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          <AddressLine1Txt>400 East Illinois</AddressLine1Txt>
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          <StateAbbreviationCd>IN</StateAbbreviationCd>
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          <BusinessNameLine1Txt>Harrell-Fish Inc</BusinessNameLine1Txt>
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          <AddressLine1Txt>PO Box 2909</AddressLine1Txt>
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          <AddressLine1Txt>Hwy 33 East PO Box 651</AddressLine1Txt>
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          <AddressLine1Txt>PO Box 248</AddressLine1Txt>
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          <AddressLine1Txt>PO Box 636</AddressLine1Txt>
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          <AddressLine1Txt>103 Industrial Drive</AddressLine1Txt>
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          <AddressLine1Txt>3930 Airpark Blvd</AddressLine1Txt>
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          <BusinessNameLine1Txt>Springhill Heating &amp; AC</BusinessNameLine1Txt>
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          <AddressLine1Txt>3110 Fairview Drive</AddressLine1Txt>
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          <AddressLine1Txt>26500 American Drive</AddressLine1Txt>
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          <BusinessNameLine1Txt>Hydromax services</BusinessNameLine1Txt>
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          <CityNm>Chandler</CityNm>
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          <ZIPCd>47610</ZIPCd>
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          <StateAbbreviationCd>WV</StateAbbreviationCd>
          <ZIPCd>26104</ZIPCd>
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        <LegalDomicileStateCd>WV</LegalDomicileStateCd>
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        <USAddress>
          <AddressLine1Txt>5000 Claxton Ave</AddressLine1Txt>
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          <StateAbbreviationCd>MO</StateAbbreviationCd>
          <ZIPCd>63120</ZIPCd>
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        <LegalDomicileStateCd>MO</LegalDomicileStateCd>
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          <AddressLine1Txt>1401 Buchanan Road</AddressLine1Txt>
          <CityNm>Evansville</CityNm>
          <StateAbbreviationCd>IN</StateAbbreviationCd>
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        <USAddress>
          <AddressLine1Txt>2300 Standard Avenue</AddressLine1Txt>
          <CityNm>Whiting</CityNm>
          <StateAbbreviationCd>IN</StateAbbreviationCd>
          <ZIPCd>46394</ZIPCd>
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        <LegalDomicileStateCd>IN</LegalDomicileStateCd>
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          <AddressLine1Txt>20 South Van Buren Avenue</AddressLine1Txt>
          <CityNm>Barberton</CityNm>
          <StateAbbreviationCd>OH</StateAbbreviationCd>
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        <LegalDomicileStateCd>OH</LegalDomicileStateCd>
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        <USAddress>
          <AddressLine1Txt>1016 N Main Street</AddressLine1Txt>
          <CityNm>Evansville</CityNm>
          <StateAbbreviationCd>IN</StateAbbreviationCd>
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        <LegalDomicileStateCd>IN</LegalDomicileStateCd>
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        <RelatedOrganizationName>
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        <USAddress>
          <AddressLine1Txt>208 East Broadway</AddressLine1Txt>
          <CityNm>Ogden</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>61859</ZIPCd>
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        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
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          <BusinessNameLine1Txt>Boos Plbg &amp; Heating Co</BusinessNameLine1Txt>
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        <USAddress>
          <AddressLine1Txt>206 South Merchant</AddressLine1Txt>
          <CityNm>Effingham</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>62401</ZIPCd>
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        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
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          <BusinessNameLine1Txt>Bruner</BusinessNameLine1Txt>
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        <USAddress>
          <AddressLine1Txt>3637 Lacon Road</AddressLine1Txt>
          <CityNm>Hilliard</CityNm>
          <StateAbbreviationCd>OH</StateAbbreviationCd>
          <ZIPCd>43026</ZIPCd>
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        <LegalDomicileStateCd>OH</LegalDomicileStateCd>
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        <RelatedOrganizationName>
