﻿<?xml version="1.0" encoding="utf-8"?>
<Return returnVersion="2016v3.0" xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2017-11-14T11:05:06-05:00</ReturnTs>
    <TaxPeriodEndDt>2016-12-31</TaxPeriodEndDt>
    <ReturnTypeCd>990</ReturnTypeCd>
    <TaxPeriodBeginDt>2016-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>364508671</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>GREAT LAKES MOBILE PET</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>GREA</BusinessNameControlTxt>
      <PhoneNum>2319355000</PhoneNum>
      <USAddress>
        <AddressLine1Txt>1105 SIXTH STREET</AddressLine1Txt>
        <CityNm>TRAVERSE CITY</CityNm>
        <StateAbbreviationCd>MI</StateAbbreviationCd>
        <ZIPCd>49684</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>KRISTY SMOLINSKI</PersonNm>
      <PersonTitleTxt>DIRECTOR</PersonTitleTxt>
      <PhoneNum>2319355000</PhoneNum>
      <SignatureDt>2017-11-14</SignatureDt>
    </BusinessOfficerGrp>
    <FilingSecurityInformation>
      <AtSubmissionCreationDeviceId>4E4967798F4ED3095182E155237A997966F5D60F</AtSubmissionCreationDeviceId>
      <AtSubmissionFilingDeviceId>3AD8FE5AAD7F1E7C8842AE1699DABE20D9503696</AtSubmissionFilingDeviceId>
    </FilingSecurityInformation>
    <TaxYr>2016</TaxYr>
    <BuildTS>2021-01-29 14:40:06Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="4">
    <IRS990 documentId="RetDoc2" referenceDocumentId="RetDoc4">
      <PrincipalOfficerNm>CHRISTOPHER PODGES</PrincipalOfficerNm>
      <USAddress>
        <AddressLine1Txt>1105 SIXTH STREET</AddressLine1Txt>
        <CityNm>TRAVERSE CITY</CityNm>
        <StateAbbreviationCd>MI</StateAbbreviationCd>
        <ZIPCd>49684</ZIPCd>
      </USAddress>
      <GrossReceiptsAmt>1424153</GrossReceiptsAmt>
      <GroupReturnForAffiliatesInd>false</GroupReturnForAffiliatesInd>
      <Organization501c3Ind>X</Organization501c3Ind>
      <WebsiteAddressTxt>N/A</WebsiteAddressTxt>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <FormationYr>2002</FormationYr>
      <LegalDomicileStateCd>MI</LegalDomicileStateCd>
      <ActivityOrMissionDesc>TO ESTABLISH, ACQUIRE AND MAINTAIN A MOBILE POSITRON EMISSION TOMOGRAPHY NETWORK TO IMPROVE AND PROMOTE THE HEALTH OF THE CITIZENS OF NORTHERN MICHIGAN.</ActivityOrMissionDesc>
      <VotingMembersGoverningBodyCnt>6</VotingMembersGoverningBodyCnt>
      <VotingMembersIndependentCnt>6</VotingMembersIndependentCnt>
      <TotalEmployeeCnt>0</TotalEmployeeCnt>
      <TotalGrossUBIAmt>0</TotalGrossUBIAmt>
      <CYContributionsGrantsAmt>0</CYContributionsGrantsAmt>
      <PYProgramServiceRevenueAmt>1417201</PYProgramServiceRevenueAmt>
      <CYProgramServiceRevenueAmt>1424153</CYProgramServiceRevenueAmt>
      <CYInvestmentIncomeAmt>0</CYInvestmentIncomeAmt>
      <CYOtherRevenueAmt>0</CYOtherRevenueAmt>
      <PYTotalRevenueAmt>1417201</PYTotalRevenueAmt>
      <CYTotalRevenueAmt>1424153</CYTotalRevenueAmt>
      <CYGrantsAndSimilarPaidAmt>0</CYGrantsAndSimilarPaidAmt>
      <CYBenefitsPaidToMembersAmt>0</CYBenefitsPaidToMembersAmt>
      <CYSalariesCompEmpBnftPaidAmt>0</CYSalariesCompEmpBnftPaidAmt>
      <CYTotalProfFndrsngExpnsAmt>0</CYTotalProfFndrsngExpnsAmt>
      <CYTotalFundraisingExpenseAmt>0</CYTotalFundraisingExpenseAmt>
      <PYOtherExpensesAmt>669640</PYOtherExpensesAmt>
      <CYOtherExpensesAmt>803482</CYOtherExpensesAmt>
      <PYTotalExpensesAmt>669640</PYTotalExpensesAmt>
