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    <ReturnTs>2026-02-14T12:01:44-05:00</ReturnTs>
    <TaxPeriodEndDt>2025-12-31</TaxPeriodEndDt>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2025-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>316045853</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>INTERNATIONAL ASSOCIATION OF MACHINISTS &amp; AEROSPACE WORKERS</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>INTE</BusinessNameControlTxt>
      <ForeignPhoneNum>5138245236</ForeignPhoneNum>
      <USAddress>
        <AddressLine1Txt>4703 Bluejacket Rd</AddressLine1Txt>
        <CityNm>Cincinnati</CityNm>
        <StateAbbreviationCd>OH</StateAbbreviationCd>
        <ZIPCd>45244</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>Jared Siefert</PersonNm>
      <PersonTitleTxt>Secretary Treasurer</PersonTitleTxt>
      <PhoneNum>5318245236</PhoneNum>
      <SignatureDt>2026-02-16</SignatureDt>
    </BusinessOfficerGrp>
    <TaxYr>2025</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
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      <ScheduleBNotRequiredInd>X</ScheduleBNotRequiredInd>
      <Organization501cInd organization501cTypeTxt="5">X</Organization501cInd>
      <TypeOfOrganizationOtherInd>X</TypeOfOrganizationOtherInd>
      <TypeOfOrganizationOtherDesc>Labor union</TypeOfOrganizationOtherDesc>
      <GrossReceiptsAmt>157473</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <MembershipDuesAmt>125065</MembershipDuesAmt>
      <InvestmentIncomeAmt>14530</InvestmentIncomeAmt>
      <GainOrLossFromSaleOfAssetsAmt>0</GainOrLossFromSaleOfAssetsAmt>
      <SpecialEventsNetIncomeLossAmt>0</SpecialEventsNetIncomeLossAmt>
      <GrossProfitLossSlsOfInvntryAmt>0</GrossProfitLossSlsOfInvntryAmt>
      <OtherRevenueTotalAmt>17878</OtherRevenueTotalAmt>
      <TotalRevenueAmt>157473</TotalRevenueAmt>
      <SalariesOtherCompEmplBnftAmt>64620</SalariesOtherCompEmplBnftAmt>
      <OccupancyRentUtltsAndMaintAmt>1225</OccupancyRentUtltsAndMaintAmt>
      <PrintingPublicationsPostageAmt>1389</PrintingPublicationsPostageAmt>
      <OtherExpensesTotalAmt>39675</OtherExpensesTotalAmt>
      <TotalExpensesAmt>106909</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>50564</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>403067</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>453631</NetAssetsOrFundBalancesEOYAmt>
      <CashSavingsAndInvestmentsGrp>
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        <EOYAmt>453631</EOYAmt>
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      <Form990TotalAssetsGrp>
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        <EOYAmt>453631</EOYAmt>
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      <PrimaryExemptPurposeTxt>for the betterment of wages hours and working conditions</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>for the betterment of wages hours and working conditions</DescriptionProgramSrvcAccomTxt>
        <GrantsAndAllocationsAmt>0</GrantsAndAllocationsAmt>
        <ProgramServiceExpensesAmt>0</ProgramServiceExpensesAmt>
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      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm referenceDocumentName="CompensationExplanation">Matthew Galbraith</PersonNm>
        <TitleTxt>president</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>10</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>1945</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm referenceDocumentName="CompensationExplanation">Andrew Neukam</PersonNm>
        <TitleTxt>vice president</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>7.5</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>1380</CompensationAmt>
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      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm referenceDocumentName="CompensationExplanation">william Cates</PersonNm>
        <TitleTxt>recording secretary</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>7.5</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>2000</CompensationAmt>
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      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm referenceDocumentName="CompensationExplanation">jared Siefert</PersonNm>
        <TitleTxt>secretary treasure</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>10</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>43357</CompensationAmt>
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      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm referenceDocumentName="CompensationExplanation">david luthi</PersonNm>
        <TitleTxt>conductor sentinal</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>4258</CompensationAmt>
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      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm referenceDocumentName="CompensationExplanation">Jim Samuel</PersonNm>
        <TitleTxt>trustee</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
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      <ChgMadeToOrgnzngDocNotRptInd>false</ChgMadeToOrgnzngDocNotRptInd>
      <OrganizationHadUBIInd>false</OrganizationHadUBIInd>
      <SubjectToProxyTaxInd referenceDocumentName="IRS990ScheduleC">false</SubjectToProxyTaxInd>
      <OrganizationDissolvedEtcInd referenceDocumentName="IRS990ScheduleN BinaryAttachment">false</OrganizationDissolvedEtcInd>
      <DirectIndirectPltclExpendAmt>0</DirectIndirectPltclExpendAmt>
      <Form1120PolFiledInd>false</Form1120PolFiledInd>
      <MadeLoansToFromOfficersInd>false</MadeLoansToFromOfficersInd>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <BooksInCareOfDetail>
        <PersonNm>Jared Siefert</PersonNm>
        <USAddress>
          <AddressLine1Txt>4703 Bluejacket Rd</AddressLine1Txt>
          <CityNm>Cincinnati</CityNm>
          <StateAbbreviationCd>OH</StateAbbreviationCd>
          <ZIPCd>45244</ZIPCd>
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        <PhoneNum>5138245236</PhoneNum>
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      <ForeignFinancialAccountInd>false</ForeignFinancialAccountInd>
      <ForeignOfficeInd>false</ForeignOfficeInd>
      <DonorAdvisedFndsInd>false</DonorAdvisedFndsInd>
      <OperateHospitalInd>false</OperateHospitalInd>
      <TanningServicesProvidedInd>false</TanningServicesProvidedInd>
      <RelatedOrganizationCtrlEntInd>false</RelatedOrganizationCtrlEntInd>
      <TransactionWithControlEntInd>false</TransactionWithControlEntInd>
      <PoliticalCampaignActyInd referenceDocumentName="IRS990ScheduleC">false</PoliticalCampaignActyInd>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, line 8</FormAndLineReferenceDesc>
        <ExplanationTxt>| Other Revenues:, Amount:| reimbursements, $5552| redeposited checks, $123| social security w h, $3809| Medicare w h, $891| federal w h, $6121| state tax w h, $1382|</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, line 16</FormAndLineReferenceDesc>
        <ExplanationTxt>| Other Expenses:, Amount:| committee expenses, $2340| federal tax, $17753| state tax, $1659| other tax, $342| bank charges protested cks, $969| voluntary donatins, $2263| refunds, $576| social, $2164| misc disbursements, $150| other pct, $11459|</ExplanationTxt>
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