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      <InvestmentsPubTradedSecGrp>
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        <EOYAmt>1908</EOYAmt>
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      <OrgDoesNotFollowFASB117Ind>X</OrgDoesNotFollowFASB117Ind>
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        <EOYAmt>0</EOYAmt>
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        <EOYAmt>0</EOYAmt>
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        <EOYAmt>2969865</EOYAmt>
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        <EOYAmt>2971773</EOYAmt>
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      <InfoInScheduleOPartXIIInd>X</InfoInScheduleOPartXIIInd>
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <AccountantCompileOrReviewInd>1</AccountantCompileOrReviewInd>
      <AcctCompileOrReviewBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
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      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
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    <IRS990ScheduleC documentId="RetDoc1039500001">
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      <VolunteerHoursCnt>0</VolunteerHoursCnt>
      <Expended527ActivitiesAmt>0</Expended527ActivitiesAmt>
      <InternalFundsContributedAmt>7350</InternalFundsContributedAmt>
      <TotalExemptFunctionExpendAmt>7350</TotalExemptFunctionExpendAmt>
      <Form1120POLFiledInd>0</Form1120POLFiledInd>
      <Section527PoliticalOrgGrp>
        <OrganizationBusinessName>
          <BusinessNameLine1Txt>MECHANICAL CONTRACTORS PAC</BusinessNameLine1Txt>
        </OrganizationBusinessName>
        <USAddress>
          <AddressLine1Txt>2640 S JONES BLVD SUITE 1</AddressLine1Txt>
          <CityNm>LAS VEGAS</CityNm>
          <StateAbbreviationCd>NV</StateAbbreviationCd>
          <ZIPCd>89146</ZIPCd>
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        <EIN>475099447</EIN>
        <PaidInternalFundsAmt>7350</PaidInternalFundsAmt>
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      <OnlyInHouseLobbyingInd>0</OnlyInHouseLobbyingInd>
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      <DuesAssessmentsAmt>762697</DuesAssessmentsAmt>
      <NonDeductibleLbbyngPltclCYAmt>9750</NonDeductibleLbbyngPltclCYAmt>
      <NonDeductibleLbbyngPltclTotAmt>9750</NonDeductibleLbbyngPltclTotAmt>
      <AggregateReportedDuesNtcAmt>61575</AggregateReportedDuesNtcAmt>
      <TaxableAmt>-51825</TaxableAmt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I-A, LINE 1:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ASSOCIATION CONTRIBUTES MONEY INDIRECTLY TO ENABLE ITS MEMBERS TO CONTRIBUTE TO FAVORED STATE AND LOCAL CANDIDATES OR POLITICAL PARTIES TO ENSURE THE BEST EDUCATED CANDIDATES OR SUBCONTRACTOR ISSUES ARE ELEVATED TO OFFICE.</ExplanationTxt>
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        <DepreciationAmt>408704</DepreciationAmt>
        <BookValueAmt>303223</BookValueAmt>
      </BuildingsGrp>
      <OtherLandBuildingsGrp>
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        <DepreciationAmt>94768</DepreciationAmt>
        <BookValueAmt>13653</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>316876</TotalBookValueLandBuildingsAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ASSOCIATION'S MANAGEMENT HAS ANALYZED THE TAX POSITIONS TAKEN, AND HAS CONCLUDED THAT AS OF DECEMBER 31, 2024, THERE ARE NO UNCERTAIN POSITIONS TAKEN OR EXPECTED TO BE TAKEN THAT WOULD REQUIRE DISCLOSURE IN THE FINANCIAL STATEMENTS. THE ASSOCIATION IS SUBJECT TO ROUTINE AUDITS BY TAXING JURISDICTIONS; HOWEVER, THERE ARE CURRENTLY NO AUDITS FOR ANY TAX PERIODS IN PROGRESS. THE ASSOCIATION BELIEVES IT IS NO LONGER SUBJECT TO INCOME TAX EXAMINATIONS FOR YEARS PRIOR TO 2021.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
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        <Event1Nm>CLAYS 4 CONTRACTORS</Event1Nm>
        <GrossReceiptsEvent1Amt>34170</GrossReceiptsEvent1Amt>
        <GrossRevenueEvent1Amt>34170</GrossRevenueEvent1Amt>
