Code and Standards Organizations and Professional Associations

Air Movement and Control Association International (AMCA)
American Conference of Governmental Industrial Hygienists (ACGIH®)
American National Standards Institute (ANSI)
American Petroleum Institute (API)
American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE)
American Society of Mechanical Engineers (ASME)
American Society for Testing and Materials (ASTM)
Canadian Standards Association (CSA)
National Fire Protection Association (NFPA)
National Institute of Standards and Technology (NIST)
North American Association of Food Equipment Manufacturers (NAFEM)
Occupational Safety and Health Administration (OSHA)
U.S. Department of Energy (DOE)
Underwriters Laboratories (UL)
Underwriters Laboratories Canada (ULC)