AIA - The American Institute of Architects
ASME - The American Society of Mechanical Engineers
ASHRAE - The American Society of Heating, Refrigerating and Air-Conditioning Engineers
ASPE - American Society of Plumbing Engineers
ASSE - The American Society of Safety Engineers
ASSE - American Society of Sanitary Engineering
CFSEI - Cold-Formed Steel Engineers Institute
SEAINT - Structural Engineers Association International
ACI - American Concrete Institute
AISC - American Institute of Steel Construction
AWS - American Welding Society
ATC - Applied Technology Council
CTI - Cooling Technology Institute
RCSC - The Research Council on Structural Connections
UL - Underwriters Laboratories
WH - Warnock Hersey
APA - The Engineered Wood Association
AGA - American Galvanizers Association
CISPI - Cast Iron Soil Pipe Institute
CRSI - Concrete Reinforcing Steel Institute
CTIOA - Ceramic Tile Institute of America
FCIA - Firestop Contractors International Association
GA - Gypsum Association
NECA - National Electrical Contractors Association
NEMA - National Electrical Manufacturers Association
PCA - Portland Cement Association
PDI - Plumbing & Drainage Institute
SFA - The Steel Framing Alliance
SMACNA - Sheet Metal and Air Conditioning Contractors' National Association
SSMA - Steel Stud Manufacturers Association