      <CYTotalExpensesAmt>803482</CYTotalExpensesAmt>
      <PYRevenuesLessExpensesAmt>747561</PYRevenuesLessExpensesAmt>
      <CYRevenuesLessExpensesAmt>620671</CYRevenuesLessExpensesAmt>
      <TotalAssetsBOYAmt>2032582</TotalAssetsBOYAmt>
      <TotalAssetsEOYAmt>2700322</TotalAssetsEOYAmt>
      <TotalLiabilitiesBOYAmt>50989</TotalLiabilitiesBOYAmt>
      <TotalLiabilitiesEOYAmt>98058</TotalLiabilitiesEOYAmt>
      <NetAssetsOrFundBalancesBOYAmt>1981593</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>2602264</NetAssetsOrFundBalancesEOYAmt>
      <MissionDesc>TO ESTABLISH, ACQUIRE AND MAINTAIN A MOBILE POSITRON EMISSION TOMOGRAPHY NETWORK TO IMPROVE AND PROMOTE THE HEALTH OF THE CITIZENS OF NORTHERN MICHIGAN.</MissionDesc>
      <SignificantNewProgramSrvcInd>false</SignificantNewProgramSrvcInd>
      <SignificantChangeInd>false</SignificantChangeInd>
      <ExpenseAmt>709134</ExpenseAmt>
      <RevenueAmt>1424153</RevenueAmt>
      <Desc>PROVISION OF POSITRON EMISSION TOMOGRAPHY TO PATIENTS OF THREE MEMBER HOSPITALS: MUNSON MEDICAL CENTER, ALPENA REGIONAL MEDICAL CENTER AND MCLAREN NORTHERN MICHIGAN, AND SEVERAL OTHER NORTHERN MICHIGAN EXEMPT HOSPITALS. IN 2016, GREAT LAKES MOBILE PET PERFORMED 2,474 SCANS IN NORTHERN MICHIGAN.</Desc>
      <TotalProgramServiceExpensesAmt>709134</TotalProgramServiceExpensesAmt>
      <DescribedInSection501c3Ind referenceDocumentId="RetDoc5">true</DescribedInSection501c3Ind>
      <ScheduleBRequiredInd>false</ScheduleBRequiredInd>
      <PoliticalCampaignActyInd>false</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>false</LobbyingActivitiesInd>
      <SubjectToProxyTaxInd>false</SubjectToProxyTaxInd>
      <DonorAdvisedFundInd referenceDocumentId="RetDoc3">false</DonorAdvisedFundInd>
      <ConservationEasementsInd referenceDocumentId="RetDoc3">false</ConservationEasementsInd>
      <CollectionsOfArtInd referenceDocumentId="RetDoc3">false</CollectionsOfArtInd>
      <CreditCounselingInd referenceDocumentId="RetDoc3">false</CreditCounselingInd>
      <TempOrPermanentEndowmentsInd referenceDocumentId="RetDoc3">false</TempOrPermanentEndowmentsInd>
      <ReportLandBuildingEquipmentInd referenceDocumentId="RetDoc3">true</ReportLandBuildingEquipmentInd>
      <ReportInvestmentsOtherSecInd referenceDocumentId="RetDoc3">false</ReportInvestmentsOtherSecInd>
      <ReportProgramRelatedInvstInd referenceDocumentId="RetDoc3">false</ReportProgramRelatedInvstInd>
      <ReportOtherAssetsInd referenceDocumentId="RetDoc3">false</ReportOtherAssetsInd>
      <ReportOtherLiabilitiesInd referenceDocumentId="RetDoc3">false</ReportOtherLiabilitiesInd>
      <IncludeFIN48FootnoteInd referenceDocumentId="RetDoc3">false</IncludeFIN48FootnoteInd>
      <IndependentAuditFinclStmtInd referenceDocumentId="RetDoc3">false</IndependentAuditFinclStmtInd>
      <ConsolidatedAuditFinclStmtInd referenceDocumentId="RetDoc3">false</ConsolidatedAuditFinclStmtInd>
      <SchoolOperatingInd>false</SchoolOperatingInd>
      <ForeignOfficeInd>false</ForeignOfficeInd>
      <ForeignActivitiesInd>false</ForeignActivitiesInd>
      <MoreThan5000KToOrgInd>false</MoreThan5000KToOrgInd>
      <MoreThan5000KToIndividualsInd>false</MoreThan5000KToIndividualsInd>
      <ProfessionalFundraisingInd>false</ProfessionalFundraisingInd>
      <FundraisingActivitiesInd>false</FundraisingActivitiesInd>
      <GamingActivitiesInd>false</GamingActivitiesInd>
