﻿<?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="2023v5.1">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2024-11-12T15:26:23-06:00</ReturnTs>
    <TaxPeriodEndDt>2023-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>410746749</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>CLIFTONLARSONALLEN LLP</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>15303 N DALLAS PARKWAY SUITE 1400</AddressLine1Txt>
        <CityNm>ADDISON</CityNm>
        <StateAbbreviationCd>TX</StateAbbreviationCd>
        <ZIPCd>75001</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990</ReturnTypeCd>
    <TaxPeriodBeginDt>2023-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>522165679</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>PLASTICS PIPE INSTITUTE INC</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>PLAS</BusinessNameControlTxt>
      <PhoneNum>4694991044</PhoneNum>
      <USAddress>
        <AddressLine1Txt>105 DECKER COURT 825</AddressLine1Txt>
        <CityNm>IRVING</CityNm>
        <StateAbbreviationCd>TX</StateAbbreviationCd>
        <ZIPCd>75062</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>DAVID M FINK</PersonNm>
      <PersonTitleTxt>PPI PRESIDENT</PersonTitleTxt>
      <PhoneNum>4694991046</PhoneNum>
      <SignatureDt>2024-11-12</SignatureDt>
      <DiscussWithPaidPreparerInd>1</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>1</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>ALLEN WILLIAMS</PreparerPersonNm>
      <PTIN>P00111425</PTIN>
      <PhoneNum>9723835700</PhoneNum>
      <PreparationDt>2024-11-12</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2023</TaxYr>
    <BuildTS>2024-10-15 13:58:12Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="6">
    <IRS990 documentId="RetDoc1038000001" referenceDocumentId="RetDoc1044400001">
      <PrincipalOfficerNm>DAVID M FINK</PrincipalOfficerNm>
      <USAddress>
        <AddressLine1Txt>105 DECKER COURT 825</AddressLine1Txt>
        <CityNm>IRVING</CityNm>
        <StateAbbreviationCd>TX</StateAbbreviationCd>
        <ZIPCd>75062</ZIPCd>
      </USAddress>
      <GrossReceiptsAmt>5385419</GrossReceiptsAmt>
      <GroupReturnForAffiliatesInd>0</GroupReturnForAffiliatesInd>
      <Organization501cInd organization501cTypeTxt="6">X</Organization501cInd>
      <WebsiteAddressTxt>WWW.PLASTICPIPE.ORG</WebsiteAddressTxt>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <OtherOrganizationDsc>501(C)6</OtherOrganizationDsc>
      <FormationYr>1998</FormationYr>
      <LegalDomicileStateCd>TX</LegalDomicileStateCd>
      <ActivityOrMissionDesc>TO ADVANCE THE ACCEPTANCE AND USE OF PLASTIC PIPE SYSTEMS THROUGH RESEARCH, EDUCATION, TECHNICAL EXPERTISE AND ADVOCACY.</ActivityOrMissionDesc>
      <VotingMembersGoverningBodyCnt>10</VotingMembersGoverningBodyCnt>
      <VotingMembersIndependentCnt>10</VotingMembersIndependentCnt>
      <TotalEmployeeCnt>14</TotalEmployeeCnt>
      <TotalVolunteersCnt>12</TotalVolunteersCnt>
      <TotalGrossUBIAmt>0</TotalGrossUBIAmt>
      <NetUnrelatedBusTxblIncmAmt>0</NetUnrelatedBusTxblIncmAmt>
      <PYContributionsGrantsAmt>359000</PYContributionsGrantsAmt>
      <CYContributionsGrantsAmt>245493</CYContributionsGrantsAmt>
      <PYProgramServiceRevenueAmt>4480374</PYProgramServiceRevenueAmt>
      <CYProgramServiceRevenueAmt>4987265</CYProgramServiceRevenueAmt>
      <PYInvestmentIncomeAmt>53655</PYInvestmentIncomeAmt>
      <CYInvestmentIncomeAmt>152661</CYInvestmentIncomeAmt>
      <PYOtherRevenueAmt>0</PYOtherRevenueAmt>
      <CYOtherRevenueAmt>0</CYOtherRevenueAmt>
      <PYTotalRevenueAmt>4893029</PYTotalRevenueAmt>
      <CYTotalRevenueAmt>5385419</CYTotalRevenueAmt>
      <PYGrantsAndSimilarPaidAmt>0</PYGrantsAndSimilarPaidAmt>
      <CYGrantsAndSimilarPaidAmt>0</CYGrantsAndSimilarPaidAmt>
      <PYBenefitsPaidToMembersAmt>0</PYBenefitsPaidToMembersAmt>
      <CYBenefitsPaidToMembersAmt>0</CYBenefitsPaidToMembersAmt>
