Roofing Manufacturers:

      Asphalt/Fiberglass Shingles:
         GAF Materials ~ http://www.gaf.com/
         IKO ~ http://www.iko.com/
         Owens Corning ~ http://www.owenscorning.com/
         Tamko ~ http://www.tamko.com/

      Steel Shingles:
         Metro Roof ~ http://www.metroroofproducts.com/
         Tamko ~ http://www.metalworksroof.com/

      Steel Panels:
         Pac-Clad ~ http://www.pac-clad.com/
         Una-Clad ~ http://www.unaclad.com/

   Siding Manufacturers:

      Vinyl Siding:
         Alcoa ~ http://www.alcoa.com/
         Alside ~ http://www.alside.com/
         CertainTeed ~ http://www.certainteed.com/
         Norandex/Reynolds ~ http://www.norandexreynolds.com/
         Owens Corning ~ http://www.owenscorning.com/
         Revere ~ http://www.reverebuildingproducts.com/

      Steel Siding:
         EDCO ~ http://www.edcoproducts.com/
         EMCO ~ http://www.emcobuildingproducts.com/
         Norandex/Reynolds ~ http://www.norandexreynolds.com/
         Revere ~ http://www.reverebuildingproducts.com/
         Rollex ~ http://www.rollex.com/

   Gutter Manufacturers:

      Gutters/Downspouts:
         Lynch Aluminum ~ http://www.lynchaluminum.com/

      Gutter Covers:
         Evelyn's Leaf Solution ~ http://www.leafsolution.com/

      Soffit/Trim:
         ALSCO Metals ~ http://www.alscometals.com/