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          <AddressLine1Txt>6850 John Rivers Road</AddressLine1Txt>
          <CityNm>Hopkinsville</CityNm>
          <StateAbbreviationCd>KY</StateAbbreviationCd>
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        <LegalDomicileStateCd>KY</LegalDomicileStateCd>
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        <USAddress>
          <AddressLine1Txt>1875 Fox Lane</AddressLine1Txt>
          <CityNm>Elgen</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60213</ZIPCd>
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        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
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        <RelatedOrganizationName>
          <BusinessNameLine1Txt>Day &amp; Zimmerman NPS Inc</BusinessNameLine1Txt>
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          <AddressLine1Txt>1500 Spring Garden Street</AddressLine1Txt>
          <CityNm>Philadelphia</CityNm>
          <StateAbbreviationCd>PA</StateAbbreviationCd>
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        <LegalDomicileStateCd>PA</LegalDomicileStateCd>
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          <BusinessNameLine1Txt>E L Pruitt</BusinessNameLine1Txt>
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          <AddressLine1Txt>PO Box 3306</AddressLine1Txt>
          <CityNm>Springfield</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>62708</ZIPCd>
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        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
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        <RelatedOrganizationName>
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        <USAddress>
          <AddressLine1Txt>4042 W 71st Street Ste A</AddressLine1Txt>
          <CityNm>Indianapolis</CityNm>
          <StateAbbreviationCd>IN</StateAbbreviationCd>
          <ZIPCd>46268</ZIPCd>
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        <LegalDomicileStateCd>IN</LegalDomicileStateCd>
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        <RelatedOrganizationName>
          <BusinessNameLine1Txt>Evets Electric Inc</BusinessNameLine1Txt>
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          <AddressLine1Txt>977 Tibbetts Wick Rd</AddressLine1Txt>
          <CityNm>Girard</CityNm>
          <StateAbbreviationCd>OH</StateAbbreviationCd>
          <ZIPCd>44420</ZIPCd>
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        <LegalDomicileStateCd>OH</LegalDomicileStateCd>
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        <RelatedOrganizationName>
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        <USAddress>
          <AddressLine1Txt>5528 West 84th St</AddressLine1Txt>
          <CityNm>Indianapolis</CityNm>
          <StateAbbreviationCd>IN</StateAbbreviationCd>
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        <LegalDomicileStateCd>IN</LegalDomicileStateCd>
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        <RelatedOrganizationName>
          <BusinessNameLine1Txt>Haase Mechancial Const</BusinessNameLine1Txt>
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        <USAddress>
          <AddressLine1Txt>441 Hoffman Dr</AddressLine1Txt>
          <CityNm>Henderson</CityNm>
          <StateAbbreviationCd>KY</StateAbbreviationCd>
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        <LegalDomicileStateCd>KY</LegalDomicileStateCd>
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        <RelatedOrganizationName>
          <BusinessNameLine1Txt>Hardy Welding &amp; Piping</BusinessNameLine1Txt>
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        <USAddress>
          <AddressLine1Txt>PO Box 58</AddressLine1Txt>
          <CityNm>Appling</CityNm>
          <StateAbbreviationCd>GA</StateAbbreviationCd>
          <ZIPCd>30802</ZIPCd>
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        <LegalDomicileStateCd>GA</LegalDomicileStateCd>
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        <RelatedOrganizationName>
          <BusinessNameLine1Txt>Hayes PMC</BusinessNameLine1Txt>
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        <USAddress>
          <AddressLine1Txt>201 Tower Plaza</AddressLine1Txt>
          <CityNm>Belleville</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>62220</ZIPCd>
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        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
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          <BusinessNameLine1Txt>Heartland Mech Cont</BusinessNameLine1Txt>
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          <CityNm>Murphysboro</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
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        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
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          <BusinessNameLine1Txt>Infrasource Underground</BusinessNameLine1Txt>
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          <AddressLine1Txt>PO Box 970200</AddressLine1Txt>