      <OperateHospitalInd>false</OperateHospitalInd>
      <GrantsToOrganizationsInd>false</GrantsToOrganizationsInd>
      <GrantsToIndividualsInd>false</GrantsToIndividualsInd>
      <ScheduleJRequiredInd>false</ScheduleJRequiredInd>
      <TaxExemptBondsInd>false</TaxExemptBondsInd>
      <EngagedInExcessBenefitTransInd>false</EngagedInExcessBenefitTransInd>
      <PYExcessBenefitTransInd>false</PYExcessBenefitTransInd>
      <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>
      <TrnsfrExmptNonChrtblRltdOrgInd>false</TrnsfrExmptNonChrtblRltdOrgInd>
      <ActivitiesConductedPrtshpInd>false</ActivitiesConductedPrtshpInd>
      <ScheduleORequiredInd>true</ScheduleORequiredInd>
      <IRPDocumentCnt>3</IRPDocumentCnt>
      <IRPDocumentW2GCnt>0</IRPDocumentW2GCnt>
      <BackupWthldComplianceInd>true</BackupWthldComplianceInd>
      <EmployeeCnt>0</EmployeeCnt>
      <UnrelatedBusIncmOverLimitInd>false</UnrelatedBusIncmOverLimitInd>
      <ForeignFinancialAccountInd>false</ForeignFinancialAccountInd>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <TaxablePartyNotificationInd>false</TaxablePartyNotificationInd>
      <NondeductibleContributionsInd>false</NondeductibleContributionsInd>
      <QuidProQuoContributionsInd>false</QuidProQuoContributionsInd>
      <Form8282PropertyDisposedOfInd>false</Form8282PropertyDisposedOfInd>
      <RcvFndsToPayPrsnlBnftCntrctInd>false</RcvFndsToPayPrsnlBnftCntrctInd>
      <PayPremiumsPrsnlBnftCntrctInd>false</PayPremiumsPrsnlBnftCntrctInd>
      <IndoorTanningServicesInd>false</IndoorTanningServicesInd>
      <InfoInScheduleOPartVIInd>X</InfoInScheduleOPartVIInd>
      <GoverningBodyVotingMembersCnt>6</GoverningBodyVotingMembersCnt>
      <IndependentVotingMemberCnt>6</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>false</LocalChaptersInd>
      <Form990ProvidedToGvrnBodyInd>true</Form990ProvidedToGvrnBodyInd>
      <ConflictOfInterestPolicyInd>true</ConflictOfInterestPolicyInd>
      <AnnualDisclosureCoveredPrsnInd>true</AnnualDisclosureCoveredPrsnInd>
      <RegularMonitoringEnfrcInd>false</RegularMonitoringEnfrcInd>
      <WhistleblowerPolicyInd>false</WhistleblowerPolicyInd>
      <DocumentRetentionPolicyInd>false</DocumentRetentionPolicyInd>
      <CompensationProcessCEOInd>false</CompensationProcessCEOInd>
      <CompensationProcessOtherInd>false</CompensationProcessOtherInd>
      <InvestmentInJointVentureInd>false</InvestmentInJointVentureInd>
      <UponRequestInd>X</UponRequestInd>
      <BooksInCareOfDetail>
        <PersonNm>NICOLE SULAK MUNSON HEALTHCARE</PersonNm>
        <PhoneNum>2319357777</PhoneNum>
        <USAddress>
          <AddressLine1Txt>4230 COPPER RIDGE DR BLG E</AddressLine1Txt>
          <CityNm>TRAVERSE CITY</CityNm>
          <StateAbbreviationCd>MI</StateAbbreviationCd>
          <ZIPCd>49684</ZIPCd>
        </USAddress>
      </BooksInCareOfDetail>
      <NoListedPersonsCompensatedInd>X</NoListedPersonsCompensatedInd>
      <Form990PartVIISectionAGrp>
        <PersonNm>GEORGE SMART</PersonNm>
        <TitleTxt>SECRETARY</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>CHRISTOPHER PODGES</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>LINDA WARD</PersonNm>
