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      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>1</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>BMT CANADA LTD</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <ForeignAddress>
            <AddressLine1Txt>311 LEGGET DRIVE KANATA</AddressLine1Txt>
            <CityNm>ONTARIO</CityNm>
            <CountryCd>CA</CountryCd>
            <ForeignPostalCd>K2K 1Z8</ForeignPostalCd>
          </ForeignAddress>
        </ContractorAddress>
        <ServicesDesc>RESEARCH SERVICE PROVIDER - PIPELINES</ServicesDesc>
        <CompensationAmt>1818727</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>BLADE ENERGY PARTNERS LLC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>2600 NETWORK BOULEVARD SUITE 550</AddressLine1Txt>
            <CityNm>FRISCO</CityNm>
            <StateAbbreviationCd>TX</StateAbbreviationCd>
            <ZIPCd>75034</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>RESEARCH SERVICE PROVIDER - PIPELINES</ServicesDesc>
        <CompensationAmt>677760</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>ADV INTEGRITY INC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>28213 MEADOW FOREST</AddressLine1Txt>
            <CityNm>MAGNOLIA</CityNm>
            <StateAbbreviationCd>TX</StateAbbreviationCd>
            <ZIPCd>77355</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>RESEARCH SERVICE PROVIDER - PIPELINES</ServicesDesc>
        <CompensationAmt>660787</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>DNV GL USA INC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>PO BOX 74008808</AddressLine1Txt>
            <CityNm>CHICAGO</CityNm>
            <StateAbbreviationCd>IL</StateAbbreviationCd>
            <ZIPCd>60674</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>RESEARCH SERVICE PROVIDER - PIPELINES</ServicesDesc>
        <CompensationAmt>610440</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>CENTER RELIABLE ENERGY SYSTEMS (DBA CRES</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>5858 INNOVATION DRIVE</AddressLine1Txt>
            <CityNm>DUBLIN</CityNm>
            <StateAbbreviationCd>OH</StateAbbreviationCd>
            <ZIPCd>43016</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>RESEARCH SERVICE PROVIDER - PIPELINES</ServicesDesc>
        <CompensationAmt>592842</CompensationAmt>
      </ContractorCompensationGrp>
      <CntrctRcvdGreaterThan100KCnt>28</CntrctRcvdGreaterThan100KCnt>
      <ProgramServiceRevenueGrp>
        <Desc>SUBSCRIPTION FEES</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>10266428</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>10266428</RelatedOrExemptFuncIncomeAmt>
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      <ProgramServiceRevenueGrp>
        <Desc>PIPELINE RESEARCH PROGRAM</Desc>
        <BusinessCd>900099</BusinessCd>
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        <RelatedOrExemptFuncIncomeAmt>4513155</RelatedOrExemptFuncIncomeAmt>
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      <ProgramServiceRevenueGrp>
        <Desc>TESTING FEES</Desc>
        <BusinessCd>900099</BusinessCd>
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        <RelatedOrExemptFuncIncomeAmt>433387</RelatedOrExemptFuncIncomeAmt>
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      <ProgramServiceRevenueGrp>
        <Desc>MEETING SPONSORSHIPS &amp; REGIST.</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>227438</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>202438</RelatedOrExemptFuncIncomeAmt>
        <ExclusionAmt>25000</ExclusionAmt>
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      <TotalProgramServiceRevenueAmt>15440408</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
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        <ExclusionAmt>276557</ExclusionAmt>
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      <RoyaltiesRevenueGrp>
        <TotalRevenueColumnAmt>1629236</TotalRevenueColumnAmt>
        <ExclusionAmt>1629236</ExclusionAmt>
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      <GrossAmountSalesAssetsGrp>
        <SecuritiesAmt>3342487</SecuritiesAmt>
      </GrossAmountSalesAssetsGrp>
      <LessCostOthBasisSalesExpnssGrp>
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      <GainOrLossGrp>
        <SecuritiesAmt>-11755</SecuritiesAmt>
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      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>-11755</TotalRevenueColumnAmt>
        <ExclusionAmt>-11755</ExclusionAmt>
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      <OtherRevenueMiscGrp>
        <Desc>MISCELLANEOUS</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>111840</TotalRevenueColumnAmt>
        <ExclusionAmt>111840</ExclusionAmt>
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      <OtherRevenueMiscGrp>
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        <BusinessCd>900099</BusinessCd>
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        <ExclusionAmt>98251</ExclusionAmt>
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      <TotalRevenueGrp>
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        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>2129129</ExclusionAmt>
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      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>667945</TotalAmt>
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      <OtherSalariesAndWagesGrp>
        <TotalAmt>1693624</TotalAmt>
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      <PensionPlanContributionsGrp>
