American Industrial Hygiene Association.  Career involves evaluation and control of workplace environmental factors that may effect the health, safety, or productivity of workers.

American Society of Safety Engineers.  Career profile page with information on college and university programs.

Association of Schools of Public Health. Public health professionals monitor the health of a community and build public policy that will help ensure health. This site offers a detailed look at the profession, schools of public health, professional accreditation of programs, and career options as well as providing links to other resources.

Human Factors and Ergonomics Society.  Studies interactions between human beings, devices, and systems in order to improve ease of use, safety, and effectiveness.