Structural Building Components Association (SBCA)
APA - The Engineered Wood Association
American Forest & Paper Association (AF&PA)
American Iron & Steel Institute
American National Standards Institute (ANSI)
American Wood Council (AWC)
Canadian Wood Council (CWC)
Forest Products Laboratory
Forest Products Society (FPS)
National Association of Home Builders (NAHB)
National Frame Builders Association (NFBA)
Northeastern Lumber Manufacturers Association (NELMA)
Southern Forest Products Association (SFPA)
Southern Pine Council
Southern Pine Inspection Bureau (SPIB)
West Coast Lumber Inspection Bureau (WCLIB)
Western Wood Products Association (WWPA)