﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" returnVersion="2018v3.1" xsi:schemaLocation="http://www.irs.gov/efile">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2019-11-11T10:31:41-08:00</ReturnTs>
    <TaxPeriodEndDt>2018-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>760269860</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>Blazek &amp; Vetterling</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>2900 Weslayan Suite 200</AddressLine1Txt>
        <CityNm>Houston</CityNm>
        <StateAbbreviationCd>TX</StateAbbreviationCd>
        <ZIPCd>770275132</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990</ReturnTypeCd>
    <TaxPeriodBeginDt>2018-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>741707537</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>International Association of Geophysical</BusinessNameLine1Txt>
        <BusinessNameLine2Txt>Contractors</BusinessNameLine2Txt>
      </BusinessName>
      <BusinessNameControlTxt>INTE</BusinessNameControlTxt>
      <PhoneNum>7139578080</PhoneNum>
      <USAddress>
        <AddressLine1Txt>1225 North Loop West</AddressLine1Txt>
        <CityNm>Houston</CityNm>
        <StateAbbreviationCd>TX</StateAbbreviationCd>
        <ZIPCd>77008</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>Nikki C Martin</PersonNm>
      <PersonTitleTxt>President</PersonTitleTxt>
      <SignatureDt>2019-11-11</SignatureDt>
      <DiscussWithPaidPreparerInd>true</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <PreparerPersonGrp>
      <PreparerPersonNm>Barbara Murphy</PreparerPersonNm>
      <PTIN>P01386215</PTIN>
      <PhoneNum>7134395739</PhoneNum>
    </PreparerPersonGrp>
    <TaxYr>2018</TaxYr>
    <BuildTS>2020-04-17 16:48:07Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="6">
    <IRS990 documentId="IRS990" referenceDocumentId="IRS990ScheduleO" softwareId="18007218" softwareVersionNum="2018v3.1">
      <PrincipalOfficerNm>Nikki C Martin</PrincipalOfficerNm>
      <USAddress>
        <AddressLine1Txt>1225 North Loop West 220</AddressLine1Txt>
        <CityNm>Houston</CityNm>
        <StateAbbreviationCd>TX</StateAbbreviationCd>
        <ZIPCd>77008</ZIPCd>
      </USAddress>
      <GrossReceiptsAmt>2774962</GrossReceiptsAmt>
      <GroupReturnForAffiliatesInd>false</GroupReturnForAffiliatesInd>
      <AllAffiliatesIncludedInd>false</AllAffiliatesIncludedInd>
      <Organization501cInd organization501cTypeTxt="6">X</Organization501cInd>
      <WebsiteAddressTxt>www.iagc.org</WebsiteAddressTxt>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <FormationYr>1971</FormationYr>
      <LegalDomicileStateCd>TX</LegalDomicileStateCd>
      <ActivityOrMissionDesc>The International Association of Geophysical Contractors (IAGC) is the international trade association representing the industry that provides geophysical services to the oil and gas industry.</ActivityOrMissionDesc>
      <VotingMembersGoverningBodyCnt>13</VotingMembersGoverningBodyCnt>
      <VotingMembersIndependentCnt>13</VotingMembersIndependentCnt>
      <TotalEmployeeCnt>9</TotalEmployeeCnt>
      <TotalVolunteersCnt>75</TotalVolunteersCnt>
      <TotalGrossUBIAmt>0</TotalGrossUBIAmt>
      <CYContributionsGrantsAmt>0</CYContributionsGrantsAmt>
      <PYProgramServiceRevenueAmt>2747796</PYProgramServiceRevenueAmt>
      <CYProgramServiceRevenueAmt>2767296</CYProgramServiceRevenueAmt>
      <CYInvestmentIncomeAmt>7666</CYInvestmentIncomeAmt>
      <PYOtherRevenueAmt>725</PYOtherRevenueAmt>
      <CYOtherRevenueAmt>0</CYOtherRevenueAmt>
      <PYTotalRevenueAmt>2748521</PYTotalRevenueAmt>
      <CYTotalRevenueAmt>2774962</CYTotalRevenueAmt>
      <CYGrantsAndSimilarPaidAmt>0</CYGrantsAndSimilarPaidAmt>
      <CYBenefitsPaidToMembersAmt>0</CYBenefitsPaidToMembersAmt>
      <PYSalariesCompEmpBnftPaidAmt>1292595</PYSalariesCompEmpBnftPaidAmt>
      <CYSalariesCompEmpBnftPaidAmt>1425225</CYSalariesCompEmpBnftPaidAmt>
      <CYTotalProfFndrsngExpnsAmt>0</CYTotalProfFndrsngExpnsAmt>
      <CYTotalFundraisingExpenseAmt>0</CYTotalFundraisingExpenseAmt>
      <PYOtherExpensesAmt>1160820</PYOtherExpensesAmt>
      <CYOtherExpensesAmt>1543600</CYOtherExpensesAmt>
      <PYTotalExpensesAmt>2453415</PYTotalExpensesAmt>
      <CYTotalExpensesAmt>2968825</CYTotalExpensesAmt>
      <PYRevenuesLessExpensesAmt>295106</PYRevenuesLessExpensesAmt>
      <CYRevenuesLessExpensesAmt>-193863</CYRevenuesLessExpensesAmt>
      <TotalAssetsBOYAmt>2929025</TotalAssetsBOYAmt>
      <TotalAssetsEOYAmt>2459742</TotalAssetsEOYAmt>
      <TotalLiabilitiesBOYAmt>635719</TotalLiabilitiesBOYAmt>
      <TotalLiabilitiesEOYAmt>360299</TotalLiabilitiesEOYAmt>
