- Physicians – health, chronic illnesses safety engineers and technicians – health and safety in the workplace the provision of advice relating to hazards from dangerous substances, equipment for personal protection, and other elements of a safe workplace. They need a special training.
- Chemical and process engineers focus on plant safety to ensure safe production processes, fire and explosion prevention. Some of these engineers are registered, as required by law. environmental engineers to ensure environmental safety such as the prevention of air and water pollution.
Authorities are also a critical part of the health and safety context because of the role they play in, flow and exchange of information.