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        <PrimaryActivitiesTxt>CONTRIBUTING EMPLOYER</PrimaryActivitiesTxt>
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          <BusinessNameLine1Txt>LUSK MECHANICAL CONTR INC</BusinessNameLine1Txt>
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        <PrimaryActivitiesTxt>CONTRIBUTING EMPLOYER</PrimaryActivitiesTxt>
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        <RelatedOrganizationName>
          <BusinessNameLine1Txt>MERRICK COMPANY</BusinessNameLine1Txt>
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        <PrimaryActivitiesTxt>CONTRIBUTING EMPLOYER</PrimaryActivitiesTxt>
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        <RelatedOrganizationName>
          <BusinessNameLine1Txt>PROGRESSIVE MECHANICAL</BusinessNameLine1Txt>
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        <PrimaryActivitiesTxt>CONTRIBUTING EMPLOYER</PrimaryActivitiesTxt>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>R &amp; R INC OF LOUISVILLE</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <PrimaryActivitiesTxt>CONTRIBUTING EMPLOYER</PrimaryActivitiesTxt>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>R &amp; S MECHANICAL</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <PrimaryActivitiesTxt>CONTRIBUTING EMPLOYER</PrimaryActivitiesTxt>
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        <RelatedOrganizationName>
          <BusinessNameLine1Txt>SADLER MECHANICAL INC</BusinessNameLine1Txt>
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        <PrimaryActivitiesTxt>CONTRIBUTING EMPLOYER</PrimaryActivitiesTxt>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>SCHARDEIN MECHANICAL</BusinessNameLine1Txt>
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      <IdRelatedOrgTxblCorpTrGrp>
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          <BusinessNameLine1Txt>SHAMBAUGH &amp; SONS 502</BusinessNameLine1Txt>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
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          <BusinessNameLine1Txt>STAINLESS SPECIALTIES PIPING</BusinessNameLine1Txt>
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          <BusinessNameLine1Txt>WALKER MECH CONTRS</BusinessNameLine1Txt>
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        <RelatedOrganizationName>
          <BusinessNameLine1Txt>WARD ENGINEERING</BusinessNameLine1Txt>
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          <BusinessNameLine1Txt>WASHINGTON GROUP INTERNATIONAL</BusinessNameLine1Txt>
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          <BusinessNameLine1Txt>WEBER MECHANICAL INC</BusinessNameLine1Txt>
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        <RelatedOrganizationName>
          <BusinessNameLine1Txt>WEST MECHANICAL LLC</BusinessNameLine1Txt>
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      <TransferFromOtherOrgInd>1</TransferFromOtherOrgInd>
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</Return>