Primary agencies offering Technical Diving certifications and support to technical diving instructors.
IANTD - The International Association of Nitrox and Technical Divers
IANTD launched the world's first nitrox course, and now offer a complete range of training options from open water diver to Expedition Trimix, including cave and rebreather training.
PSAI - Professional Scuba Association International
Founded in the 1960s by Hal Watts, PSAI offers courses in all technical diving disciplines.
Technical Diving International (TDI)
Technical diver certification agency providing course descriptions on mixed gas diving, overhead environment and rebreathers.
Last update:April 13, 2016 at 7:24:07 UTC