Cool Roofing Materials Database
Assists with the selection of roofing materials which reflect, or otherwise reject, the sun's radiant energy, before it penetrates into the interior of the building. From the Lawrence Berkeley National Laboratory .
http://eetd.lbl.gov/coolroof/

Custom-Bilt Metals
Supplier of metal roofing, standing seam, steel roofing, aluminum roofing, copper roofing, roofing tools, roofing equipment, gutter systems, flashings, copings, tools and training.
http://www.custombiltmetals.com/

South Coast Roofing
Specialist roofing distributor, roofing materials for pitched roofing, flat roofing, industrial sheeting and general accessories
http://www.scrs.co.uk/

GAF Materials Corporation
Roofing from North America’s largest roofing and ventilation manufacturer, plus CrossTimbers Decking, CanyonRock Stone, LL Building Products Metal Ductwork & Decorative Iron, GAF-Elk Specialty Fabrics
http://www.gaf.com/

Rodd Roofing
Rodd Roofing Company - over 85 years of experience in the roofing and waterproofing industry, serving Vermont, New Hampshire, and Maine.
http://www.roddroofing.com/

NS Irwin Ltd.
N.S. Irwin Ltd is a quality supplier of roofing and roofing accessories, flashings, corrugated metals, sheetmetal and Longrun steel roofing, cladding and roof drains
http://www.irwin.co.nz/

Polythane Systems
Manufacturer of sprayed Polyurethane foam roofing systems. Home of the GE/Polythane Roofing System. Nation-wide network of qualified spray foam roofing contractors. The roofing systems are warranted by GE.
http://www.polythane.com

Fawn Buck Inc
Acrylic Roof Coating, Seamless Acrylic Roofing System and Acrylic Roof Coatings from Polar Seal Inc.
http://polarsealinc.com

Bradco Wholesale
Supplier of commercial roofing products and residential roofing products for roofing distribution companies.
http://www.bradcowholesale.com

American Solar Roofing Systems
American Solar manufactures a new thermal solar heating system, which produces heat at lower cost than most fossil fuel, electric, or PV solar energy sources. Ideal applications include heating or pre-heating for emergency generators, heat pumps, boilers or hot water.
http://www.americansolar.com