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      </Form990ScheduleDPartXIV>
    </IRS990ScheduleD>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <GeneralExplanation>
        <Identifier>THE FUND MAY NOT RECEIVE DEDUCTIBLE CONTRIBUTIONS UNDER SECTION 170(C).</Identifier>
        <ReturnReference>PART V, LINE 7</ReturnReference>
        <Explanation>THEREFORE, LINES 7A THROUGH 7H ARE NOT APPLICABLE.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION A, LINE 2</ReturnReference>
        <Explanation>THE RELATIONSHIP BETWEEN THE TRUSTEES OF THE FUND IS A "BUSINESS RELATIONSHIP." THE FUND IS ESTABLISHED AND MAINTAINED PURSUANT TO THE EMPLOYEE RETIREMENT INCOME SECURITY ACT OF 1974, AS AMENDED. THE FUND, AS A TAFT-HARTLEY FUND, IS ADMINISTERED BY A BOARD OF TRUSTEES WHICH IS COMPOSED OF AN EQUAL NUMBER OF UNION AND EMPLOYER REPRESENTATIVES. BECAUSE OF THIS ORGANIZATIONAL REQUIREMENT, THERE IS A BUSINESS RELATIONSHIP BETWEEN THE TRUSTEES.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION A, LINE 4</ReturnReference>
        <Explanation>THE FUND'S BOARD OF TRUSTEES ADOPTED AMENDMENTS TO ITS PLAN DOCUMENT DURING THE TAX YEAR THAT: REFLECTED CHANGES IN FUNDS'S SERVICE PROVIDERS; WERE REQUIRED TO COMPLY WITH THE PATIENT PROTECTION AND AFFORDABLE CARE ACT; CLARIFIED THE DIFFERENT CLASSIFICATION OF EMPLOYEES COVERED BY THE PLAN, THE ELIGIBILITY RULES FOR EACH CLASS, AND THE BENEFITS PROVIDED TO EACH CLASS; UPDATED THE BENEFITS THE FUND PROVIDES; CLARIFIED RULES AND BENEFITS FOR RETIRED PARTICIPANTS; UPDATED THE PLAN'S EXCLUSIONS AND LIMITATIONS; AND, UPDATED THE CLAIMS AND APPEALS PROVISION.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION A, LINE 7A</ReturnReference>
        <Explanation>THE FUND IS ADMINISTERED BY A BOARD OF EIGHT TRUSTEES, COMPRISED OF FOUR UNION TRUSTEES AND FOUR EMPLOYER TRUSTEES. THE UNION TRUSTEES ARE ELECTED BY THE LOCAL UNION MEMBERSHIP, EITHER DIRECTLY INTO A TRUSTEE POSITION OR INTO AN OFFICE POSITION OF THE LOCAL UNION FROM WHICH HE HOLDS HIS FUND TRUSTEESHIP EX OFFICIO.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION B, LINE 11</ReturnReference>
        <Explanation>THE FORM 990 IS PROVIDED TO EACH TRUSTEE BEFORE IT IS FILED WITH THE IRS. IN ADDITION, IT IS PRESTENED AND APPROVED BY THE FULL BOARD OF TRUSTEES AT A MEETING, SUBJECT TO REVIEW BY, AND APPROVAL OF, THE FUND'S LEGAL COUNSEL.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>EACH TRUSTEE MUST ANNUALLY ANSWER THE FIDUCIARY LIABILITY INSURANCE RENEWAL</Identifier>
        <ReturnReference>PART VI, LINE 12B</ReturnReference>
        <Explanation>QUESTIONNAIRE, WHICH CONTAINS QUESTIONS REGARDING POTENTIAL AND ACTUAL CONFLICTS OF INTEREST.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Explanation>PART VI, LINE 15: THE FUND DID NOT HAVE ANY EMPLOYEES THAT MET THE DEFINITIONS IN THE PLAN YEAR. IF THE FUND DID HAVE EMPLOYEES THAT MET THE LISTED DEFINITIONS, THEN ANY COMPENSATION WOULD HAVE BEEN ESTABLISHED IN ACCORDANCE WITH THE PROCESS DESCRIBED IN PART VI, LINE 15A OF FORM 990.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION C, LINE 18</ReturnReference>
        <Explanation>THE ORGANIZATION MAKES AVAILABLE FOR PUBLIC INSPECTION UPON REQUEST.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION C, LINE 19</ReturnReference>
        <Explanation>THE FUND IS ESTABLISHED AND MAINTAINED PURSUANT TO THE EMPLOYEE RETIREMENT INCOME SECURITY ACT OF 1974, AS AMENDED. IT OPERATES IN COMPLIANCE WITH THE REPORTING AND DISCLOSURE REQUIREMENTS OF SUBTITLE B, PART 1 OF ERISA WITH RESPECT TO DISCLOSURE OF ITS GOVERNING DOCUMENTS AND FINANCIAL INFORMATION. IT OPERATES IN COMPLIANCE WITH THE FIDUCIARY RESPONSIBILITY REQUIREMENTS OF SUBTITLE B, PART 4 OF ERISA. THE FUND DOES NOT HAVE A CONFLICT OF INTEREST POLICY.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>CHANGES IN NET ASSETS OR FUND BALANCES:</Identifier>
        <ReturnReference>FORM 990, PART XI, LINE 5:</ReturnReference>
        <Explanation>NET UNREALIZED LOSSES ON INVESTMENTS: -134,475.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART 1, LINE 1, DESCRIPTION OF ORGANIZATION MISSION:</ReturnReference>
        <Explanation>BENEFITS FOR ELIGIBLE PARTICIPANTS.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>PART VII, LINE 1A</ReturnReference>
        <Explanation>THE TRUSTEES OF THE FUND SERVE WITHOUT COMPENSATION FROM THE FUND, BUT SOME ARE COMPENSATED AS EMPLOYEES OF ENTITIES THAT ARE CONSIDERED RELATED ORGANIZATIONS TO THE FUND FOR PURPOSES OF FORM 990.</Explanation>
      </GeneralExplanation>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="RetDoc1043400001">
