Professional Trade Associations
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SMRCA: SOUTHEASTERN MICHIGAN ROOFING CONTRACTORS ASSOCIATION http://www.smrca.org/ |
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SMACNA: SHEET METAL AND AIR CONDITIONING CONTRACTORS' NATIONAL ASSOCIATION http://www.smacna.org/ |
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USGBC: United States GreenBuilding Council http://www.usgbc.org/ |
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Roofers Union: United Union of Roofers, Waterproofers, and Allied Workers Local 149 http://www.unionroofers.com |
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Sheet Metal Workers Union: Sheet Metal Workers’ Local 80 http://www.sheet80.org |