        <TitleTxt>TREASURER</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DOUG KRIES</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>KRISTY SMOLINSKI</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DANIEL FLY</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <FormerOfcrEmployeesListedInd>false</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>false</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>false</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>MUNSON MEDICAL CENTER</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>1105 SIXTH ST</AddressLine1Txt>
            <CityNm>TRAVERSE CITY</CityNm>
            <StateAbbreviationCd>MI</StateAbbreviationCd>
            <ZIPCd>49684</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>MEDICAL &amp; TECH</ServicesDesc>
        <CompensationAmt>261770</CompensationAmt>
      </ContractorCompensationGrp>
      <CntrctRcvdGreaterThan100KCnt>1</CntrctRcvdGreaterThan100KCnt>
      <ProgramServiceRevenueGrp>
        <Desc>MEDICAL SERVICES FEES</Desc>
        <BusinessCd>621990</BusinessCd>
        <TotalRevenueColumnAmt>1424153</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>1424153</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>1424153</TotalProgramServiceRevenueAmt>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>1424153</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>1424153</RelatedOrExemptFuncIncomeAmt>
      </TotalRevenueGrp>
      <InfoInScheduleOPartIXInd>X</InfoInScheduleOPartIXInd>
      <FeesForServicesAccountingGrp>
        <TotalAmt>24867</TotalAmt>
        <ManagementAndGeneralAmt>24867</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>287667</TotalAmt>
        <ProgramServicesAmt>270509</ProgramServicesAmt>
        <ManagementAndGeneralAmt>17158</ManagementAndGeneralAmt>
      </FeesForServicesOtherGrp>
      <OfficeExpensesGrp>
        <TotalAmt>3639</TotalAmt>
        <ProgramServicesAmt>238</ProgramServicesAmt>
        <ManagementAndGeneralAmt>3401</ManagementAndGeneralAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>110</TotalAmt>
        <ProgramServicesAmt>110</ProgramServicesAmt>
      </InformationTechnologyGrp>
      <TravelGrp>
        <TotalAmt>12658</TotalAmt>
        <ProgramServicesAmt>12658</ProgramServicesAmt>
      </TravelGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>882</TotalAmt>
        <ManagementAndGeneralAmt>882</ManagementAndGeneralAmt>
      </ConferencesMeetingsGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>13186</TotalAmt>
        <ProgramServicesAmt>13186</ProgramServicesAmt>
      </DepreciationDepletionGrp>
      <InsuranceGrp>
        <TotalAmt>42146</TotalAmt>
        <ManagementAndGeneralAmt>42146</ManagementAndGeneralAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>VEHICLE REPAIR AND FUEL</Desc>
        <TotalAmt>383186</TotalAmt>
        <ProgramServicesAmt>383186</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>SUPPLIES - PATIENT CARE</Desc>
        <TotalAmt>15374</TotalAmt>
        <ProgramServicesAmt>15374</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>ELECTRICITY FOR PET MACHI</Desc>
        <TotalAmt>13873</TotalAmt>
        <ProgramServicesAmt>13873</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>LICENSE FEES</Desc>
        <TotalAmt>5348</TotalAmt>
        <ManagementAndGeneralAmt>5348</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <AllOtherExpensesGrp>
        <TotalAmt>546</TotalAmt>
        <ManagementAndGeneralAmt>546</ManagementAndGeneralAmt>
      </AllOtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>803482</TotalAmt>
        <ProgramServicesAmt>709134</ProgramServicesAmt>
