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      <IdRelatedOrgTxblCorpTrGrp>
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          <BusinessNameLine1Txt>BOB FRAME PLBG &amp; HTG INC</BusinessNameLine1Txt>
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        <RelatedOrganizationName>
          <BusinessNameLine1Txt>BOWEN ENG CORP</BusinessNameLine1Txt>
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        <PrimaryActivitiesTxt>CONTRIBUTING EMPLOYER</PrimaryActivitiesTxt>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>BUILT3D</BusinessNameLine1Txt>
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        <PrimaryActivitiesTxt>CONTRIBUTING EMPLOYER</PrimaryActivitiesTxt>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>CAVINDER MECH INC</BusinessNameLine1Txt>
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        <PrimaryActivitiesTxt>CONTRIBUTING EMPLOYER</PrimaryActivitiesTxt>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>CENTERLINE MECH CONTR INC</BusinessNameLine1Txt>
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        <PrimaryActivitiesTxt>CONTRIBUTING EMPLOYER</PrimaryActivitiesTxt>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>CLIMATE PRO</BusinessNameLine1Txt>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>D A DODD INC</BusinessNameLine1Txt>
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        <PrimaryActivitiesTxt>CONTRIBUTING EMPLOYER</PrimaryActivitiesTxt>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>DYNAMIC MECH (HOFFMAN RF)</BusinessNameLine1Txt>
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          <BusinessNameLine1Txt>HAYES COMMERCIAL</BusinessNameLine1Txt>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>HELM MECHANICAL</BusinessNameLine1Txt>
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        <RelatedOrganizationName>
          <BusinessNameLine1Txt>HMH CONTRACTORS INC</BusinessNameLine1Txt>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>ZIMMERMAN INDL PIPING INC</BusinessNameLine1Txt>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>TJW INDUSTRIAL</BusinessNameLine1Txt>
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      <TransferFromOtherOrgInd>1</TransferFromOtherOrgInd>
    </IRS990ScheduleR>
  </ReturnData>
</Return>