      <Form990ScheduleRPartII>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>CITY OF DETROIT</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>2 WOODWARD AVENUE SUITE 644</AddressLine1>
          <City>DETROIT</City>
          <State>MI</State>
          <ZIPCode>48226</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
        <ControlledOrg>0</ControlledOrg>
      </Form990ScheduleRPartII>
      <Form990ScheduleRPartII>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>SMACNA DETROIT CHAPTER</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>3221 W BIG BEAVER ROAD SUITE 305</AddressLine1>
          <City>TROY</City>
          <State>MI</State>
          <ZIPCode>48084</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
        <ControlledOrg>0</ControlledOrg>
      </Form990ScheduleRPartII>
      <Form990ScheduleRPartII>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>SHEET METAL WORKERS LOCAL UNION NO 80 APPRENTICESHIP FUND</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>32700 DEQUINDRE</AddressLine1>
          <City>WARREN</City>
          <State>MI</State>
          <ZIPCode>48092</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
        <ControlledOrg>0</ControlledOrg>
      </Form990ScheduleRPartII>
      <Form990ScheduleRPartII>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>SHEET METAL WORKERS LOCAL UNION NO 80 ANNUITY FUND</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>700 TOWER DRIVE SUITE 300</AddressLine1>
          <City>TROY</City>
          <State>MI</State>
          <ZIPCode>480982808</ZIPCode>
        </AddressUS>
        <EIN>382941426</EIN>
        <LegalDomicileState>MI</LegalDomicileState>
        <ControlledOrg>0</ControlledOrg>
      </Form990ScheduleRPartII>
      <Form990ScheduleRPartII>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>SHEET METAL WORKERS LOCAL UNION NO 80 PENSION FUND</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>700 TOWER DRIVE SUITE 300</AddressLine1>
          <City>TROY</City>
          <State>MI</State>
          <ZIPCode>480982808</ZIPCode>
        </AddressUS>
        <EIN>386105633</EIN>
        <LegalDomicileState>MI</LegalDomicileState>
        <ControlledOrg>0</ControlledOrg>
      </Form990ScheduleRPartII>
      <Form990ScheduleRPartII>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>SHEET METAL WORKERS LOCAL UNION NO80 SUPPLEMENTAL UNEMPLOYMENT BENEFIT FUND</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>700 TOWER DRIVE SUITE 300</AddressLine1>
          <City>TROY</City>
          <State>MI</State>
          <ZIPCode>480982808</ZIPCode>
        </AddressUS>
        <EIN>386112387</EIN>
        <LegalDomicileState>MI</LegalDomicileState>
        <ControlledOrg>0</ControlledOrg>
      </Form990ScheduleRPartII>
      <Form990ScheduleRPartII>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>SHEET METAL WORKERS LOCAL UNION</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>17100 W 12 MILE ROAD 2ND FLOOR</AddressLine1>
          <City>SOUTHFIELD</City>
          <State>MI</State>
          <ZIPCode>48076</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
        <ControlledOrg>0</ControlledOrg>
      </Form990ScheduleRPartII>
      <Form990ScheduleRPartIII>
        <NameOfRelatedOrg>
          <BusinessNameLine1>CEI MICHIGAN LLC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>PO BOX 200 2140 INDUSTRIAL DR</AddressLine1>
          <City>HOWELL</City>
          <State>MI</State>
          <ZIPCode>48843</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
        <DisproportionateAllocations>0</DisproportionateAllocations>
        <GeneralOrManagingPartner>0</GeneralOrManagingPartner>
      </Form990ScheduleRPartIII>
      <Form990ScheduleRPartIII>
        <NameOfRelatedOrg>
          <BusinessNameLine1>SDI EXTERIOR SYSTEMS LLC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>20791 RANDALL</AddressLine1>
          <City>FARMINGTON HILLS</City>
          <State>MI</State>
          <ZIPCode>48336</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
        <DisproportionateAllocations>0</DisproportionateAllocations>
        <GeneralOrManagingPartner>0</GeneralOrManagingPartner>
      </Form990ScheduleRPartIII>
      <Form990ScheduleRPartIII>
        <NameOfRelatedOrg>
          <BusinessNameLine1>CONQUEST MANUFACTURING LLC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>28408 LORNA AVE</AddressLine1>
          <City>WARREN</City>
          <State>MI</State>
          <ZIPCode>48092</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
        <DisproportionateAllocations>0</DisproportionateAllocations>
        <GeneralOrManagingPartner>0</GeneralOrManagingPartner>
      </Form990ScheduleRPartIII>
