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          <BusinessNameLine1Txt>CUSTOM SHEETMETAL &amp; ROOFING</BusinessNameLine1Txt>
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          <BusinessNameLine1Txt>FLUID MECHANICAL</BusinessNameLine1Txt>
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          <BusinessNameLine1Txt>HERMANSON COMPANY</BusinessNameLine1Txt>
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          <BusinessNameLine1Txt>JOHNSON CONTROLS</BusinessNameLine1Txt>
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          <BusinessNameLine1Txt>KANSAS CITY MECH</BusinessNameLine1Txt>
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          <BusinessNameLine1Txt>KRUSE CORPORATION</BusinessNameLine1Txt>
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          <BusinessNameLine1Txt>LIPPERT MECHANICAL SERVIC</BusinessNameLine1Txt>
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          <BusinessNameLine1Txt>MYRICK MECHANICAL</BusinessNameLine1Txt>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>PROFESSIONAL FILTER SERVICE</BusinessNameLine1Txt>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>QUALITY PLUMBING INC</BusinessNameLine1Txt>
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        <ControlledOrganizationInd>0</ControlledOrganizationInd>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>RAND CONSTRUCTION CO</BusinessNameLine1Txt>
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        <PrimaryActivitiesTxt>CONTRIBUTING EMPLOYER</PrimaryActivitiesTxt>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>ROSS MECHANICAL</BusinessNameLine1Txt>
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        <PrimaryActivitiesTxt>CONTRIBUTING EMPLOYER</PrimaryActivitiesTxt>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>SALADINO MECHANICAL</BusinessNameLine1Txt>
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        <PrimaryActivitiesTxt>CONTRIBUTING EMPLOYER</PrimaryActivitiesTxt>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>SERVICE PLUS MECHANICAL CONT</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <PrimaryActivitiesTxt>CONTRIBUTING EMPLOYER</PrimaryActivitiesTxt>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>STANGER INDUSTRIES INC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <PrimaryActivitiesTxt>CONTRIBUTING EMPLOYER</PrimaryActivitiesTxt>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>THE MECHANICS INC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <PrimaryActivitiesTxt>CONTRIBUTING EMPLOYER</PrimaryActivitiesTxt>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>TROTTER &amp; MORTON FACILITIES</BusinessNameLine1Txt>
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        <ControlledOrganizationInd>0</ControlledOrganizationInd>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>US ENGINEERING CONSTRUCTION</BusinessNameLine1Txt>
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        <PrimaryActivitiesTxt>CONTRIBUTING EMPLOYER</PrimaryActivitiesTxt>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>VAUGHAN MECHANICAL INC</BusinessNameLine1Txt>
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        <PrimaryActivitiesTxt>CONTRIBUTING EMPLOYER</PrimaryActivitiesTxt>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>WALDINGER CORPORATION</BusinessNameLine1Txt>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>WAYNE COMFORT AIR SOLUTIONS</BusinessNameLine1Txt>
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        <RelatedOrganizationName>
          <BusinessNameLine1Txt>WMC MECHANICAL</BusinessNameLine1Txt>
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        <RelatedOrganizationName>
          <BusinessNameLine1Txt>4 STATES MECHANICAL</BusinessNameLine1Txt>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>CERRIS SYSTEMS INC</BusinessNameLine1Txt>
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      <IdRelatedOrgTxblCorpTrGrp>
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        <RelatedOrganizationName>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>SADLER MECHANICAL INC</BusinessNameLine1Txt>
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</Return>