      <PYSalariesCompEmpBnftPaidAmt>2455218</PYSalariesCompEmpBnftPaidAmt>
      <CYSalariesCompEmpBnftPaidAmt>2639060</CYSalariesCompEmpBnftPaidAmt>
      <PYTotalProfFndrsngExpnsAmt>0</PYTotalProfFndrsngExpnsAmt>
      <CYTotalProfFndrsngExpnsAmt>0</CYTotalProfFndrsngExpnsAmt>
      <CYTotalFundraisingExpenseAmt>0</CYTotalFundraisingExpenseAmt>
      <PYOtherExpensesAmt>2391086</PYOtherExpensesAmt>
      <CYOtherExpensesAmt>2579231</CYOtherExpensesAmt>
      <PYTotalExpensesAmt>4846304</PYTotalExpensesAmt>
      <CYTotalExpensesAmt>5218291</CYTotalExpensesAmt>
      <PYRevenuesLessExpensesAmt>46725</PYRevenuesLessExpensesAmt>
      <CYRevenuesLessExpensesAmt>167128</CYRevenuesLessExpensesAmt>
      <TotalAssetsBOYAmt>4224390</TotalAssetsBOYAmt>
      <TotalAssetsEOYAmt>4194583</TotalAssetsEOYAmt>
      <TotalLiabilitiesBOYAmt>763879</TotalLiabilitiesBOYAmt>
      <TotalLiabilitiesEOYAmt>504306</TotalLiabilitiesEOYAmt>
      <NetAssetsOrFundBalancesBOYAmt>3460511</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>3690277</NetAssetsOrFundBalancesEOYAmt>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <MissionDesc>PLASTICS PIPE INSTITUTE, INC.'S (PPI) MISSION IS TO MAKE PLASTICS THE MATERIAL OF CHOICE FOR ALL PIPING APPLICATIONS. PPI IS ACCOMPLISHED THROUGH CONTRIBUTING TO THE DEVELOPMENT OF STANDARDS; EDUCATING DESIGNERS, INSTALLERS, USERS, AND GOVERNMENT OFFICIALS; PUBLISHING UP-TO-DATE TECHNICAL AND GENERAL REPORTS; COLLECTING AND PUBLISHING INDUSTRY STATISTICS; ESTABLISHING FORUMS FOR PROBLEM SOLVING AND NEW IDEA GENERATION; MAINTAINING LIAISONS WITH INDUSTRY, EDUCATIONAL, AND GOVERNMENT GROUPS; PROVIDING TECHNICAL FOCUS FOR THE INDUSTRY; AND SUPPLYING THE ASSOCIATED WEB SITES WITH UP-TO-DATE INFORMATION.</MissionDesc>
      <SignificantNewProgramSrvcInd>0</SignificantNewProgramSrvcInd>
      <SignificantChangeInd>0</SignificantChangeInd>
      <Desc>THE PPI ANNUAL MEETING WAS HELD IN MAY AND THE PPI SEMI-ANNUAL MEETING WAS HELD IN OCTOBER, WHERE STAFF MEMBERS PARTICIPATED IN INDUSTRY CONFERENCES CONCERNING PIPE, CONSTRUCTION, ENGINEERING, AND INFRASTRUCTURE ECONOMICS. PPI MEMBERSHIP GREW SLIGHTLY COMPARED WITH THE PRIOR YEAR, WITH APPROXIMATELY 164 MEMBERS. PPI CONTINUES TO CONDUCT RESEARCH INTO VARIOUS ASPECTS OF PLASTIC PIPE AND USE THAT INFORMATION TO IMPROVE AND PROMOTE ITS LONG TERM ECONOMIC AND ENVIRONMENTAL BENEFITS.</Desc>
      <DescribedInSection501c3Ind>0</DescribedInSection501c3Ind>
      <ScheduleBRequiredInd referenceDocumentId="RetDoc1234500001">1</ScheduleBRequiredInd>
      <PoliticalCampaignActyInd referenceDocumentId="RetDoc1039700001">0</PoliticalCampaignActyInd>
      <SubjectToProxyTaxInd referenceDocumentId="RetDoc1039700001">1</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">0</ReportOtherLiabilitiesInd>
      <IncludeFIN48FootnoteInd referenceDocumentId="RetDoc1040000001">1</IncludeFIN48FootnoteInd>
      <IndependentAuditFinclStmtInd referenceDocumentId="RetDoc1040000001">1</IndependentAuditFinclStmtInd>
      <ConsolidatedAuditFinclStmtInd referenceDocumentId="RetDoc1040000001">0</ConsolidatedAuditFinclStmtInd>
      <SchoolOperatingInd>0</SchoolOperatingInd>
      <ForeignOfficeInd>1</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>0</DisregardedEntityInd>
      <RelatedEntityInd>0</RelatedEntityInd>
      <RelatedOrganizationCtrlEntInd>0</RelatedOrganizationCtrlEntInd>
      <ActivitiesConductedPrtshpInd>0</ActivitiesConductedPrtshpInd>
      <ScheduleORequiredInd>1</ScheduleORequiredInd>
      <IRPDocumentCnt>30</IRPDocumentCnt>
      <IRPDocumentW2GCnt>0</IRPDocumentW2GCnt>
      <BackupWthldComplianceInd>1</BackupWthldComplianceInd>
      <EmployeeCnt>14</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>10</GoverningBodyVotingMembersCnt>
      <IndependentVotingMemberCnt>10</IndependentVotingMemberCnt>
      <FamilyOrBusinessRlnInd>0</FamilyOrBusinessRlnInd>