      <Form990ScheduleRPartIII>
        <NameOfRelatedOrg>
          <BusinessNameLine1>HMW CONTRACTING LLC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>12855 BURT ROAD</AddressLine1>
          <City>DETROIT</City>
          <State>MI</State>
          <ZIPCode>48223</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
        <DisproportionateAllocations>0</DisproportionateAllocations>
        <GeneralOrManagingPartner>0</GeneralOrManagingPartner>
      </Form990ScheduleRPartIII>
      <Form990ScheduleRPartIII>
        <NameOfRelatedOrg>
          <BusinessNameLine1>HERITAGE MECHANICAL LL</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>522 BIDDLE</AddressLine1>
          <City>WYANDOTTE</City>
          <State>MI</State>
          <ZIPCode>48192</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
        <DisproportionateAllocations>0</DisproportionateAllocations>
        <GeneralOrManagingPartner>0</GeneralOrManagingPartner>
      </Form990ScheduleRPartIII>
      <Form990ScheduleRPartIII>
        <NameOfRelatedOrg>
          <BusinessNameLine1>SUMMIT ROOFING LLC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>1755 WALDON RD</AddressLine1>
          <City>LAKE ORION</City>
          <State>MI</State>
          <ZIPCode>48359</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
        <DisproportionateAllocations>0</DisproportionateAllocations>
        <GeneralOrManagingPartner>0</GeneralOrManagingPartner>
      </Form990ScheduleRPartIII>
      <Form990ScheduleRPartIII>
        <NameOfRelatedOrg>
          <BusinessNameLine1>MECHANICAL DESIGN &amp; INSTALLATION LLC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>47924 WEST RD</AddressLine1>
          <City>WIXOM</City>
          <State>MI</State>
          <ZIPCode>48393</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
        <DisproportionateAllocations>0</DisproportionateAllocations>
        <GeneralOrManagingPartner>0</GeneralOrManagingPartner>
      </Form990ScheduleRPartIII>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>BARMATIC INSPECTING COMPANY</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>1771 DIX</AddressLine1>
          <City>LINCOLN PARK</City>
          <State>MI</State>
          <ZIPCode>48146</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>SCHENA ROOFING &amp; SHEET METAL C</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>28299 KEHRIG DRIVE</AddressLine1>
          <City>NEW BALTIMORE</City>
          <State>MI</State>
          <ZIPCode>48047</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>KNAPPS ARCHITECTURAL METAL WOR</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>706 EGRAND BLANC RD</AddressLine1>
          <City>GRAND BLANC</City>
          <State>MI</State>
          <ZIPCode>48439</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>DENNIS HEATING &amp; COOLING</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>17501 FRANCIS STREET</AddressLine1>
          <City>MELVINDALE</City>
          <State>MI</State>
          <ZIPCode>48122</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>BRINES REFRIGERATION INC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>26400 SOUTHFIELD RD</AddressLine1>
          <City>LATHRUP VILLAGE</City>
          <State>MI</State>
          <ZIPCode>48076</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>BRINKER TEAM CONSTRUCTION CO</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>815 W GRAND BLVD</AddressLine1>
          <City>DETROIT</City>
          <State>MI</State>
          <ZIPCode>48216</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>CROWN CORR INC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>BOX 1750</AddressLine1>
          <City>HIGHLAND</City>
          <State>IN</State>
          <ZIPCode>46322</ZIPCode>
        </AddressUS>
        <LegalDomicileState>IN</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>VM SYSTEMS INC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>3125 HILL AVENUE</AddressLine1>
          <City>TOLEDO</City>
          <State>OH</State>
          <ZIPCode>43607</ZIPCode>
        </AddressUS>
        <LegalDomicileState>OH</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>MICHIGAN METAL WALLS INC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>1410 MCKINLEY</AddressLine1>
          <City>WYANDOTTE</City>
          <State>MI</State>
          <ZIPCode>48192</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>EXTERIOR METALS INC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>3162 EAST HEMPHILL</AddressLine1>
          <City>BURTON</City>
          <State>MI</State>