          <CityNm>Ypsilanti</CityNm>
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          <AddressLine1Txt>PO Box 47070</AddressLine1Txt>
          <CityNm>Indianapolis</CityNm>
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        <USAddress>
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          <CityNm>Menomonee</CityNm>
          <StateAbbreviationCd>WI</StateAbbreviationCd>
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        <LegalDomicileStateCd>WI</LegalDomicileStateCd>
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          <BusinessNameLine1Txt>Meccon Industries</BusinessNameLine1Txt>
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          <AddressLine1Txt>PO Box 206</AddressLine1Txt>
          <CityNm>Lansing</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60438</ZIPCd>
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        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
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          <StateAbbreviationCd>MO</StateAbbreviationCd>
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        <LegalDomicileStateCd>MO</LegalDomicileStateCd>
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        <USAddress>
          <AddressLine1Txt>16210 W 108th St</AddressLine1Txt>
          <CityNm>Lenexa</CityNm>
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        <LegalDomicileStateCd>KS</LegalDomicileStateCd>
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          <BusinessNameLine1Txt>River City Mech Cont</BusinessNameLine1Txt>
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          <StateAbbreviationCd>MO</StateAbbreviationCd>
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        <LegalDomicileStateCd>MO</LegalDomicileStateCd>
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          <AddressLine1Txt>6200 Technology Center Dr</AddressLine1Txt>
          <CityNm>Indianapolis</CityNm>
          <StateAbbreviationCd>IN</StateAbbreviationCd>
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        <LegalDomicileStateCd>IN</LegalDomicileStateCd>
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          <BusinessNameLine1Txt>Tri Tool Power Services</BusinessNameLine1Txt>
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        <USAddress>
          <AddressLine1Txt>4799 Aviation Parkway Suite E</AddressLine1Txt>
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        <LegalDomicileStateCd>GA</LegalDomicileStateCd>
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        <RelatedOrganizationName>
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          <AddressLine1Txt>3225 Pasadena Blvd</AddressLine1Txt>
          <CityNm>Pasadena</CityNm>
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        <LegalDomicileStateCd>TX</LegalDomicileStateCd>
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          <CityNm>Des Moines</CityNm>
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        <LegalDomicileStateCd>IA</LegalDomicileStateCd>
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          <AddressLine1Txt>701 Gold Ave</AddressLine1Txt>
          <CityNm>Bozeman</CityNm>
          <StateAbbreviationCd>MT</StateAbbreviationCd>
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        <LegalDomicileStateCd>MT</LegalDomicileStateCd>
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        <ControlledOrganizationInd>false</ControlledOrganizationInd>
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        <RelatedOrganizationName>
          <BusinessNameLine1Txt>Bassett Mechanical</BusinessNameLine1Txt>
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          <AddressLine1Txt>1215 Hyland Ave</AddressLine1Txt>
          <CityNm>Kaukauna</CityNm>
          <StateAbbreviationCd>WI</StateAbbreviationCd>
          <ZIPCd>54130</ZIPCd>
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        <LegalDomicileStateCd>WI</LegalDomicileStateCd>
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        <ControlledOrganizationInd>false</ControlledOrganizationInd>
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        <RelatedOrganizationName>
          <BusinessNameLine1Txt>DYAD Industrial Inc</BusinessNameLine1Txt>
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          <AddressLine1Txt>620 N 26th St</AddressLine1Txt>
          <CityNm>Lafayette</CityNm>
          <StateAbbreviationCd>IN</StateAbbreviationCd>
          <ZIPCd>47904</ZIPCd>
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        <LegalDomicileStateCd>IN</LegalDomicileStateCd>
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        <RelatedOrganizationName>
          <BusinessNameLine1Txt>Doyle Plumbing &amp; Heating Co</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>225 North West St</AddressLine1Txt>
          <CityNm>Jacksonville</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>62651</ZIPCd>
        </USAddress>
        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>East Central Illinois Benefit Fd</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>13537 Barrett Parkway Dr Suite 305</AddressLine1Txt>
