. MID MOUNTAIN BOILER &amp; STEAM, INC. MID-AMERICAN GUNITE INC. MILCO NATIONAL CONSTRUCTORS, INC. MILETTA BROTHERS, INC. MILLER INDUSTRIAL SERVICE TEAMS, INC MILLER MECHANICAL SERVICES, INC. MOLLENBERG-BETZ, INC. MONARCH WELDING &amp; ENGINEERING, INC. MORRISON CONSTRUCTION NAES POWER CONTRACTORS NBW, INC. NEW AGE FASTENING SYSTEMS, INC. NOOTER CONSTRUCTION COMPANY NORMINN INDUSTRIAL, LLC NORTHERN HORIZONS, INC. NORTHERN STATES POWER COMPANY NUCLEAR REPAIR SOLUTIONS OAK MOUNTAIN INDUSTRIES OCONNOR CORPORATION OPTIMUS INDUSTRIES, LLC-CHANUTE MFG. ORBIS SIBRO, INC. PATRIOT MILLWRIGHT SERVICES LLC PBBS EQUIPMENT CORP-TWIN CITIES PCI ENERGY SERVICES/WESTINGHOUSE PERFORMANCE MECHANICAL, INC. PIONEER POWER, INC. PIPING AND EQUIPMENT COMPANY PLATINUM SPECIALTY SERVICES, INC POWER &amp; COMBUSTION INC. POWER SOURCE SERVICES POWER TECH SERVICES LLC PROJECT CONTROL SERVICES, INC. PRO-TEC INDUSTRIAL PULLMAN POWER, LLC R.G. SMITH CO, INC. RADOTICH, INC. RAGAN MECHANICAL, INC. RAMCON INDUSTRIES, INC. RAND CONSTRUCTION CO. RCR SERVICES, INC. RIGGERS, INC. RIGGS DISTLER &amp; COMPANY, INC. ROCKFORD CORPORATION SCANLON ASSOCIATES SCHECK MECHANICAL CORP. SCHULTZ INDUSTRIAL SERVICES SGS US EAST COAST, LLC SHEARER CONSTRUCTION SONGER SERVICES, INC. SPECIALTY WELDING AND TURNAROUNDS STACK BROS MECHANICAL CONTRACTORS STAR MECHANICAL STEVENS ENGINEERS &amp; CONSTRUCTORS, INC. SULZER TOWER FIELD SERVICE CALIF., INC. T BAILEY INC. TESAR INDUSTRIAL CONTRACTORS THE NEW GENERATION ENG. CONSTR. INC. THOMAS JS WELDING TRI RIVERS WELDING, INC TRSC, INC. U.S. TANK &amp; MECHANICAL SERVICES INC. UNIVERSAL PLANT SERVICES W.O. GRUBB STEEL ERECTION, INC. WALASHEK INDUSTRIAL &amp; MARINE INC. WASTE TREATMENT COMPLETION CO. WELDTECH SERVICES INC WESTERN COMBUSTION LLC WHITFIELD SCHNEIDER ENTERPRISE INC WILTSIE CONSTRUCTION CO., INC. WINBCO TANK COMPANY WRIGLEY MECHANICAL, INC.</ExplanationTxt>
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