          <ZIPCode>48529</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>MARTINEZ MECHANICAL INC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>29701 WEST 6 MILE ROAD STE 140A</AddressLine1>
          <City>LIVONIA</City>
          <State>MI</State>
          <ZIPCode>48152</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>MW MORSS ROOFING</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>15423 OAKWOOD DR</AddressLine1>
          <City>ROMULUS</City>
          <State>MI</State>
          <ZIPCode>48174</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>DEE CRAMER INC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>4221 EBALDWIN RD</AddressLine1>
          <City>HOLLY</City>
          <State>MI</State>
          <ZIPCode>48442</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>BUMLER MECHANICAL INC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>6260 18-1/2 MILE RD</AddressLine1>
          <City>STERLING HGTS</City>
          <State>MI</State>
          <ZIPCode>48314</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>CONDOR METAL ROOFING &amp; SIDING</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>11800 EAST 9 MILE</AddressLine1>
          <City>WARREN</City>
          <State>MI</State>
          <ZIPCode>48089</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>COMMERCIAL COMFORT SYSTEMS</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>PO BOX 8792</AddressLine1>
          <City>MAUMEE</City>
          <State>OH</State>
          <ZIPCode>43537</ZIPCode>
        </AddressUS>
        <LegalDomicileState>OH</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>HALEY MECHANICALINC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>PO BOX 417</AddressLine1>
          <City>DEXTER</City>
          <State>MI</State>
          <ZIPCode>48130</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>BEST IMPRESSIONSINC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>32680 NEWMAN</AddressLine1>
          <City>FRASER</City>
          <State>MI</State>
          <ZIPCode>48026</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>E W ENSROTH COMPANY</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>24621 SCHOENHERR RD</AddressLine1>
          <City>WARREN</City>
          <State>MI</State>
          <ZIPCode>48089</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>FULLER HEATING COMPANY</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>777 S WAGNER ROAD</AddressLine1>
          <City>ANN ARBOR</City>
          <State>MI</State>
          <ZIPCode>48103</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>GREAT LAKES HOTEL SUPPLY COMPA</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>1961 GRAND RIVER AVENUE</AddressLine1>
          <City>DETROIT</City>
          <State>MI</State>
          <ZIPCode>48226</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>GREAT LAKES MTL PANEL SYS INC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>13640 WEST STATE RD</AddressLine1>
          <City>GRAND LEDGE</City>
          <State>MI</State>
          <ZIPCode>48837</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>LIBERTY SHEET METAL</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>4715 22 MILE RD</AddressLine1>
          <City>UTICA</City>
          <State>MI</State>
          <ZIPCode>48317</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>LIMBACH COMPANY</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>926 FEATHERSTONE PO BOX 432099</AddressLine1>
          <City>PONTIAC</City>
          <State>MI</State>
          <ZIPCode>483420728</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>MCSHANE MECHANICAL CONTRACTING</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>2055 EASY STREET</AddressLine1>
          <City>COMMERCE TWP</City>
          <State>MI</State>
          <ZIPCode>48390</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>ROBERTSON MORRISON INC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>4721 RUNWAY BLVD</AddressLine1>
          <City>ANN ARBOR</City>
          <State>MI</State>
          <ZIPCode>48108</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>S &amp; Z SHEETMETAL INC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>5237 COMMERCE ROAD</AddressLine1>
          <City>FLINT</City>
          <State>MI</State>
          <ZIPCode>48507</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>A-1 SPECIALTY SERVICES</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>1416 W 8 MILE</AddressLine1>
          <City>FERNDALE</City>
          <State>MI</State>
          <ZIPCode>48220</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>NORTH ROOFING (GORDON)</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>1870 OPDYKE ROAD</AddressLine1>
