American Conference of Industrial Hygienists (ACGIH), your industrial hygiene, environmental, occupational health and safety resource that advances worker health and safety and offers books, conferences, and education and training courses.
ASSE - The American Society of Safety Engineers is the leading authority on safety, health and the environment, with more than 30,000 members throughout the world.
Professional organization working to improve the practice and educational standards of the industrial hygiene profession through an accredited certification system. Includes program details, code of ethics, and related information.
Home page of The National Institute for Occupational Safety and Health (NIOSH) - Providing National and World Leadership to Prevent Work-Related Illnesses and Injuries.
The National Safety Council is a membership organization with resources on safety, health and environmental topics, training, products, publications, news, and more.
The Canadian Centre for Occupational Health and Safety (CCOHS) promotes a safe and healthy working environment by providing occupational health and safety information and advice.