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        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
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        <FormAndLineReferenceDesc>FORM 990, SCHEDULE R, PARTS II-IV</FormAndLineReferenceDesc>
        <ExplanationTxt>IN ADDITION TO THE CONTRIBUTING EMPLOYERS REPORTED AS RELATED ORGANIZATIONS ON SCHEDULE R, PARTS II-IV, THE FUND HAD ADDITIONAL EMPLOYERS THAT HAVE NOT YET RESPONDED TO THE FUNDS EFFORT TO OBTAIN THE TAX CLASSIFICATION, WHICH ARE LISTED BELOW. 1901 INC., ANDERSON HVAC LLC, BADGER BALANCING LLC, BHI ENERGY/ SPECIALTY SERVICES LLC, BIG MIKE'S PLUMBING LLC, BOLDT COMPANY (400), BUILDING TRADES PENSION FUND, CARRIER BUILDING SERVICES, CFM/VR TESCO, COLORADO PIPE INDUSTRY, COOK PLUMBING LLC, CR MEYER &amp; SON, DULUTH BUILD TRADES #49, DULUTH BUILDING TRADES, EGI MECHANICAL, GARTMAN MECHANICAL SERVICE, HAYES COMMERCIAL, LLC, HJ PERTZBORN, HOOPER CORPORATION, HORNER PLUMBING, HOURS HOLIDAY CREDIT, LOCAL NO. 322, LOCAL NO. 572, MIRON CONSTRUCTION CO., INC., MJ ELECTRIC LLC, MMC CONTRACTORS INC, NATIONAL PENSION FUND, NAVMATIC INC, PEVCO SYSTEMS INTL INC, PIPE TRADES IND, PIPE TRADES INDUSTRY H&amp;W, PIPE TRADES SERVICES MN, PIPEFITTERS LOCAL 597, PIPEFITTERS LOCAL NO. 120, PLBRS &amp; PIPE LOCAL 172, PLBRS &amp; PIPEFTRS LOC 136, PLUMBERS &amp; PIPE 572, PLUMBERS &amp; PIPEFTRS 131, PLUMBERS &amp; PIPEFTRS 464, PLUMBERS &amp; PIPEFTRS 589, PLUMBERS &amp; STEAM 118, PLUMBERS LOCAL 137, PLUMBERS LOCAL 146, PLUMBERS LOCAL 177, PLUMBERS LOCAL 25, PLUMBERS LOCAL 290, PLUMBERS LOCAL 295, PLUMBERS LOCAL 322, PLUMBERS LOCAL 33, PLUMBERS LOCAL 353, PLUMBERS LOCAL 353/63, PLUMBERS LOCAL 357, PLUMBERS LOCAL 420, PLUMBERS LOCAL 434, PLUMBERS LOCAL 449, PLUMBERS LOCAL 452, PLUMBERS LOCAL 520, PLUMBERS LOCAL 562, PLUMBERS LOCAL 597, PLUMBERS LOCAL 598, PLUMBERS LOCAL 630, PLUMBERS LOCAL 72, PLUMBERS LOCAL 75, PLUMBERS LOCAL 85, PLUMBERS LOCAL UNION 716, PLUMBRS&amp;STEAMFTS LOCAL 10, RIVERVIEW PLUMBING INC., RJ PARINS PLUMBING &amp; HTG, S &amp; S MECHANICAL, SABEL INDUSTRIAL LLC, SCHROEDER-DAVIS PLUMBING, INC, SONNTAG PLUMBING INC, STRAIGHT LINE REFRIGERATION, LLC, TECHVISIONS &amp; SOLUTIONS LLC, TRANE TECHNOLOGIES, U A LOCAL NO 23, ON LOCAL 118, ION LOCAL 150, UNION LOCAL 524, UPPER PENINSULA PLUMBERS, VALLEY MECHANICAL, INC, VETERANS PLUMBING LLC, WASHINGTON STATE PLBG, WISCONSIN MECHANICAL SOLUTIONS, WOOLSEY PLUMBING &amp; HEATIN, ZENTNER &amp; SONS</ExplanationTxt>
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