          <City>AUBURN HILLS</City>
          <State>MI</State>
          <ZIPCode>48326</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>NORTH STAR REFRIGERATION</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>50650 CORPORATE DRIVE SUITE A</AddressLine1>
          <City>SHELBY TOWNSHIP</City>
          <State>MI</State>
          <ZIPCode>48315</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>AMERICAN MECHANICAL</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>4305 DELEMERE BLVD</AddressLine1>
          <City>ROYAL OAK</City>
          <State>MI</State>
          <ZIPCode>480731806</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>ALLIED VENTILATION INC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>21714 SCHMEMAN</AddressLine1>
          <City>WARREN</City>
          <State>MI</State>
          <ZIPCode>48089</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>SYSTEMP CORP</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>3909 INDUSTRIAL DRIVE</AddressLine1>
          <City>ROCHESTER HILLS</City>
          <State>MI</State>
          <ZIPCode>48309</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>MACOMB HEATING &amp; COOLING INC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>6250 19 MILE ROAD</AddressLine1>
          <City>STERLING HEIGHTS</City>
          <State>MI</State>
          <ZIPCode>48314</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>BLOOM ROOFING SYSTEMS INC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>12238 EMERSON DRIVE</AddressLine1>
          <City>BRIGHTON</City>
          <State>MI</State>
          <ZIPCode>48116</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>MOTOR CITY VENTILATION INC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>5851 W FORT STREET</AddressLine1>
          <City>DETROIT</City>
          <State>MI</State>
          <ZIPCode>48209</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>MI LABOR INC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>64200 TIPPERARY</AddressLine1>
          <City>WASHINGTON TWP</City>
          <State>MI</State>
          <ZIPCode>48095</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>VENTILATION SYSTEMS INC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>PO BOX 287</AddressLine1>
          <City>HARTLAND</City>
          <State>MI</State>
          <ZIPCode>48353</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>MJ MECHANICAL INC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>11787 PRIOR RD</AddressLine1>
          <City>ST CHARLES</City>
          <State>MI</State>
          <ZIPCode>48655</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>UNIVERSAL WALL SYSTEMS INC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>6119 28TH STREET SE SUITE 1B</AddressLine1>
          <City>GRAND RAPIDS</City>
          <State>MI</State>
          <ZIPCode>49546</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>KOOL HEATING &amp; COOLING</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>PO BOX 1096</AddressLine1>
          <City>PERRYSBURG</City>
          <State>OH</State>
          <ZIPCode>43552</ZIPCode>
        </AddressUS>
        <LegalDomicileState>OH</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>EL MECHANICAL INC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>PO BOX 34427</AddressLine1>
          <City>DETROIT</City>
          <State>MI</State>
          <ZIPCode>48234</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>JOHNSON CONTROLS</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>507 E MICHIGAN ST</AddressLine1>
          <City>MILWAUKEE</City>
          <State>WI</State>
          <ZIPCode>532025211</ZIPCode>
        </AddressUS>
        <LegalDomicileState>WI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>WITT MECHANICAL INC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>28722 WALL STREET</AddressLine1>
          <City>WIXOM</City>
          <State>MI</State>
          <ZIPCode>48393</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>METRO AIR INC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>6689 ORCHARD LAKE RD SUITE 320</AddressLine1>
          <City>WEST BLOOMFIELD</City>
          <State>MI</State>
          <ZIPCode>48322</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>ROYAL-WEST ROOFING &amp; SHEET METAL LLC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>10505 PLAZA DRIVE STE B</AddressLine1>
          <City>WHITMORE LAKE</City>
          <State>MI</State>
          <ZIPCode>48189</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>AERODYNAMICS INSPECTING COMP</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>6325 CHASE ROAD</AddressLine1>
