AmityInsulation.com
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3M Canada Amity Metal Products CSR (Bradford insulation)Dow (The) Chemical CompanyDow Corning Canada Inc.Foster Products CorporationHowred Corp.Lewco specialty productsProtherm™ Calcium Silicate (pdf data sheet)Rock Wool ManufacturingRPR Products Inc.Rubatex CorporationThermal CeramicsThermon Heat Tracing Venture Tape Corp.