Diving associations:
CMAS – Confederation Mondiale des Activites Subaquatiques
Diving schools:
AA – Apnea Academy
ANDI – American Nitrox Divers International
GUE – Global Underwater Explorers
IANTD – International Association of Nitrox and Technical Divers
NAUI – National Association of Underwater Instructors
PADI – Professional Association of Diving Instructors
PSS – Professional Scuba Schools
SSI – Scuba Schools International
TDI – Technical Divers International
TSA – Trimix Scuba Association
UDI – United Diving Instructors
Other:
SLOVENSKO MORJE – Portal Slovensko morje
DAN – Divers Alert Network – Europe
OXYNET – Hiperbarična terapija s kisikom in potapljaška medicina