      <NetAssetsOrFundBalancesBOYAmt>2293306</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>2099443</NetAssetsOrFundBalancesEOYAmt>
      <MissionDesc>International Association of Geophysical Contractors (IAGC) optimizes the business and regulatory climate, and enhances public understanding to support a strong, viable geophysical industry essential to discovering and delivering the world's energy resources.IAGC's vision is to be the most credible and effective voice for promoting and ensuring a safe, environmentally responsible and competitive geophysical industry.</MissionDesc>
      <SignificantNewProgramSrvcInd>false</SignificantNewProgramSrvcInd>
      <SignificantChangeInd>false</SignificantChangeInd>
      <Desc>Government &amp; Regulatory Management: The IAGC engages governments and stakeholders worldwide with informed scientific, technical and legal analysis to protect the environment and develop essential energy supplies. The IAGC monitors and educates members and organizes consistent industry positions on regulatory initiatives and policies affecting the geophysical and exploration industries to ensure continued access for energy exploration. The IAGC supports and fosters science- and risk-based regulations consistent with existing practices that are proven to be environmentally responsible, effective and operationally feasible.</Desc>
      <ProgSrvcAccomActy2Grp>
        <Desc>Communications &amp; External Affairs: The IAGC elevates the visibility of our members and the geophysical and exploration industry through external public and stakeholder engagement and media outreach. This includes industry events and public forums, external media products and campaigns, news media engagement, and initiatives to improve the public image of the industry. The IAGC also establishes strong cooperative relationships with relevant international and national trade associations and organizations to create alignment and enhance industry unity and effectiveness in advocacy and communications globally. The IAGC informs members of association activity, events, and industry issues through member communications.</Desc>
      </ProgSrvcAccomActy2Grp>
      <ProgSrvcAccomActy3Grp>
        <Desc>Promoting the Health of the Industry: The IAGC facilitates continuous improvement and promotion of the industrys technological innovation, operations, and commitment to health, safety, security, and environment. The IAGC addresses issues that pose risk to the industrys regulatory and fiscal certainty, and recommends best practices, statements of principles and model contracts to promote environmental protection, safety, and efficiency. The IAGC tracks science with high impact potential and invests in scientific research to ensure critical knowledge gaps regarding the potential environmental effects of exploration activities are filled. The IAGC equips members with scientific information, regulatory compliance resources and public advocacy materials.</Desc>
      </ProgSrvcAccomActy3Grp>
      <DescribedInSection501c3Ind>false</DescribedInSection501c3Ind>
      <ScheduleBRequiredInd>false</ScheduleBRequiredInd>
      <PoliticalCampaignActyInd referenceDocumentId="IRS990ScheduleC">false</PoliticalCampaignActyInd>
      <SubjectToProxyTaxInd referenceDocumentId="IRS990ScheduleC">true</SubjectToProxyTaxInd>
      <DonorAdvisedFundInd referenceDocumentId="IRS990ScheduleD">false</DonorAdvisedFundInd>
      <ConservationEasementsInd referenceDocumentId="IRS990ScheduleD">false</ConservationEasementsInd>
      <CollectionsOfArtInd referenceDocumentId="IRS990ScheduleD">false</CollectionsOfArtInd>
      <CreditCounselingInd referenceDocumentId="IRS990ScheduleD">false</CreditCounselingInd>
      <TempOrPermanentEndowmentsInd referenceDocumentId="IRS990ScheduleD">false</TempOrPermanentEndowmentsInd>
      <ReportLandBuildingEquipmentInd referenceDocumentId="IRS990ScheduleD">true</ReportLandBuildingEquipmentInd>
      <ReportInvestmentsOtherSecInd referenceDocumentId="IRS990ScheduleD">false</ReportInvestmentsOtherSecInd>
      <ReportProgramRelatedInvstInd referenceDocumentId="IRS990ScheduleD">false</ReportProgramRelatedInvstInd>
      <ReportOtherAssetsInd referenceDocumentId="IRS990ScheduleD">false</ReportOtherAssetsInd>
      <ReportOtherLiabilitiesInd referenceDocumentId="IRS990ScheduleD">false</ReportOtherLiabilitiesInd>
      <IncludeFIN48FootnoteInd referenceDocumentId="IRS990ScheduleD">false</IncludeFIN48FootnoteInd>
      <IndependentAuditFinclStmtInd referenceDocumentId="IRS990ScheduleD">false</IndependentAuditFinclStmtInd>
      <ConsolidatedAuditFinclStmtInd referenceDocumentId="IRS990ScheduleD">false</ConsolidatedAuditFinclStmtInd>
      <SchoolOperatingInd>false</SchoolOperatingInd>