          <City>DEARBORN</City>
          <State>MI</State>
          <ZIPCode>48126</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>DETROIT CORNINCE AND SLATE CO INC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>1315 ACADEMY</AddressLine1>
          <City>FERNDALE</City>
          <State>MI</State>
          <ZIPCode>48220</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>ERV EHLERS COMPANY</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>30885 EIGHT MILE RD</AddressLine1>
          <City>LIVONIA</City>
          <State>MI</State>
          <ZIPCode>48152</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>WJ O'NEIL COMPANY</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>35457 INDUSTRIAL</AddressLine1>
          <City>LIVONIA</City>
          <State>MI</State>
          <ZIPCode>48150</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>J &amp; J METAL PRODUCTS</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>34145 GROESBECK</AddressLine1>
          <City>CLINTON TWP</City>
          <State>MI</State>
          <ZIPCode>48035</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>RE LEGGETTE COMPANY</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>9335 ST STEPHENS</AddressLine1>
          <City>DEARBORN</City>
          <State>MI</State>
          <ZIPCode>48126</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>ALLIANCE AIR CONDITIONING &amp; HE</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>20800 HUBBELL</AddressLine1>
          <City>OAK PARK</City>
          <State>MI</State>
          <ZIPCode>482373019</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>PARTLAN-LABADIE SHEET METAL CO</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>12901 CLOVERDALE</AddressLine1>
          <City>OAK PARK</City>
          <State>MI</State>
          <ZIPCode>48237</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>ROYAL ROOFING CO INC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>2445 BROWN RD</AddressLine1>
          <City>ORION</City>
          <State>MI</State>
          <ZIPCode>48359</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>SCHREIBER CORPORATION</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>29945 BECK ROAD</AddressLine1>
          <City>WIXOM</City>
          <State>MI</State>
          <ZIPCode>48393</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>RW MEAD &amp; SONS INC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>33795 RIVIERA DRIVE</AddressLine1>
          <City>FRASER</City>
          <State>MI</State>
          <ZIPCode>48026</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>RENE VANASSCHE &amp; SONS COMPANY</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>21530 GROESBECK</AddressLine1>
          <City>WARREN</City>
          <State>MI</State>
          <ZIPCode>48089</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>TEMPCO MECHANICAL CONTRACTORS</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>24383 INDOPLEX CIRCLE</AddressLine1>
          <City>FARMINGTON HILLS</City>
          <State>MI</State>
          <ZIPCode>48335</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>HUTZEL PLUMBING &amp; HEATING CO</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>2311 SOUTH INDUSTRIAL HWY</AddressLine1>
          <City>ANN ARBOR</City>
          <State>MI</State>
          <ZIPCode>48104</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>APPLEGATE INC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>485 EAST SOUTH STREET</AddressLine1>
          <City>JACKSON</City>
          <State>MI</State>
          <ZIPCode>49203</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>SANI-VAC SERVICE INC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>5750 ENTERPRISE CT</AddressLine1>
          <City>WARREN</City>
          <State>MI</State>
          <ZIPCode>480923462</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>JD CANDLER ROOFING CO INC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>31111 INDUSTRIAL</AddressLine1>
          <City>LIVONIA</City>
          <State>MI</State>
          <ZIPCode>48150</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>CDP ENVIRONMENTAL INC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>16525 EASTLAND</AddressLine1>
          <City>ROSEVILLE</City>
          <State>MI</State>
          <ZIPCode>48066</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>ANN ARBOR ROOFING COMPANY</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>PO BOX 347</AddressLine1>
          <City>WHITMORE LAKE</City>
          <State>MI</State>
          <ZIPCode>481890347</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>ENVIRO-AIRE INC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>28915 HARPER AVENUE</AddressLine1>