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      <OtherEmployeeBenefitsGrp>
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      <PayrollTaxesGrp>
        <TotalAmt>153110</TotalAmt>
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      <FeesForServicesLegalGrp>
        <TotalAmt>25645</TotalAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>58223</TotalAmt>
      </FeesForServicesAccountingGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>123009</TotalAmt>
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      <AdvertisingGrp>
        <TotalAmt>79474</TotalAmt>
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      <OfficeExpensesGrp>
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      <InformationTechnologyGrp>
        <TotalAmt>198880</TotalAmt>
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      <RoyaltiesGrp>
        <TotalAmt>906698</TotalAmt>
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      <OccupancyGrp>
        <TotalAmt>1090879</TotalAmt>
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      <TravelGrp>
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      <ConferencesMeetingsGrp>
        <TotalAmt>207085</TotalAmt>
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      <InsuranceGrp>
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      <OtherExpensesGrp>
        <Desc>MISCELLANIOUS EXPENSE</Desc>
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      <TotalFunctionalExpensesGrp>
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        <EOYAmt>275160</EOYAmt>
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      <TotalLiabilitiesGrp>
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      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
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      <DonorRestrictionNetAssetsGrp>
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        <EOYAmt>3825018</EOYAmt>
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      <TotalNetAssetsFundBalanceGrp>
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      <TotLiabNetAssetsFundBalanceGrp>
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      <ReconcilationRevenueExpnssAmt>2437185</ReconcilationRevenueExpnssAmt>
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      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
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      <FederalGrantAuditPerformedInd>1</FederalGrantAuditPerformedInd>
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    <IRS990ScheduleC documentId="RetDoc1039700001">
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      <OnlyInHouseLobbyingInd>1</OnlyInHouseLobbyingInd>
      <AgreeCarryoverPriorYearInd>0</AgreeCarryoverPriorYearInd>
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      <FootnoteTextInd>X</FootnoteTextInd>
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      <RevenueSubtotalAmt>17544537</RevenueSubtotalAmt>
      <RevenueNotReportedFinclStmtAmt>0</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>17544537</TotalRevenuePerForm990Amt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>PRCI PERFORMED AN EVALUATION OF UNCERTAINTY IN INCOME TAXES FOR THE YEAR ENDED DECEMBER 31, 2021, AND DETERMINED THAT THERE ARE NO MATTERS THAT WOULD REQUIRE RECOGNITION IN THE FINANCIAL STATEMENTS OR THAT MAY HAVE ANY EFFECT ON ITS TAX-EXEMPT STATUS. PRCI'S TAX RETURNS ARE SUBJECT TO REVIEW AND EXAMINATION BY FEDERAL, STATE AND LOCAL AUTHORITIES.</ExplanationTxt>
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    <IRS990ScheduleJ documentId="RetDoc1042400001">
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      <WrittenEmploymentContractInd>X</WrittenEmploymentContractInd>
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
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      <RltdOrgOfficerTrstKeyEmplGrp>
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        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
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      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>GARY W HINES</PersonNm>
        <TitleTxt>VICE PRESIDENT, OPERATIONS</TitleTxt>
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        <BonusFilingOrganizationAmount>38625</BonusFilingOrganizationAmount>
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        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>17266</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>32636</NontaxableBenefitsFilingOrgAmt>
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        <TotalCompensationFilingOrgAmt>274660</TotalCompensationFilingOrgAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
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        <TotalCompensationFilingOrgAmt>251933</TotalCompensationFilingOrgAmt>
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        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
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        <NontaxableBenefitsFilingOrgAmt>901</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>197136</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>THOMAS B MARLOW</PersonNm>
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        <NontaxableBenefitsFilingOrgAmt>19818</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>177811</TotalCompensationFilingOrgAmt>
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        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>NATALIE TESSEL</PersonNm>
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