      <ForeignOfficeInd>true</ForeignOfficeInd>
      <ForeignActivitiesInd referenceDocumentId="IRS990ScheduleF">true</ForeignActivitiesInd>
      <MoreThan5000KToOrgInd referenceDocumentId="IRS990ScheduleF">false</MoreThan5000KToOrgInd>
      <MoreThan5000KToIndividualsInd referenceDocumentId="IRS990ScheduleF">false</MoreThan5000KToIndividualsInd>
      <ProfessionalFundraisingInd>false</ProfessionalFundraisingInd>
      <FundraisingActivitiesInd>false</FundraisingActivitiesInd>
      <GamingActivitiesInd>false</GamingActivitiesInd>
      <OperateHospitalInd>false</OperateHospitalInd>
      <GrantsToOrganizationsInd>false</GrantsToOrganizationsInd>
      <GrantsToIndividualsInd>false</GrantsToIndividualsInd>
      <ScheduleJRequiredInd referenceDocumentId="IRS990ScheduleJ">true</ScheduleJRequiredInd>
      <TaxExemptBondsInd>false</TaxExemptBondsInd>
      <InvestTaxExemptBondsInd>false</InvestTaxExemptBondsInd>
      <EscrowAccountInd>false</EscrowAccountInd>
      <OnBehalfOfIssuerInd>false</OnBehalfOfIssuerInd>
      <LoanOutstandingInd>false</LoanOutstandingInd>
      <GrantToRelatedPersonInd>false</GrantToRelatedPersonInd>
      <BusinessRlnWithOrgMemInd>false</BusinessRlnWithOrgMemInd>
      <BusinessRlnWithFamMemInd>false</BusinessRlnWithFamMemInd>
      <BusinessRlnWithOfficerEntInd>false</BusinessRlnWithOfficerEntInd>
      <DeductibleNonCashContriInd>false</DeductibleNonCashContriInd>
      <DeductibleArtContributionInd>false</DeductibleArtContributionInd>
      <TerminateOperationsInd>false</TerminateOperationsInd>
      <PartialLiquidationInd>false</PartialLiquidationInd>
      <DisregardedEntityInd>false</DisregardedEntityInd>
      <RelatedEntityInd>false</RelatedEntityInd>
      <RelatedOrganizationCtrlEntInd>false</RelatedOrganizationCtrlEntInd>
      <ActivitiesConductedPrtshpInd>false</ActivitiesConductedPrtshpInd>
      <ScheduleORequiredInd>true</ScheduleORequiredInd>
      <IRPDocumentCnt>7</IRPDocumentCnt>
      <IRPDocumentW2GCnt>0</IRPDocumentW2GCnt>
      <BackupWthldComplianceInd>true</BackupWthldComplianceInd>
      <EmployeeCnt>9</EmployeeCnt>
      <EmploymentTaxReturnsFiledInd>true</EmploymentTaxReturnsFiledInd>
      <UnrelatedBusIncmOverLimitInd>false</UnrelatedBusIncmOverLimitInd>
      <Form990TFiledInd>false</Form990TFiledInd>
      <ForeignFinancialAccountInd>false</ForeignFinancialAccountInd>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <TaxablePartyNotificationInd>false</TaxablePartyNotificationInd>
      <NondeductibleContributionsInd>true</NondeductibleContributionsInd>
      <NondeductibleContriDisclInd>true</NondeductibleContriDisclInd>
      <DAFExcessBusinessHoldingsInd>false</DAFExcessBusinessHoldingsInd>
      <TaxableDistributionsInd>false</TaxableDistributionsInd>
      <DistributionToDonorInd>false</DistributionToDonorInd>
      <OrgFiledInLieuOfForm1041Ind>false</OrgFiledInLieuOfForm1041Ind>
      <LicensedMoreThanOneStateInd>false</LicensedMoreThanOneStateInd>
      <IndoorTanningServicesInd>false</IndoorTanningServicesInd>
      <SubjToTaxRmnrtnExPrchtPymtInd>false</SubjToTaxRmnrtnExPrchtPymtInd>
      <SubjectToExcsTaxNetInvstIncInd>false</SubjectToExcsTaxNetInvstIncInd>
      <InfoInScheduleOPartVIInd>X</InfoInScheduleOPartVIInd>
      <GoverningBodyVotingMembersCnt>13</GoverningBodyVotingMembersCnt>
      <IndependentVotingMemberCnt>13</IndependentVotingMemberCnt>
      <FamilyOrBusinessRlnInd>false</FamilyOrBusinessRlnInd>
      <DelegationOfMgmtDutiesInd>false</DelegationOfMgmtDutiesInd>
      <ChangeToOrgDocumentsInd>false</ChangeToOrgDocumentsInd>
      <MaterialDiversionOrMisuseInd>false</MaterialDiversionOrMisuseInd>
      <MembersOrStockholdersInd>true</MembersOrStockholdersInd>
      <ElectionOfBoardMembersInd>true</ElectionOfBoardMembersInd>
      <DecisionsSubjectToApprovaInd>true</DecisionsSubjectToApprovaInd>
      <MinutesOfGoverningBodyInd>true</MinutesOfGoverningBodyInd>
      <MinutesOfCommitteesInd>true</MinutesOfCommitteesInd>
      <OfficerMailingAddressInd>false</OfficerMailingAddressInd>
      <LocalChaptersInd>true</LocalChaptersInd>
      <PoliciesReferenceChaptersInd>true</PoliciesReferenceChaptersInd>
      <Form990ProvidedToGvrnBodyInd>true</Form990ProvidedToGvrnBodyInd>
      <ConflictOfInterestPolicyInd>false</ConflictOfInterestPolicyInd>
      <AnnualDisclosureCoveredPrsnInd>false</AnnualDisclosureCoveredPrsnInd>
      <RegularMonitoringEnfrcInd>false</RegularMonitoringEnfrcInd>
      <WhistleblowerPolicyInd>false</WhistleblowerPolicyInd>
      <DocumentRetentionPolicyInd>false</DocumentRetentionPolicyInd>
      <CompensationProcessCEOInd>true</CompensationProcessCEOInd>
      <CompensationProcessOtherInd>true</CompensationProcessOtherInd>
