http://www.aiha.org American Industrial Health Association
http://www.acgih.org American Government Association of Industrial Health Professionals
http://www.apha.org American Public Health Association
http://www.ccosh.ca Canadian Center for Occupational Health and Safety
http://www.dol.gov US Department of Labor
http://osha.europa.eu European Occupational Safety and Health Agency
http://www.has.gov.uk UK Health and Safety Office
http://www.iso.ch International Organization for Standardization
http://www.cdc.gov/niosh National Institute of Occupational Safety and Health
http://www.cdc.gov/niosh/ipcsneng/nengsyn.html National Institute of Occupational Safety and Health / International Chemical Safety Scheme
http://www.ilo.org International Labor Organization
http://www.osha.gov General Department of Occupational Safety and Health
http://www.who.int World Health Organization
http://www.nfpa.org National Agency for Fire Protection
http://www.siri.org Union of Security Information Resources
ww.asa.aip.org American Acoustic Association
www.hfes.org Association of Human Factors and Ergonomics
www.iosh.co.uk British Institute for Occupational Safety and Health
www.worldsafety.org World Safety Organization