International standards, accreditation and quality assurance organisations.

• CMAS - Confédération Mondiale des Activités Subaquatiques

• EUF - European Underwater Federation^.

• IDSA – International Diving Schools Association

• IDSSC - International Diving Safety Standards Commission

• IMCA – International Marine Contractors Association

• RTC - Rebreather Training Council

• ADCI - Association of Diving Contractors International

• WRSTC - World Recreational Scuba Training Council