v t e Diver organisations
Freediver Federations	AIDA International (AIDA) AIDA Hellas British Freediving Association (BFA) Confédération Mondiale des Activités Subaquatiques (CMAS)
Recreational and technical scuba	British Sub-Aqua Club (BSAC) Cave Divers Association of Australia (CDAA) Cave Diving Group (CDG) Comhairle Fo-Thuinn (CFT) Confédération Mondiale des Activités Subaquatiques (CMAS) Federación Española de Actividades Subacuáticas (FEDAS) Fédération Française d'Études et de Sports Sous-Marins (FFESSM) International Association for Handicapped Divers (IAHD) Woodville Karst Plain Project (WKPP)
Scientific, archaeological and historical	Nautical Archaeology Society (NAS) Save Ontario Shipwrecks (SOS) Sea Research Society
Sports federations	Australian Underwater Federation (AUF) British Octopush Association (BOA) British Underwater Sports Association (BUSA) Federación Española de Actividades Subacuáticas (FEDAS) Fédération Française d'Études et de Sports Sous-Marins (FFESSM) South African Underwater Sports Federation (SAUSF) Türkiye Sualtı Sporları Federasyonu (TSSF) Underwater Society of America (USOA)
Related and uncategorised	Artificial Reef Society of British Columbia (ARSBC) CMAS Europe Divers Alert Network (DAN) Green Fins Naval Air Command Sub Aqua Club

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