        <NonCashPrizesEvent1Amt>16622</NonCashPrizesEvent1Amt>
        <RentFacilityCostsEvent1Amt>7474</RentFacilityCostsEvent1Amt>
        <FoodAndBeverageEvent1Amt>3384</FoodAndBeverageEvent1Amt>
        <OtherDirectExpensesEvent1Amt>5550</OtherDirectExpensesEvent1Amt>
        <Event2Nm>MCA/SMACNA LUNCHES &amp; MIXERS</Event2Nm>
        <GrossReceiptsEvent2Amt>22656</GrossReceiptsEvent2Amt>
        <GrossRevenueEvent2Amt>22656</GrossRevenueEvent2Amt>
        <NonCashPrizesEvent2Amt>12054</NonCashPrizesEvent2Amt>
        <RentFacilityCostsEvent2Amt>4000</RentFacilityCostsEvent2Amt>
        <FoodAndBeverageEvent2Amt>14304</FoodAndBeverageEvent2Amt>
        <OtherDirectExpensesEvent2Amt>870</OtherDirectExpensesEvent2Amt>
        <OtherEventsTotalCnt>1</OtherEventsTotalCnt>
        <GrossReceiptsOtherEventsAmt>9640</GrossReceiptsOtherEventsAmt>
        <GrossRevenueOtherEventsAmt>9640</GrossRevenueOtherEventsAmt>
        <NonCashPrizesOtherEventsAmt>2058</NonCashPrizesOtherEventsAmt>
        <RentFcltyCostsOtherEventsAmt>0</RentFcltyCostsOtherEventsAmt>
        <FoodAndBeverageOtherEventsAmt>1863</FoodAndBeverageOtherEventsAmt>
        <OthDirectExpnssOtherEventsAmt>10873</OthDirectExpnssOtherEventsAmt>
        <GrossReceiptsTotalAmt>66466</GrossReceiptsTotalAmt>
        <GrossRevenueTotalEventsAmt>66466</GrossRevenueTotalEventsAmt>
        <NonCashPrizesTotalEventsAmt>30734</NonCashPrizesTotalEventsAmt>
        <RentFcltyCostsTotalEventsAmt>11474</RentFcltyCostsTotalEventsAmt>
        <FoodAndBeverageTotalEventsAmt>19551</FoodAndBeverageTotalEventsAmt>
        <OthDirectExpnssTotalEventsAmt>17293</OthDirectExpnssTotalEventsAmt>
        <DirectExpenseSummaryEventsAmt>79052</DirectExpenseSummaryEventsAmt>
        <NetIncomeSummaryAmt>-12586</NetIncomeSummaryAmt>
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      <SupplementalNonqualRtrPlanInd>0</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>MANDI WILKINS</PersonNm>
        <TitleTxt>EXECUTIVE VICE PRESIDENT</TitleTxt>
        <BaseCompensationFilingOrgAmt>349066</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>25298</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>8251</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>382615</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
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        <FormAndLineReferenceDesc>PART I, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>AT A REGULAR OR SPECIAL MEETING OF THE BOARD OF DIRECTORS, A QUORUM OF THE BOARD OF DIRECTORS SHALL REVIEW AND APPROVE THE ANNUAL COMPENSATION OF THE ASSOCIATION'S DIRECTORS, OFFICERS, MANAGERS AND KEY PERSONNEL. NO MEMBER OF THE BOARD OF DIRECTORS WITH A CONFLICT OF INTEREST WITH RESPECT TO AN INDIVIUAL'S COMPENSATION SHALL PARTICIPATE IN THE REVIEW AND APPROVAL OF SUCH INDIVIDUAL'S ANNUAL COMPENSATION.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE DIRECTORS ARE ELECTED BY THE MEMBERSHIP EVERY TWO YEARS. THE OFFICERS ARE NOMINATED BY A NOMINATING COMMITTEE (ADDITIONAL NOMINATIONS MAY BE MADE BY THE GENERAL MEMBERSHIP) AND APPROVED BY THE MEMBERSHIP EVERY TWO YEARS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>EACH REGULAR MEMBER IN GOOD STANDING SHALL BE ENTITLED TO ONE VOTE ON EACH MATTER SUMBITTED TO A VOTE OF THE MEMBERS. ASSOCIATE MEMBERS SHALL NOT BE ENTITLED TO A VOTE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>A COPY OF THE 990 WAS PRESENTED AND REVIEWED BY MEMBERS OF THE BOARD PRIOR TO FILING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>PER THE NATIONAL MECHANICAL CONTRACTORS ASSOCIATION OF AMERICA, INC.'S ADOPTED POLICY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>AT A REGULAR OR SPECIAL MEETING OF THE BOARD OF DIRECTORS, A QUORUM OF THE BOARD OF DIRECTORS SHALL REVIEW AND APPROVE THE ANNUAL COMPENSATION OF THE ASSOCIATIONS'S DIRECTORS, OFFICERS, MANAGERS AND KEY PERSONNEL. NO MEMBER OF THE BOARD OF DIRECTORS WITH A CONFLICT OF INTEREST WITH RESPECT TO AN INDIVIDUAL'S COMPENSATION SHALL PARTICIPATE IN THE REVIEW AND APPROVAL OF SUCH INDIVIDUAL'S ANNUAL COMPENSATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION MAKES ITS GOVERNING DOCUMENTS, INCLUDING ITS MANAGEMENT AND GOVERNANCE POLICIES AVAILABLE TO THE PUBLIC UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 2C:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BOARD OF DIRECTORS ASSUMES RESPONSIBILITY FOR THE COMPILATION OF ITS FINANCIAL STATEMENTS AND THE SELECTION OF AN INDEPENDENT ACCOUNTANT. THIS PROCESS HAS NOT CHANGED FROM THE PRIOR YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