          <City>ST CLAIR SHORES</City>
          <State>MI</State>
          <ZIPCode>48081</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>NEWTON CRANE ROOFING INC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>353 N CASS AVE</AddressLine1>
          <City>PONTIAC</City>
          <State>MI</State>
          <ZIPCode>48058</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>BARON MECHANICAL CONTRACTORS INC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>30621 INDUSTRIAL RD</AddressLine1>
          <City>LIVONIA</City>
          <State>MI</State>
          <ZIPCode>48150</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>INTERNATIONAL TEST &amp; BALANCE INC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>380 NORTHWEST HWY</AddressLine1>
          <City>DES PLAINES</City>
          <State>IL</State>
          <ZIPCode>600162201</ZIPCode>
        </AddressUS>
        <LegalDomicileState>IL</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>LADUKE CORPORATION</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>10311 CAPITAL AVENUE</AddressLine1>
          <City>OAK PARK</City>
          <State>MI</State>
          <ZIPCode>48237</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>LYON MECHANICAL CONTRACTORSINC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>PO BOX 130</AddressLine1>
          <City>NEW HUDSON</City>
          <State>MI</State>
          <ZIPCode>48165</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>ABSOLUT BALANCING CO INC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>9712 HARMON LANE</AddressLine1>
          <City>SOUTH LYON</City>
          <State>MI</State>
          <ZIPCode>48178</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>TEMP ASURE DBA WEBB MECHANICAL &amp; ELECTRICAL CONTRACTORS</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>12681 DELTA DR</AddressLine1>
          <City>TAYLOR</City>
          <State>MI</State>
          <ZIPCode>48180</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>T F BECK COMPANY</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>2222 DEVONDALE ROAD</AddressLine1>
          <City>ROCHESTER HILLS</City>
          <State>MI</State>
          <ZIPCode>48309</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>QUALITY ROOFING INCORPORATED</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>6201 EARHART RD</AddressLine1>
          <City>ANN ARBOR</City>
          <State>MI</State>
          <ZIPCode>48105</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>SET DUCT MANUFACTURING INC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>7800 INTERVALE</AddressLine1>
          <City>DETROIT</City>
          <State>MI</State>
          <ZIPCode>48238</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>VENTCON INC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>500 ENTERPRISE DRIVE</AddressLine1>
          <City>ALLEN PARK</City>
          <State>MI</State>
          <ZIPCode>48101</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>MCM FIXTURE COMPANY</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>21306 JOHN R</AddressLine1>
          <City>HAZEL PARK</City>
          <State>MI</State>
          <ZIPCode>48030</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>MECHANICAL SHEET METAL CO</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>723 WALNUT</AddressLine1>
          <City>WYANDOTTE</City>
          <State>MI</State>
          <ZIPCode>48192</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>MEP MECHANICAL SERVICES LLC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>12125 W SILVER SPRING RD</AddressLine1>
          <City>MILWAUKEE</City>
          <State>WI</State>
          <ZIPCode>53225</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>GREAT LAKES MECHANICAL</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>3800 MAPLE</AddressLine1>
          <City>DEARBORN</City>
          <State>MI</State>
          <ZIPCode>48126</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>CURBS &amp; DAMPER PRODUCTS INC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>16525 EASTLAND</AddressLine1>
          <City>ROSEVILLE</City>
          <State>MI</State>
          <ZIPCode>48066</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>METRO ENVIRONMENTAL INC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>22656 15 MILE RD</AddressLine1>
          <City>CLINTON TWP</City>
          <State>MI</State>
          <ZIPCode>48035</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>S &amp; M SHEET METAL LTD</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>23262 TELEGRAPH</AddressLine1>