      <DelegationOfMgmtDutiesInd>0</DelegationOfMgmtDutiesInd>
      <ChangeToOrgDocumentsInd>0</ChangeToOrgDocumentsInd>
      <MaterialDiversionOrMisuseInd>0</MaterialDiversionOrMisuseInd>
      <MembersOrStockholdersInd>1</MembersOrStockholdersInd>
      <ElectionOfBoardMembersInd>1</ElectionOfBoardMembersInd>
      <DecisionsSubjectToApprovaInd>1</DecisionsSubjectToApprovaInd>
      <MinutesOfGoverningBodyInd>1</MinutesOfGoverningBodyInd>
      <MinutesOfCommitteesInd>1</MinutesOfCommitteesInd>
      <OfficerMailingAddressInd>0</OfficerMailingAddressInd>
      <LocalChaptersInd>0</LocalChaptersInd>
      <Form990ProvidedToGvrnBodyInd>0</Form990ProvidedToGvrnBodyInd>
      <ConflictOfInterestPolicyInd>1</ConflictOfInterestPolicyInd>
      <AnnualDisclosureCoveredPrsnInd>1</AnnualDisclosureCoveredPrsnInd>
      <RegularMonitoringEnfrcInd>1</RegularMonitoringEnfrcInd>
      <WhistleblowerPolicyInd>1</WhistleblowerPolicyInd>
      <DocumentRetentionPolicyInd>1</DocumentRetentionPolicyInd>
      <CompensationProcessCEOInd>1</CompensationProcessCEOInd>
      <CompensationProcessOtherInd>1</CompensationProcessOtherInd>
      <InvestmentInJointVentureInd>0</InvestmentInJointVentureInd>
      <UponRequestInd>X</UponRequestInd>
      <BooksInCareOfDetail>
        <BusinessName>
          <BusinessNameLine1Txt>DAVID FINK</BusinessNameLine1Txt>
        </BusinessName>
        <PhoneNum>4694991046</PhoneNum>
        <USAddress>
          <AddressLine1Txt>105 DECKER CT SUITE 825</AddressLine1Txt>
          <CityNm>IRVING</CityNm>
          <StateAbbreviationCd>TX</StateAbbreviationCd>
          <ZIPCd>75062</ZIPCd>
        </USAddress>
      </BooksInCareOfDetail>
      <Form990PartVIISectionAGrp>
        <PersonNm>DOUG KELLER</PersonNm>
        <TitleTxt>CHAIR-THRU 5/23;PAST CHAIR-AS 6/23</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>GARY MORGAN</PersonNm>
        <TitleTxt>VICE CHAIR-THRU 5/23;CHAIR-AS 6/23</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JIM JOHNSTON</PersonNm>
        <TitleTxt>DIR-THRU 5/23; VICE CHAIR-AS OF 6/23</TitleTxt>
        <AverageHoursPerWeekRt>0.50</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>KATE OLINGER</PersonNm>
        <TitleTxt>TREASURER-AS OF 6/23</TitleTxt>
        <AverageHoursPerWeekRt>0.50</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>CARL BAKER</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>0.50</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>BARB DONALDSON</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>0.50</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DELL DOYLE</PersonNm>
        <TitleTxt>ADVISORY COUNCIL-AS OF 6/23</TitleTxt>
        <AverageHoursPerWeekRt>0.50</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DUSTIN LANGSTON</PersonNm>
        <TitleTxt>ADV. COUNCIL-THRU 5/23; DIR-AS 6/23</TitleTxt>
        <AverageHoursPerWeekRt>0.50</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>STEFAN LUPKE</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>0.50</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JOE PONIATOWSKI</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>0.50</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>PETER ZUT</PersonNm>
        <TitleTxt>PAST CHAIR-THRU 5/23</TitleTxt>
        <AverageHoursPerWeekRt>0.50</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>BRANDY HERRMANN</PersonNm>
        <TitleTxt>TREASURER-THRU 5/23</TitleTxt>
        <AverageHoursPerWeekRt>0.50</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DAVID FINK</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>314829</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>75248</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>CAMILLE GEORGE RUBEIZ</PersonNm>
        <TitleTxt>SENIOR DIVISION ENGINEER</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <KeyEmployeeInd>X</KeyEmployeeInd>