        <ManagementAndGeneralAmt>94348</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <SavingsAndTempCashInvstGrp>
        <BOYAmt>1740924</BOYAmt>
        <EOYAmt>2400916</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <AccountsReceivableGrp>
        <BOYAmt>158623</BOYAmt>
        <EOYAmt>199417</EOYAmt>
      </AccountsReceivableGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>19860</BOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipCostOrOtherBssAmt>2555977</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>2455988</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>113175</BOYAmt>
        <EOYAmt>99989</EOYAmt>
      </LandBldgEquipBasisNetGrp>
      <TotalAssetsGrp>
        <BOYAmt>2032582</BOYAmt>
        <EOYAmt>2700322</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>50989</BOYAmt>
        <EOYAmt>98058</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>50989</BOYAmt>
        <EOYAmt>98058</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsSFAS117Ind>X</OrganizationFollowsSFAS117Ind>
      <UnrestrictedNetAssetsGrp>
        <BOYAmt>1981593</BOYAmt>
        <EOYAmt>2602264</EOYAmt>
      </UnrestrictedNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>1981593</BOYAmt>
        <EOYAmt>2602264</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>2032582</BOYAmt>
        <EOYAmt>2700322</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>620671</ReconcilationRevenueExpnssAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>false</AccountantCompileOrReviewInd>
      <FSAuditedInd>false</FSAuditedInd>
      <FederalGrantAuditRequiredInd>false</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleA documentId="RetDoc5">
      <HospitalInd>X</HospitalInd>
    </IRS990ScheduleA>
    <IRS990ScheduleD documentId="RetDoc3">
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>2555977</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>2455988</DepreciationAmt>
        <BookValueAmt>99989</BookValueAmt>
      </EquipmentGrp>
      <TotalBookValueLandBuildingsAmt>99989</TotalBookValueLandBuildingsAmt>
    </IRS990ScheduleD>
    <IRS990ScheduleO documentId="RetDoc4">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>GREAT LAKES MOBILE PET IS ORGANIZED AS A NON-STOCK MEMBERSHIP CORPORATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>EACH MEMBER OF THE CORPORATION SHALL APPOINT TWO TRUSTEES TO THE BOARD OF TRUSTEES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>MEMBER ORGANIZATIONS APPROVE THE DECISIONS OF THE BOARD OF TRUSTEES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>ONE MEMBER ORGANIZATION PREPARES THE FORM 990 AT THE CORPORATE OFFICE. MANAGEMENT AT THE ORGANIZATION, KNOWLEDGEABLE ABOUT THE REQUIREMENTS FOR FORM 990, REVIEWS THE RETURN FOR ACCURACY. THE VICE PRESIDENT OF GENERAL COUNSEL FOR THAT MEMBER ORGANIZATION REVIEWS THE GOVERNANCE PORTION OF THE RETURN. A COPY OF THE RETURN IS PROVIDED TO THE MEMBERS OF THE BOARD PRIOR TO ITS FILING WITH THE IRS. ANY QUESTIONS ARE CLARIFIED PRIOR TO FILING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION DOES NOT MAKE ITS BYLAWS, CONFLICT OF INTEREST POLICY OR FINANCIALS STATEMENTS AVAILABLE TO THE PUBLIC.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IX, LINE 11G</FormAndLineReferenceDesc>
        <ExplanationTxt>CONTRACT LABOR 270,509 17,158 0</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>