A sports diver training agency, teaching via the club principle, with more than 400 schools and 55,000 members in over 50 countries.

Commercial diver training organization and partnered with colleges, government, and international companies. CDG offers commercial diver training, consultancy, and R and D.

Dive Rescue International 28 certification levels in SCUBA rescue, recovery and underwater investigation to law enforcement, fire rescue, SAR and EMS personnel, since 1977.

The National Association of Cave Divers web page. Includes up and coming news, training requirements, and special projects.

A certifying agency which follows the philosophy that the actual job of teaching students lies in the hands of the instructor, not the training agency. Instructors teach each course in the manner that best accomplishes competent training and produces safe divers.

The largest and most recognized diving organization around the world with courses ranging from Snorkeling to Course Director.

An international training and certification agency with instructors and training facilities located worldwide.

The Governing Body for the sport of scuba diving in Scotland. Established in 1953 and proud holder of one of the best safety records in amateur diving.

As one of the fastest growing training organization in the industry, SSI has gained acceptance across the world with levels of training from your very first snorkeling experience all the way through Master Instructor.