        <ReportableCompFromOrgAmt>248207</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>61049</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>SARAH PATTERSON</PersonNm>
        <TitleTxt>TECHNICAL DIRECTOR &amp; HSB C</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <KeyEmployeeInd>X</KeyEmployeeInd>
        <ReportableCompFromOrgAmt>233495</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>44687</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DANIEL CURRENCE</PersonNm>
        <TitleTxt>DIRECTOR OF ENGINEERING</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <KeyEmployeeInd>X</KeyEmployeeInd>
        <ReportableCompFromOrgAmt>214082</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>48375</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>LANCE MACNEVIN</PersonNm>
        <TitleTxt>DIRECTOR OF ENGINEERING</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <KeyEmployeeInd>X</KeyEmployeeInd>
        <ReportableCompFromOrgAmt>210189</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>49529</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>RANDALL KNAPP</PersonNm>
        <TitleTxt>DIRECTOR OF ENGINEERING</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <KeyEmployeeInd>X</KeyEmployeeInd>
        <ReportableCompFromOrgAmt>206107</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>48105</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>1426909</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>326993</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>8</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>1</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>CLVR</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>2155 CHENAULT DR STE 509</AddressLine1Txt>
            <CityNm>CARROLLTON</CityNm>
            <StateAbbreviationCd>TX</StateAbbreviationCd>
            <ZIPCd>75006</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>BRANDING, WEBSITE DEVELOPMENTS INCLUDING</ServicesDesc>
        <CompensationAmt>189085</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>THORN RUN PARTNERS</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>100 M STREET SE STE 750</AddressLine1Txt>
            <CityNm>WASHINGTON</CityNm>
            <StateAbbreviationCd>DC</StateAbbreviationCd>
            <ZIPCd>20003</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>LOBBYING</ServicesDesc>
        <CompensationAmt>154918</CompensationAmt>
      </ContractorCompensationGrp>
      <CntrctRcvdGreaterThan100KCnt>2</CntrctRcvdGreaterThan100KCnt>
      <AllOtherContributionsAmt>245493</AllOtherContributionsAmt>
      <TotalContributionsAmt>245493</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>MEMBERSHIP DUES</Desc>
        <BusinessCd>813910</BusinessCd>
        <TotalRevenueColumnAmt>3687306</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>3687306</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>LISTING FEES</Desc>
        <BusinessCd>813910</BusinessCd>
        <TotalRevenueColumnAmt>542454</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>542454</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>MEETINGS AND SEMINARS</Desc>
        <BusinessCd>813910</BusinessCd>
        <TotalRevenueColumnAmt>496481</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>496481</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>LOBBYING UNDERWRITING</Desc>
        <BusinessCd>813910</BusinessCd>
        <TotalRevenueColumnAmt>176000</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>176000</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>3RD PARTY CERTIFICTION</Desc>
        <BusinessCd>813910</BusinessCd>
        <TotalRevenueColumnAmt>19000</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>19000</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalOthProgramServiceRevGrp>
        <TotalRevenueColumnAmt>66024</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>66024</RelatedOrExemptFuncIncomeAmt>