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          <BusinessNameLine1Txt>MECHANICAL CONTRACTORS PAC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>2640 S JONES BLVD SUITE 1</AddressLine1Txt>
          <CityNm>LAS VEGAS</CityNm>
          <StateAbbreviationCd>NV</StateAbbreviationCd>
          <ZIPCd>89146</ZIPCd>
        </USAddress>
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        <PrimaryActivitiesTxt>ENABLE MEMBERS TO CONTRIBUTE TO POLITICAL CANDIDATES</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>NV</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>527</ExemptCodeSectionTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>MECHANICAL CONTRACTORS ASSOCIATION OF LAS VEGAS</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>SMACNA OF SOUTHERN NEVADA INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
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          <CityNm>LAS VEGAS</CityNm>
          <StateAbbreviationCd>NV</StateAbbreviationCd>
          <ZIPCd>89146</ZIPCd>
        </USAddress>
        <EIN>880099489</EIN>
        <PrimaryActivitiesTxt>PROMOTE OF AIR CONDITIONING AND SHEET METAL CONTRACTORS</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>NV</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(6)</ExemptCodeSectionTxt>
        <DirectControllingEntityName>
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        </DisregardedEntityName>
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          <CityNm>LAS VEGAS</CityNm>
          <StateAbbreviationCd>NV</StateAbbreviationCd>
          <ZIPCd>89146</ZIPCd>
        </USAddress>
        <EIN>880482133</EIN>
        <PrimaryActivitiesTxt>PROMOTE OF AIR CONDITIONING AND SHEET METAL INDUSTRY</PrimaryActivitiesTxt>
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        <DirectControllingEntityName>
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      <IdRelatedTaxExemptOrgGrp>
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          <BusinessNameLine1Txt>SMACNA OF SOUTHERN NEVADA TOXICOLOGY</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>2640 S JONES BLVD SUITE 4</AddressLine1Txt>
          <CityNm>LAS VEGAS</CityNm>
          <StateAbbreviationCd>NV</StateAbbreviationCd>
          <ZIPCd>89146</ZIPCd>
        </USAddress>
        <EIN>383655790</EIN>
        <PrimaryActivitiesTxt>PROVIDE DRUG FREE WORKPLACE PROGRAM</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>NV</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(6)</ExemptCodeSectionTxt>
        <DirectControllingEntityName>
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        <ControlledOrganizationInd>0</ControlledOrganizationInd>
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      <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>1</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>0</RentalOfFcltsFromOthOrgInd>
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      <SharingOfFacilitiesInd>0</SharingOfFacilitiesInd>
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      <ReimbursementPaidToOtherOrgInd>0</ReimbursementPaidToOtherOrgInd>
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        <MethodOfAmountDeterminationTxt>ACTUAL COST</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
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        </OtherOrganizationName>
        <TransactionTypeTxt>O</TransactionTypeTxt>
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        <MethodOfAmountDeterminationTxt>ACTUAL COST</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
    </IRS990ScheduleR>
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</Return>