There are different types of working divers, each demanding different skills and competencies. These include:

Inland/Inshore Diving, for example, in support of civili engineering or marine-related projects and aquaculture, including the Port Lincoln Tuna Farm Industry.

Offshore Diving in support of the offshore oil and gas industries. Usually it is contract based and seasonal.

Scientific and Archaeological Diving in support of scientific research and education, and archaeological investigation of sites of historical interest.

Media Diving in support of film or TV productions which require divers to work as stunt performers, journalists, presenters, photographers, camera operators, sound and lighting technicians and unit crews.

Police and Armed Forces. These divers are specialists who are generaly chosen from personnel already in the service.