ACGIH (American Conference of Governmental Industrial Hygienists)AIHA American Industrial Hygiene AssociationASSE American Society of Safety EngineersIBHS Institute for Business and Home SafetyIIHS Insurance Institute for Highway SafetyNFPA National Fire Protection AssociationNSC National Safety Council
ANSI American National Standards InstituteGlobal Engineering Documents (index and vendor for most standards)UL Underwriters Laboratories