      <InvestmentInJointVentureInd>false</InvestmentInJointVentureInd>
      <OwnWebsiteInd>X</OwnWebsiteInd>
      <UponRequestInd>X</UponRequestInd>
      <BooksInCareOfDetail>
        <PersonNm>Criss Rennie</PersonNm>
        <PhoneNum>7139578080</PhoneNum>
        <USAddress>
          <AddressLine1Txt>1225 North Loop West Ste 220</AddressLine1Txt>
          <CityNm>Houston</CityNm>
          <StateAbbreviationCd>TX</StateAbbreviationCd>
          <ZIPCd>77008</ZIPCd>
        </USAddress>
      </BooksInCareOfDetail>
      <Form990PartVIISectionAGrp>
        <PersonNm>Maurice Nessim</PersonNm>
        <TitleTxt>Chairman</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Magne Reiersgard</PersonNm>
        <TitleTxt>Vice Chairman</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Katja Akentieva</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>0.50</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Irene Waage Basili</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>0.50</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Charles Davison</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>0.50</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Rune Eng</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>0.50</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Brian Hanson</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>0.50</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Zheng Huasheng</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>0.50</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Roger Keyte</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>0.50</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Marianne Lefdal</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Colin Murdoch</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Richard Price</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>0.50</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Shawn Rice</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Nikki C Martin</PersonNm>
        <TitleTxt>President</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>250000</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>43750</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Tana Pool</PersonNm>
        <TitleTxt>Secretary</TitleTxt>
        <AverageHoursPerWeekRt>0.50</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Scott Lyon</PersonNm>
        <TitleTxt>Trea Jan-Aug</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Rebecca Pitman</PersonNm>
        <TitleTxt>Trea Sep-Dec</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Gail Adams</PersonNm>
        <TitleTxt>VP Communications</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <KeyEmployeeInd>X</KeyEmployeeInd>
        <ReportableCompFromOrgAmt>156259</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>27345</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Robert C Gisiner</PersonNm>
        <TitleTxt>VP Marine Environment</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <KeyEmployeeInd>X</KeyEmployeeInd>
        <ReportableCompFromOrgAmt>158980</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>27821</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Dustin Van Liew</PersonNm>
        <TitleTxt>VP Reg &amp; Gov</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>148000</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>25900</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>713239</TotalReportableCompFromOrgAmt>
      <TotalOtherCompensationAmt>124816</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>4</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>false</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>true</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>false</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>Andreia Owens</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>PO Box 460825</AddressLine1Txt>
            <CityNm>Houston</CityNm>
            <StateAbbreviationCd>TX</StateAbbreviationCd>
            <ZIPCd>77056</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Professional Fees</ServicesDesc>
        <CompensationAmt>104056</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>Stoel Rives LLP</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>760 SW 9th Avenue Suite 3000</AddressLine1Txt>
            <CityNm>Portland</CityNm>
            <StateAbbreviationCd>OR</StateAbbreviationCd>
            <ZIPCd>97205</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Legal</ServicesDesc>
        <CompensationAmt>177135</CompensationAmt>
      </ContractorCompensationGrp>
      <CntrctRcvdGreaterThan100KCnt>2</CntrctRcvdGreaterThan100KCnt>