      </TotalOthProgramServiceRevGrp>
      <TotalProgramServiceRevenueAmt>4987265</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>149748</TotalRevenueColumnAmt>
        <ExclusionAmt>149748</ExclusionAmt>
      </InvestmentIncomeGrp>
      <GrossAmountSalesAssetsGrp>
        <SecuritiesAmt>2913</SecuritiesAmt>
      </GrossAmountSalesAssetsGrp>
      <LessCostOthBasisSalesExpnssGrp>
        <SecuritiesAmt>0</SecuritiesAmt>
      </LessCostOthBasisSalesExpnssGrp>
      <GainOrLossGrp>
        <SecuritiesAmt>2913</SecuritiesAmt>
      </GainOrLossGrp>
      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>2913</TotalRevenueColumnAmt>
        <ExclusionAmt>2913</ExclusionAmt>
      </NetGainOrLossInvestmentsGrp>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>5385419</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>4987265</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>152661</ExclusionAmt>
      </TotalRevenueGrp>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>390077</TotalAmt>
      </CompCurrentOfcrDirectorsGrp>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>1731992</TotalAmt>
      </OtherSalariesAndWagesGrp>
      <PensionPlanContributionsGrp>
        <TotalAmt>45823</TotalAmt>
      </PensionPlanContributionsGrp>
      <OtherEmployeeBenefitsGrp>
        <TotalAmt>358795</TotalAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>112373</TotalAmt>
      </PayrollTaxesGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>70172</TotalAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>61855</TotalAmt>
      </FeesForServicesAccountingGrp>
      <FeesForServicesLobbyingGrp>
        <TotalAmt>240457</TotalAmt>
      </FeesForServicesLobbyingGrp>
      <AdvertisingGrp>
        <TotalAmt>291522</TotalAmt>
      </AdvertisingGrp>
      <OfficeExpensesGrp>
        <TotalAmt>8439</TotalAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>42190</TotalAmt>
      </InformationTechnologyGrp>
      <OccupancyGrp>
        <TotalAmt>120149</TotalAmt>
      </OccupancyGrp>
      <TravelGrp>
        <TotalAmt>521686</TotalAmt>
      </TravelGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>598754</TotalAmt>
      </ConferencesMeetingsGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>52390</TotalAmt>
      </DepreciationDepletionGrp>
      <InsuranceGrp>
        <TotalAmt>29767</TotalAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>RESEARCH &amp; DEVELOPMENT</Desc>
        <TotalAmt>320721</TotalAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>FITTING ANALYSIS</Desc>
        <TotalAmt>44977</TotalAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>DUES AND SUBSCRIPTIONS</Desc>
        <TotalAmt>44281</TotalAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>RECRUITING</Desc>
        <TotalAmt>26600</TotalAmt>
      </OtherExpensesGrp>
      <AllOtherExpensesGrp>
        <TotalAmt>105271</TotalAmt>
      </AllOtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>5218291</TotalAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>268602</BOYAmt>
        <EOYAmt>276889</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
        <BOYAmt>1559229</BOYAmt>
        <EOYAmt>1689164</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <AccountsReceivableGrp>
        <BOYAmt>464040</BOYAmt>
        <EOYAmt>179208</EOYAmt>
      </AccountsReceivableGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>31703</BOYAmt>
        <EOYAmt>164133</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipCostOrOtherBssAmt>139057</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>96338</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>62507</BOYAmt>
        <EOYAmt>42719</EOYAmt>
      </LandBldgEquipBasisNetGrp>
      <InvestmentsPubTradedSecGrp>
        <BOYAmt>1274275</BOYAmt>
        <EOYAmt>1355746</EOYAmt>
      </InvestmentsPubTradedSecGrp>
      <IntangibleAssetsGrp>