          <CityNm>Ballwin</CityNm>
          <StateAbbreviationCd>MO</StateAbbreviationCd>
          <ZIPCd>63021</ZIPCd>
        </USAddress>
        <LegalDomicileStateCd>MO</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>H&amp;R Mechanical</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>106 Demand Ct</AddressLine1Txt>
          <CityNm>Georgetown</CityNm>
          <StateAbbreviationCd>KY</StateAbbreviationCd>
          <ZIPCd>40324</ZIPCd>
        </USAddress>
        <LegalDomicileStateCd>KY</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>HMH Contractors Inc</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>817 Millbrook Lane</AddressLine1Txt>
          <CityNm>Kokomo</CityNm>
          <StateAbbreviationCd>IN</StateAbbreviationCd>
          <ZIPCd>46901</ZIPCd>
        </USAddress>
        <LegalDomicileStateCd>IN</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>Industrial Mechanical Inc</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>PO Box 1007</AddressLine1Txt>
          <CityNm>Matoon</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>61938</ZIPCd>
        </USAddress>
        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>John E Green Company</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>220 Victor Ave</AddressLine1Txt>
          <CityNm>Highland Park</CityNm>
          <StateAbbreviationCd>MI</StateAbbreviationCd>
          <ZIPCd>48203</ZIPCd>
        </USAddress>
        <LegalDomicileStateCd>MI</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>Leach &amp; Russell Mech Cont</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>9151 Ford Circle</AddressLine1Txt>
          <CityNm>Fishers</CityNm>
          <StateAbbreviationCd>IN</StateAbbreviationCd>
          <ZIPCd>46038</ZIPCd>
        </USAddress>
        <LegalDomicileStateCd>IN</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>Mid Illinois Mech Inc</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>304 S Mason Street</AddressLine1Txt>
          <CityNm>Bloomington</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>61701</ZIPCd>
        </USAddress>
        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>NKC Conveyor Int Co</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>1572 E Brooks Road</AddressLine1Txt>
          <CityNm>Memphis</CityNm>
          <StateAbbreviationCd>TN</StateAbbreviationCd>
          <ZIPCd>38116</ZIPCd>
        </USAddress>
        <LegalDomicileStateCd>TN</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>Scheck Industrial Corp</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>One East Oak Hill Drive Suite 100</AddressLine1Txt>
          <CityNm>Westmont</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60559</ZIPCd>
        </USAddress>
        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>Vanguard Utility Service</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>1421 W 9th St</AddressLine1Txt>
          <CityNm>Owensboro</CityNm>
          <StateAbbreviationCd>KY</StateAbbreviationCd>
          <ZIPCd>42301</ZIPCd>
        </USAddress>
        <LegalDomicileStateCd>KY</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>Walsh Industrial Piping</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>PO Box 11400</AddressLine1Txt>
          <CityNm>Lexington</CityNm>
          <StateAbbreviationCd>KY</StateAbbreviationCd>
          <ZIPCd>40575</ZIPCd>
        </USAddress>
        <LegalDomicileStateCd>KY</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>Western KY Industrial Con</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>PO Box 641</AddressLine1Txt>
          <CityNm>Calvert City</CityNm>
          <StateAbbreviationCd>KY</StateAbbreviationCd>
          <ZIPCd>42029</ZIPCd>
        </USAddress>
        <LegalDomicileStateCd>KY</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>false</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>false</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>false</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>false</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>false</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>false</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>false</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>false</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>false</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>false</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>false</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>false</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>false</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>false</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>false</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>false</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>false</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>false</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>false</TransferFromOtherOrgInd>
    </IRS990ScheduleR>
  </ReturnData>
</Return>