      <TotalContributionsAmt>0</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>Meetings/events/programs</Desc>
        <BusinessCd>541900</BusinessCd>
        <TotalRevenueColumnAmt>43144</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>43144</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>Membership Dues &amp; Assessments</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>2724152</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>2724152</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>2767296</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>7666</TotalRevenueColumnAmt>
        <ExclusionAmt>7666</ExclusionAmt>
      </InvestmentIncomeGrp>
      <IncmFromInvestBondProceedsGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </IncmFromInvestBondProceedsGrp>
      <RoyaltiesRevenueGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </RoyaltiesRevenueGrp>
      <NetRentalIncomeOrLossGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </NetRentalIncomeOrLossGrp>
      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </NetGainOrLossInvestmentsGrp>
      <NetIncmFromFundraisingEvtGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </NetIncmFromFundraisingEvtGrp>
      <NetIncomeFromGamingGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </NetIncomeFromGamingGrp>
      <NetIncomeOrLossGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </NetIncomeOrLossGrp>
      <OtherRevenueTotalAmt>0</OtherRevenueTotalAmt>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>2774962</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>2767296</RelatedOrExemptFuncIncomeAmt>
        <ExclusionAmt>7666</ExclusionAmt>
      </TotalRevenueGrp>
      <GrantsToDomesticOrgsGrp>
        <TotalAmt>0</TotalAmt>
      </GrantsToDomesticOrgsGrp>
      <GrantsToDomesticIndividualsGrp>
        <TotalAmt>0</TotalAmt>
      </GrantsToDomesticIndividualsGrp>
      <ForeignGrantsGrp>
        <TotalAmt>0</TotalAmt>
      </ForeignGrantsGrp>
      <BenefitsToMembersGrp>
        <TotalAmt>0</TotalAmt>
      </BenefitsToMembersGrp>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>664155</TotalAmt>
      </CompCurrentOfcrDirectorsGrp>
      <CompDisqualPersonsGrp>
        <TotalAmt>0</TotalAmt>
      </CompDisqualPersonsGrp>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>562915</TotalAmt>
      </OtherSalariesAndWagesGrp>
      <PensionPlanContributionsGrp>
        <TotalAmt>28835</TotalAmt>
      </PensionPlanContributionsGrp>
      <OtherEmployeeBenefitsGrp>
        <TotalAmt>94944</TotalAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>74376</TotalAmt>
      </PayrollTaxesGrp>
      <FeesForServicesManagementGrp>
        <TotalAmt>0</TotalAmt>
      </FeesForServicesManagementGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>65963</TotalAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>10816</TotalAmt>
      </FeesForServicesAccountingGrp>
      <FeesForServicesLobbyingGrp>
        <TotalAmt>66000</TotalAmt>
      </FeesForServicesLobbyingGrp>
      <FeesForServicesProfFundraising>
        <TotalAmt>0</TotalAmt>
      </FeesForServicesProfFundraising>
      <FeesForSrvcInvstMgmntFeesGrp>
        <TotalAmt>0</TotalAmt>
      </FeesForSrvcInvstMgmntFeesGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>0</TotalAmt>
      </FeesForServicesOtherGrp>
      <AdvertisingGrp>
        <TotalAmt>0</TotalAmt>
      </AdvertisingGrp>
      <OfficeExpensesGrp>
        <TotalAmt>47691</TotalAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>32451</TotalAmt>
      </InformationTechnologyGrp>
      <RoyaltiesGrp>
        <TotalAmt>0</TotalAmt>
      </RoyaltiesGrp>
      <OccupancyGrp>
        <TotalAmt>92369</TotalAmt>
      </OccupancyGrp>
      <TravelGrp>
        <TotalAmt>125092</TotalAmt>
      </TravelGrp>
      <PymtTravelEntrtnmntPubOfclGrp>
        <TotalAmt>0</TotalAmt>
      </PymtTravelEntrtnmntPubOfclGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>67500</TotalAmt>
      </ConferencesMeetingsGrp>
      <InterestGrp>
        <TotalAmt>0</TotalAmt>
      </InterestGrp>
      <PaymentsToAffiliatesGrp>
        <TotalAmt>0</TotalAmt>
      </PaymentsToAffiliatesGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>19624</TotalAmt>
      </DepreciationDepletionGrp>
      <InsuranceGrp>
        <TotalAmt>33327</TotalAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>Regulatory/communications</Desc>
        <TotalAmt>969325</TotalAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>Memberships &amp; Registrations</Desc>
        <TotalAmt>13442</TotalAmt>
      </OtherExpensesGrp>
      <AllOtherExpensesGrp>
        <TotalAmt>0</TotalAmt>