        <BOYAmt>164498</BOYAmt>
        <EOYAmt>135459</EOYAmt>
      </IntangibleAssetsGrp>
      <OtherAssetsTotalGrp>
        <BOYAmt>399536</BOYAmt>
        <EOYAmt>351265</EOYAmt>
      </OtherAssetsTotalGrp>
      <TotalAssetsGrp>
        <BOYAmt>4224390</BOYAmt>
        <EOYAmt>4194583</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>51170</BOYAmt>
        <EOYAmt>107608</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <OtherLiabilitiesGrp>
        <BOYAmt>712709</BOYAmt>
        <EOYAmt>396698</EOYAmt>
      </OtherLiabilitiesGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>763879</BOYAmt>
        <EOYAmt>504306</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
        <BOYAmt>3460511</BOYAmt>
        <EOYAmt>3690277</EOYAmt>
      </NoDonorRestrictionNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>3460511</BOYAmt>
        <EOYAmt>3690277</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>4224390</BOYAmt>
        <EOYAmt>4194583</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>167128</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>62638</NetUnrlzdGainsLossesInvstAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>0</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleB documentId="RetDoc1234500001">
      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleC documentId="RetDoc1039700001">
      <SubstantiallyAllDuesNondedInd>0</SubstantiallyAllDuesNondedInd>
      <OnlyInHouseLobbyingInd>0</OnlyInHouseLobbyingInd>
      <AgreeCarryoverPriorYearInd>1</AgreeCarryoverPriorYearInd>
      <DuesAssessmentsAmt>3687306</DuesAssessmentsAmt>
      <NonDeductibleLbbyngPltclCYAmt>240457</NonDeductibleLbbyngPltclCYAmt>
      <NonDedLbbyngPltclCyovAmt>227920</NonDedLbbyngPltclCyovAmt>
      <NonDeductibleLbbyngPltclTotAmt>468377</NonDeductibleLbbyngPltclTotAmt>
      <AggregateReportedDuesNtcAmt>73746</AggregateReportedDuesNtcAmt>
      <CarriedOverAmt>394631</CarriedOverAmt>
    </IRS990ScheduleC>
    <IRS990ScheduleD documentId="RetDoc1040000001">
      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>139057</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>96338</DepreciationAmt>
        <BookValueAmt>42719</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>42719</TotalBookValueLandBuildingsAmt>
      <OtherAssetsOrgGrp>
        <Desc>RIGHT OF USE ASSETS</Desc>
        <BookValueAmt>310290</BookValueAmt>
      </OtherAssetsOrgGrp>
      <OtherAssetsOrgGrp>
        <Desc>OTHER ASSETS</Desc>
        <BookValueAmt>40975</BookValueAmt>
      </OtherAssetsOrgGrp>
      <TotalBookValueOtherAssetsAmt>351265</TotalBookValueOtherAssetsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>UNEARNED DUES REVENUE</Desc>
        <Amt>57041</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>LEASE LIABILITY</Desc>
        <Amt>339657</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>396698</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>5448057</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>62638</NetUnrealizedGainsInvstAmt>
      <RevenueNotReportedAmt>62638</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>5385419</RevenueSubtotalAmt>
      <RevenueNotReportedFinclStmtAmt>0</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>5385419</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>5218291</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesNotReportedAmt>0</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>5218291</ExpensesSubtotalAmt>
