American Academy of Certified Hazardous Materials Managers - http://www.achmm.org/

American Association of Occupational Health Nurses - http://www.aaohn.org/

American Conference Governmental Industrial Hygienists - http://www.acgih.org

American Industrial Hygiene Association - http://www.aiha.org

American National Standards Institute - http://www.ansi.org

American Society of Heating Refrigeration and Air-Conditioning Engineers - http://www.ashrae.org

American Society of Safety Engineers - http://www.asse.org

American Society of Safety Engineers - Business of Safety Website - http://www.asse.org/businessofsafety.html

American Society of Mechanical Engineers - http://www.asme.org

American Society of Testing and Materials - http://www.astm.org

Association of Occupational Health Nurse Practitioners (UK) - http://www.aohnp.co.uk

Board of Certified Safety Professionals - http://www.bcsp.org/

British Occupational Hygiene Society - http://www.bohs.org

Bureau of Labor Statistics - http://www.bls.gov

Canadian Centre for Occupational Health and Safety - http://www.ccohs.ca/

Canadian Society of Safety Engineering - http://www.csse.org

Centers for Disease Control - http://www.cdc.gov

Chartered Institute of Environmental Health - http://www.cieh.org

U.S. Chemical Safety and Hazard Investigation Board - http://www.csb.gov

U.S. Chemical Safety - http://www.chemsafety.gov

Department of Energy - http://www.doe.gov

U.S. Department of Labor - http://www.dol.gov

U.S. Department of Transportation - http://www.dot.gov

U.S. Environmental Protection Agency - http://www.epa.gov

Ergonomics Society - http://www.ergonomics.org.uk

U.S.-EU Cooperation on Workplace Safety and Health - http://www.useuosh.org/

European Agency for Safety and Health at Work - http://europe.osha.eu.int/

European Agency for Safety and Health at Work - Global Information Portal - http://global.osha.eu.int/

European Network of Safety and Health Professional Organisations - http://www.enshpo.org

European Occupational Safety and Health Manager (EurOSHM) - http://www.euroshm.org

Faculty of Occupational Medicine - http://www.facoccmed.ac.uk

U.S. Federal Aviation Administration - http://www.faa.gov

Human Factors and Ergonomics Society - http://www.hfes.org/

Industrial Foundation for Accident Prevention - http://www.ifap.asn.au

Institute of Risk Management - http://www.theirm.org

International Institute of Risk and Safety Management - http://www.iirsm.org

International Labor Organization - http://www.ilo.org

International Labor Organization, Safety and Health at Work and the Environment - http://www.ilo.org/public/english/protection/safework/

Institution of Occupational Safety & Health Management - http://ioshm.intnet.mu

Institution of Occupational Safety and Health - http://www.iosh.co.uk

Institution of Occupational Safety and Health - ISG Country Links - http://www.iosh.co.uk/isglinks

U.S. Mine Safety and Health Administration - http://www.msha.org

National Examination Board in Occupational Safety and Health (NEBOSH) - http://www.nebosh.org.uk

National Fire Protection Association - http://www.nfpa.org

National Institute for Occupational Safety and Health - http://www.niosh.gov

National Society of Professional Engineers - http://www.nspe.org/

National Transportation Safety Board - http://www.ntsb.gov

New Zealand Institute of Safety Management - http://www.nzism.co.nz

Occupational Health and Safety Research Institute - http://www.irsst.qc.ca/en/home.html

U.S. Occupational Safety and Health Administration - http://www.osha.gov

Organizational Resource Counselors - http://www.orc.org

Risk and Insurance Management Society - http://www.rims.org

Royal College of Nursing - http://www.rcn.org.uk

Royal Environmental Health Institute of Scotland - http://www.rehis.org

Royal Society of Chemistry - http://www.rsc.org

Royal Society for the Promotion of Health - http://www.rsph.org

Safety Institute of Australia - http://www.sia.org.au

Safety and Reliability Society - http://www.sars.org.uk

Singapore Institution of Safety Officers - http://www.siso.org.sg

Society of Fire Protection Engineers - http://www.sfpe.org/

Society of Occupational Medicine - http://www.som.org.uk

Systems Safety Society - http://www.system-safety.org/

World Health Organization - http://www.who.org