          <City>SOUTHFIELD</City>
          <State>MI</State>
          <ZIPCode>48034</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>MW METALS INCORPORATED</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>6201 EARHART ROAD</AddressLine1>
          <City>ANN ARBOR</City>
          <State>MI</State>
          <ZIPCode>48105</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>CONTI MECHANICAL INC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>6417 CENTER DRIVE</AddressLine1>
          <City>STERLING HEIGHTS</City>
          <State>MI</State>
          <ZIPCode>48312</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>DANBOISE MECHANICAL</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>31625 GRAND RIVER</AddressLine1>
          <City>FARMINGTON</City>
          <State>MI</State>
          <ZIPCode>48336</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>CUSTOM ARCHITECTURAL SHEETMETAL SPECIALISTS INC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>5641 CONNER AVENUE</AddressLine1>
          <City>DETROIT</City>
          <State>MI</State>
          <ZIPCode>48213</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>THE FRED CHRISTEN &amp; SONS COMPANY</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>12830 MANSFIELD</AddressLine1>
          <City>DETROIT</City>
          <State>MI</State>
          <ZIPCode>48227</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>AIRFLOW TESTING INC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>1105 DIX ROAD</AddressLine1>
          <City>LINCOLN PARK</City>
          <State>MI</State>
          <ZIPCode>48146</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>GOYETTE MECHANICAL CO INC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>3842 GERRY AVE</AddressLine1>
          <City>FLINT</City>
          <State>MI</State>
          <ZIPCode>48506</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>FORCED AIR SYSTEMS INC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>42258 YEAREGO DR</AddressLine1>
          <City>STERLING HEIGHTS</City>
          <State>MI</State>
          <ZIPCode>48314</ZIPCode>
        </AddressUS>
        <LegalDomicileState>MI</LegalDomicileState>
      </Form990ScheduleRPartIV>
      <ReceiptOfIntAnnRentsRoyalties>0</ReceiptOfIntAnnRentsRoyalties>
      <GiftGrantOrCapContrToOtherOrg>0</GiftGrantOrCapContrToOtherOrg>
      <GiftGrantOrCapContrFrOtherOrg>0</GiftGrantOrCapContrFrOtherOrg>
      <LoansOrGuaranteesToOtherOrg>0</LoansOrGuaranteesToOtherOrg>
      <LoansOrGuaranteesFromOtherOrg>0</LoansOrGuaranteesFromOtherOrg>
      <SaleOfAssetsToOtherOrg>0</SaleOfAssetsToOtherOrg>
      <PurchaseOfAssetsFromOtherOrg>0</PurchaseOfAssetsFromOtherOrg>
      <ExchangeOfAssets>0</ExchangeOfAssets>
      <RentalOfFacilitiesToOtherOrgs>0</RentalOfFacilitiesToOtherOrgs>
      <RentalOfFacilitiesFrOtherOrgs>0</RentalOfFacilitiesFrOtherOrgs>
      <PerformOfServicesForOtherOrgs>0</PerformOfServicesForOtherOrgs>
      <PerformOfServicesByOtherOrgs>0</PerformOfServicesByOtherOrgs>
      <SharingOfFacilities>0</SharingOfFacilities>
      <SharingOfPaidEmployees>0</SharingOfPaidEmployees>
      <ReimbursementPaidToOtherOrg>0</ReimbursementPaidToOtherOrg>
      <ReimbursementPaidByOtherOrg>1</ReimbursementPaidByOtherOrg>
      <OtherTransferToOtherOrg>0</OtherTransferToOtherOrg>
      <OtherTransferFromOtherOrg>1</OtherTransferFromOtherOrg>
      <Form990ScheduleRPartVII>
        <Identifier>IDENTIFICATION OF RELATED ORGANIZATIONS:</Identifier>
        <ReturnReference>PARTS II, III, AND IV</ReturnReference>
        <Explanation>THE FILING ORGANIZATION IS A MULTIEMPLOYER TRUST FUND AS DEFINED BY THE EMPLOYEE RETIREMENT INCOME SECURITY ACT OF 1974, AS AMENDED. THE FUND PROVIDES HEALTH AND WELFARE BENEFITS TO ELIGIBLE PARTICIPANTS AND THEIR DEPENDENTS. AS OF MAY 31, 2012, THERE WERE 369 CONTRIBUTING EMPLOYERS TO THE FUND. UNDER THE INSTRUCTIONS TO SCHEDULE R, THOSE EMPLOYERS ARE CONSIDERED "RELATED ORGANIZATIONS". THE FUND'S ADMINISTRATIVE OFFICE MAINTAINS A DATABASE OF ALL CONTRIBUTING EMPLOYERS, INCLUDING NAMES, ADDRESSES, AND OTHER CONTACT INFORMATION. HOWEVER, THE FUND DOES NOT HAVE, AND HAS NO REASONABLE WAY TO OBTAIN, MUCH OF THE INFORMATION TO BE REPORTED ON SCHEDULE R, SUCH AS THE EMPLOYER'S LEGAL STRUCTURE. THE LIST ON SCHEDULE R INCLUDES THE NAMES AND ADDRESSES OF THE CONTRIBUTING EMPLOYERS WITH ADDRESSES, WHICH IS THE EXTENT OF THE INFORMATION THE FUND HAS WITH RESPECT TO EACH EMPLOYER, AND COMPORTS WITH THE INSTRUCTIONS FOR THE 2012 SCEDULE R (FORM 990).</Explanation>
      </Form990ScheduleRPartVII>
    </IRS990ScheduleR>
  </ReturnData>
</Return>