      <ExpensesNotRptFinclStmtAmt>0</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>5218291</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE INSTITUTE IS EXEMPT FROM FEDERAL INCOME TAXES UNDER SECTION 501 (A) OF THE INTERNAL REVENUE CODE OF 1986, AS AMENDED, AS AN ORGANIZATION DESCRIBED IN IRC SECTION 501(C)(6). INCOME GENERATED FROM ACTIVITIES UNRELATED TO THE INSTITUTE'S EXEMPT PURPOSE IS SUBJECT TO TAX UNDER IRC SECTION 511. THE INSTITUTE DID NOT HAVE ANY MATERIAL UNRELATED INCOME TAX LIABILITY FOR THE YEARS ENDED DECEMBER 31, 2023 AND 2022. THEREFORE, NO TAX LIABILITY HAS BEEN PROVIDED IN THE ACCOMPANYING FINANCIAL STATEMENTS. THE INSTITUTE FILES INFORMATION RETURNS (FORM 990) WITH THE INTERNAL REVENUE SERVICE. THE INSTITUTE'S RETURNS ARE OPEN FOR EXAMINATIONS BY TAX AUTHORITIES FOR THE PREVIOUS THREE YEARS. THE INSTITUTE FOLLOWS THE PROVISIONS OF UNCERTAIN TAX POSITIONS AS ADDRESSED IN FASB ACCOUNTING STANDARDS CODIFICATION 740-10-65-1 AND HAS NOT TAKEN AN UNCERTAIN TAX POSITION THAT WOULD REQUIRE ADDITIONAL DISCLOSURES.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <SubstantiationRequiredInd>1</SubstantiationRequiredInd>
      <CompensationCommitteeInd>X</CompensationCommitteeInd>
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>0</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>0</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <AnyNonFixedPaymentsInd>1</AnyNonFixedPaymentsInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>DAVID FINK</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <BaseCompensationFilingOrgAmt>291853</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>22976</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>12850</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>62398</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>390077</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>CAMILLE GEORGE RUBEIZ</PersonNm>
        <TitleTxt>SENIOR DIVISION ENGINEER</TitleTxt>
        <BaseCompensationFilingOrgAmt>248207</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>10209</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>50840</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>309256</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>SARAH PATTERSON</PersonNm>
        <TitleTxt>TECHNICAL DIRECTOR &amp; HSB C</TitleTxt>
        <BaseCompensationFilingOrgAmt>233495</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>44687</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>278182</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>DANIEL CURRENCE</PersonNm>
        <TitleTxt>DIRECTOR OF ENGINEERING</TitleTxt>
        <BaseCompensationFilingOrgAmt>214082</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>8731</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>39644</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>262457</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>LANCE MACNEVIN</PersonNm>
        <TitleTxt>DIRECTOR OF ENGINEERING</TitleTxt>
        <BaseCompensationFilingOrgAmt>204189</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>6000</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>8637</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>40892</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>259718</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>RANDALL KNAPP</PersonNm>
        <TitleTxt>DIRECTOR OF ENGINEERING</TitleTxt>
        <BaseCompensationFilingOrgAmt>206107</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>8444</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>39661</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>254212</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 7</FormAndLineReferenceDesc>
        <ExplanationTxt>THE PRESIDENT'S BONUS IS BASED ON PERFORMANCE METRICS AND A BOARD HR COMMITTEE REVIEW. THE DIRECTOR OF ENGINEERING'S BONUS IS BASED ON A SUBSTANTIAL AMOUNT OF NEW MEMBERS AND RELATED INCREMENTAL REVENUE OBTAINED FROM THESE NEW MEMBERS IN 2023.