      </AllOtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>2968825</TotalAmt>
        <ProgramServicesAmt>0</ProgramServicesAmt>
        <ManagementAndGeneralAmt>0</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>2718967</BOYAmt>
        <EOYAmt>1377064</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
        <EOYAmt>1000000</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <PledgesAndGrantsReceivableGrp>
        <EOYAmt>0</EOYAmt>
      </PledgesAndGrantsReceivableGrp>
      <AccountsReceivableGrp>
        <BOYAmt>165182</BOYAmt>
        <EOYAmt>53814</EOYAmt>
      </AccountsReceivableGrp>
      <ReceivablesFromOfficersEtcGrp>
        <EOYAmt>0</EOYAmt>
      </ReceivablesFromOfficersEtcGrp>
      <RcvblFromDisqualifiedPrsnGrp>
        <EOYAmt>0</EOYAmt>
      </RcvblFromDisqualifiedPrsnGrp>
      <OthNotesLoansReceivableNetGrp>
        <EOYAmt>0</EOYAmt>
      </OthNotesLoansReceivableNetGrp>
      <InventoriesForSaleOrUseGrp>
        <EOYAmt>0</EOYAmt>
      </InventoriesForSaleOrUseGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>4496</BOYAmt>
        <EOYAmt>2000</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipCostOrOtherBssAmt>184447</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>157583</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>40380</BOYAmt>
        <EOYAmt>26864</EOYAmt>
      </LandBldgEquipBasisNetGrp>
      <InvestmentsPubTradedSecGrp>
        <EOYAmt>0</EOYAmt>
      </InvestmentsPubTradedSecGrp>
      <InvestmentsOtherSecuritiesGrp>
        <EOYAmt>0</EOYAmt>
      </InvestmentsOtherSecuritiesGrp>
      <InvestmentsProgramRelatedGrp>
        <EOYAmt>0</EOYAmt>
      </InvestmentsProgramRelatedGrp>
      <IntangibleAssetsGrp>
        <EOYAmt>0</EOYAmt>
      </IntangibleAssetsGrp>
      <OtherAssetsTotalGrp>
        <EOYAmt>0</EOYAmt>
      </OtherAssetsTotalGrp>
      <TotalAssetsGrp>
        <BOYAmt>2929025</BOYAmt>
        <EOYAmt>2459742</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>136045</BOYAmt>
        <EOYAmt>340499</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <DeferredRevenueGrp>
        <BOYAmt>499674</BOYAmt>
        <EOYAmt>19800</EOYAmt>
      </DeferredRevenueGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>635719</BOYAmt>
        <EOYAmt>360299</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsSFAS117Ind>X</OrganizationFollowsSFAS117Ind>
      <UnrestrictedNetAssetsGrp>
        <BOYAmt>2098748</BOYAmt>
        <EOYAmt>1978338</EOYAmt>
      </UnrestrictedNetAssetsGrp>
      <TemporarilyRstrNetAssetsGrp>
        <BOYAmt>194558</BOYAmt>
        <EOYAmt>121105</EOYAmt>
      </TemporarilyRstrNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>2293306</BOYAmt>
        <EOYAmt>2099443</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>2929025</BOYAmt>
        <EOYAmt>2459742</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>-193863</ReconcilationRevenueExpnssAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>true</AccountantCompileOrReviewInd>
      <AcctCompileOrReviewBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </AcctCompileOrReviewBasisGrp>
      <FSAuditedInd>false</FSAuditedInd>
      <AuditCommitteeInd>true</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>false</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleC documentId="IRS990ScheduleC" softwareId="18007218" softwareVersionNum="2018v3.1">
      <Form1120POLFiledInd>false</Form1120POLFiledInd>
      <SubstantiallyAllDuesNondedInd>false</SubstantiallyAllDuesNondedInd>
      <OnlyInHouseLobbyingInd>false</OnlyInHouseLobbyingInd>
      <AgreeCarryoverPriorYearInd>false</AgreeCarryoverPriorYearInd>
      <DuesAssessmentsAmt>2724152</DuesAssessmentsAmt>
      <NonDeductibleLbbyngPltclCYAmt>66000</NonDeductibleLbbyngPltclCYAmt>
      <NonDeductibleLbbyngPltclTotAmt>66000</NonDeductibleLbbyngPltclTotAmt>
      <AggregateReportedDuesNtcAmt>136208</AggregateReportedDuesNtcAmt>
    </IRS990ScheduleC>
    <IRS990ScheduleD documentId="IRS990ScheduleD" softwareId="18007218" softwareVersionNum="2018v3.1">
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>184447</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>157583</DepreciationAmt>
        <BookValueAmt>26864</BookValueAmt>
      </EquipmentGrp>
      <TotalBookValueLandBuildingsAmt>26864</TotalBookValueLandBuildingsAmt>
    </IRS990ScheduleD>
    <IRS990ScheduleF documentId="IRS990ScheduleF" softwareId="18007218" softwareVersionNum="2018v3.1">
