The Aluminum Association, Inc. www.aluminum.org
American Institute of Steel Construction, Inc. www.aisc.org
American Iron and Steel Institute www.steel.org
Cool Metal Roofing Coalition www.coolmetalroofing.org
Cool Roof Rating Council www.coolroofs.org
Metal Roofing Alliance www.metalroofing.com
National Coil Coating Association www.coilcoating.org
National Frame Builders Association www.nfba.org
U.S. Green Building Council www.usbgc.org