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 1A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE EXECUTIVE COMMITTEE SHALL BE COMPOSED OF THE CHAIR OF THE BOARD, VICE CHAIR OF THE BOARD, TREASURER, AND SECRETARY. THE EXECUTIVE COMMITTEE SHALL EXERCISE ALL POWERS OF THE BOARD OF DIRECTORS WHEN THE BOARD IS NOT IN SESSION. THE SECRETARY SHALL SUBMIT PERIODIC REPORTS TO THE BOARD OF DIRECTORS ON THE ACTIONS TAKEN IN THE NAME OF THE INSTITUTE BY THE EXECUTIVE COMMITTEE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>VOTING MEMBERSHIP SHALL CONSIST OF ANY CORPORATION, PARTNERSHIP, OR SOLE PROPRIETORSHIP THAT TRANSFORMS RAW MATERIALS THROUGH MANUFACTURING AND IS ACTIVELY ENGAGED IN SELLING PRODUCTS IN NORTH AMERICA, WHICH BECOME PART OF PLASTICS PIPING SYSTEMS, OR MACHINERY OR EQUIPMENT USED IN FABRICATING OR INSTALLING PLASTIC PIPE OR FITTINGS FOR PLASTICS PIPING SYSTEMS, SHALL BE ELIGIBLE FOR VOTING MEMBERSHIP. A COMPANY MUST JOIN AT LEAST ONE DIVISION AT THE 1POINT LEVEL IN ORDER TO QUALIFY FOR VOTING MEMBERSHIP. A COMPANY MAY NOT JOIN A DIVISION IN WHICH IT DOES NOT HAVE SALES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>VOTING MEMBERS HAVE THE ABILITY TO VOTE AND ELECT THE BOARD OF DIRECTORS AND THEIR RESPECTIVE DIVISION CHAIRS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>MEMBERS' OTHER GOVERNANCE DECISIONS: - EACH VOTING MEMBER COMPANY SHALL BE ENTITLED TO ONE VOTE ON MATTERS SUBJECT TO VOTE BY EACH DIVISION OF PPI TO WHICH THE VOTING MEMBER PAYS DUES, FOR EXAMPLE, A DIVISION'S ANNUAL BUDGET, AS WELL AS IN COMMITTEES IN WHICH THE MEMBER SERVES. - IF A MEMBER FAILS TO ABIDE BY ANY PROVISION OF THESE BYLAWS, IT MAY BE DROPPED FROM MEMBERSHIP BY 2/3 VOTE OF THE VOTING MEMBERS OF PPI AT ANY REGULAR OR SPECIAL MEETING. - THESE BYLAWS MAY BE AMENDED, REPEALED OR ALTERED, IN WHOLE OR IN PART, BY A MAJORITY OF 2/3 OF THE VOTING MEMBERS PRESENT AT ANY DULY CALLED MEETING OF PPI, OR BY MAJORITY OF 2/3 OF THOSE RESPONDING TO A LETTER BALLOT. - PPI MAY BE DISSOLVED AND ITS CERTIFICATE OF INCORPORATION SURRENDERED AT ANY MEETING OF PPI BY A 2/3 VOTE OF THE MEMBERS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE EXECUTIVE DIRECTOR REVIEWS THE FORM 990. IT IS SUBSEQUENTLY GIVEN TO THE BOARD OF DIRECTORS. SHOULD THE BOARD OF DIRECTORS HAVE ANY QUESTIONS, THEY ARE DIRECTED TO THE EXECUTIVE DIRECTOR OR THE INDEPENDENT CPA FIRM WHO PREPARED THE RETURN.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MEMBERS OF THE BOARD OF DIRECTORS SHOULD BE AWARE THAT CONFLICTS OF INTEREST CAN ARISE AND NOT ACT IN ANY MANNER THAT IS CONTRARY TO THE BEST INTERESTS OF PPI. THE CONFLICT OF INTEREST POLICY HELPS CONSTITUTE WHAT ONE IS, ASSISTS THE BOARD IN IDENTIFYING AND DISCLOSING ACTUAL AND POTENTIAL CONFLICTS, AND HELPS ENSURE THE AVOIDANCE OF CONFLICTS OF INTEREST. ALL ACTUAL AND POTENTIAL CONFLICTS OF INTEREST SHALL BE DISCLOSED BY BOARD MEMBERS TO THE EXECUTIVE COMMITTEE THROUGH THE ANNUAL DISCLOSURE FORM AND/OR WHENEVER AN ACTUAL OR POTENTIAL CONFLICT ARISES. DETERMINATION OF ANY CONFLICT OF INTEREST IS MADE BY DISINTERESTED BOARD MEMBERS ON THE EXECUTIVE COMMITTEE AND WHAT SUBSEQUENT ACTION (IF ANY) IS APPROPRIATE. ALL INTERESTED BOARD MEMBER(S) ARE RECUSED FROM PARTICIPATING IN DEBATES AND VOTING ON THE MATTER INVOLVING THE CONFLICT OF INTEREST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>CONSULTANT REPORTS WERE UTILIZED AS A REFERENCE FOR COMPENSATION FOR THE PRESIDENT. THE HR COMMITTEE OF THE PPI BOARD MET TO DETERMINE AND APPROVE THE COMPENSATION FOLLOWING A SELF-EVALUATION BY THE PRESIDENT AND A PERFORMANCE REVIEW. KEY EMPLOYEES COMPENSATION WAS DETERMINED USING CONSULTATION REPORTS FOR TRADE ASSOCIATIONS. THE PRESIDENT OF PPI REVIEWED THEM TO DETERMINE APPROPRIATE COMPENSATION AND ESTABLISHED ANNUAL PERFORMANCE METRICS AND A PERFORMANCE REVIEW WAS USED TO DETERMINE COMPENSATION AND ANNUAL RAISES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BYLAWS ARE AVAILABLE UPON REQUEST. THE FINANCIAL STATEMENTS ARE SHARED WITH THE FINANCE COMMITTEE, BOARD OF DIRECTORS, STAFF, AND ARE AVAILABLE TO OTHERS UPON REQUEST. THE ETHICS POLICY IS SHARED WITH ALL MEMBER COMPANIES, STAFF, AND IS AVAILABLE TO OTHERS UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>