      <GrantRecordsMaintainedInd>true</GrantRecordsMaintainedInd>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>East Asia &amp; Pacific</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>4</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>Program services</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>Government &amp; regulatory mgmt</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>197391</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>Latin &amp; South America</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>4</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>Program services</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>Government &amp; regulatory mgmt</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>109664</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>Europe</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>2</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>Program services</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>Government &amp; regulatory mgmt</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>55291</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <SubtotalEmployeesCnt>10</SubtotalEmployeesCnt>
      <TotalEmployeeCnt>10</TotalEmployeeCnt>
      <SubtotalSpentAmt>362346</SubtotalSpentAmt>
      <TotalSpentAmt>362346</TotalSpentAmt>
      <TransferToForeignCorpInd>false</TransferToForeignCorpInd>
      <InterestInForeignTrustInd>false</InterestInForeignTrustInd>
      <ForeignCorpOwnershipInd>false</ForeignCorpOwnershipInd>
      <PassiveForeignInvestmestCoInd>false</PassiveForeignInvestmestCoInd>
      <ForeignPartnershipInd>false</ForeignPartnershipInd>
      <BoycottCountriesInd>false</BoycottCountriesInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, Line 3f - Method of Accounting</FormAndLineReferenceDesc>
        <ExplanationTxt>IAGC follows the accrual method of accounting.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleF>
    <IRS990ScheduleJ documentId="IRS990ScheduleJ" softwareId="18007218" softwareVersionNum="2018v3.1">
      <CompensationCommitteeInd>X</CompensationCommitteeInd>
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>false</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>false</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>false</EquityBasedCompArrngmInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Dustin Van Liew</PersonNm>
        <TitleTxt>VP Reg &amp; Gov</TitleTxt>
        <BaseCompensationFilingOrgAmt>148000</BaseCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>8880</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>17020</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>173900</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Gail Adams</PersonNm>
        <TitleTxt>VP Communications</TitleTxt>
        <BaseCompensationFilingOrgAmt>156259</BaseCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>9375</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>17970</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>183604</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Nikki C Martin</PersonNm>
        <TitleTxt>President</TitleTxt>
        <BaseCompensationFilingOrgAmt>250000</BaseCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>15000</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>28750</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>293750</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Robert C Gisiner</PersonNm>
        <TitleTxt>VP Marine Environment</TitleTxt>
        <BaseCompensationFilingOrgAmt>158980</BaseCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>9538</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>18283</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>186801</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="IRS990ScheduleO" softwareId="18007218" softwareVersionNum="2018v3.1">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 1a: Explanation of Delegated Broad Authority to Committee</FormAndLineReferenceDesc>
        <ExplanationTxt>The Executive Committee is made up of the Board Chairman, Vice-Chairman, immediate past Chairman, the current Chapter Chairmen, and the IAGC President and Treasurer. The Executive Committee is delegated the Board's authority between regularly scheduled Board meetings for: the interpretation of policy directions as needed, addressing any administrative or personnel matters exceeding the President's authority or which the President feels warrants Board scrutiny, personnel matters involving the President, development and clarification of medium-term goals, input as necessary into ongoing IAGC activities, IAGC-wide governance issues exceeding the President's authority, nomination of directors and officers for Board action.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 6: Explanation of Classes of Members or Shareholder</FormAndLineReferenceDesc>
        <ExplanationTxt>Five classes of members - Governing: Any company that satisfies the requirements of 1 and 2 below:1. The company's primary business is one or more of the following:Geophysical data acquisition contractor;Geophysical data processing contractor;Owner and supplier of multi-client geophysical data for license;Geophysical service provider; orGeophysical equipment supplier/manufacturer.2. The company is:Not owned by a government or an oil and gas exploration and production company (E&amp;P company); orOwned by a government or an E&amp;P company and:-Receives at least 35 percent of its revenues (from geophysical products and services) from sources other than its owner(s) or other companies or government agencies affiliated with its owner(s), measured based on a rolling average for the last three 12-month periods that have been closed and reported; and-Maintains a viable, ongoing business providing geophysical goods and services outside its home country. Contributing: Any company that meets the Governing Member definition but declines participation as a Governing Member.Associate: Any company that:Provides products services to the geophysical or E&amp;P industry; orHas revenue less than $10 million and meets the definition of Contributing member, but chooses not to participate at that level.Industry Partner: A non-geophysical company that has interest in supporting the mission and objectives of the Association, but does not otherwise qualify for membership. Academic institutions are also eligible to join IAGC as Industry Partners.Honorary: Person who has rendered outstanding and distinguished service in furthering the mission of the IAGC and well-being of the geophysical industry. The Board of Directors selects and appoints Honorary members.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 7a: How Members or Shareholders Elect Governing Body</FormAndLineReferenceDesc>
        <ExplanationTxt>The Board of Directors is the governing body of IAGC. Directors are elected by vote of membership. See previous item for the full description of classes of members.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 7b: Describe Decisions of Governing Body Approval by Members or Shareholders</FormAndLineReferenceDesc>
        <ExplanationTxt>Voting members (Governing, Contributing and Associate) may vote on matters brought up before the membership. Each member has one vote, and the following decisions require their approval: amendment of Articles of Incorporation: amendment of Bylaws: election of directors; approval of any member meeting minutes for adoption: and any other matter properly put to the membership as provided in the Bylaws.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 11b: Form 990 Review Process</FormAndLineReferenceDesc>
        <ExplanationTxt>Outside accountants conduct a review of financial statements under the supervision of the President, Treasurer and Director - Membership &amp; Administration. The Form 990 is prepared by a separate outside accounting firm and is reviewed and approved by the President and Director - Membership &amp; Administration. A copy is provided to the Board of Directors prior to filing.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 15a: Compensation Review &amp; Approval Process - CEO, Top Management</FormAndLineReferenceDesc>
        <ExplanationTxt>For the IAGC President, any compensation decisions are supported by comparability data, and are led by the IAGC Chairman with the support of the Executive Committee and are approved by the Board as part of the annual budget approval process.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 15b: Compensation Review and Approval Process for Officers and Key Employees</FormAndLineReferenceDesc>
        <ExplanationTxt>Regarding key employees of the organization, we follow a similar process to that described in 15a, but which is led by the IAGC President. All changes in compensation of IAGC President and key employees are approved by the Board as part of the annual budget approval process and documented in writing and archived.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 19: Other Organization Documents Publicly Available</FormAndLineReferenceDesc>
        <ExplanationTxt>Quarterly financial statements and governing documents are provided to the governing body and made available to the membership through our website. The Annual Review of Financial Statements is provided to the governing body, is handed out to the membership at the annual meeting and is made available to the membership through our website. We do not make any of these available to the public.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>