Training

In 1998, the demands for creation of a Sport Diving Division of TDI could no longer be held back. It early introduced new standards that other agencies included in their programs.
SDI/TDI/ERDI are viewed as one of the most professional and progressive certification agencies.

With its beginning in 1994, the group including TDI forms one of the largest certification agencies in the world, with offices in more than 100 countries.
The agency focused early on specialized trainings, now called Technical Diving.
SDI/TDI/ERDI are viewed as one of the most professional and progressive certification agencies.

More specialized training in Public Safety was provided in 2000 by the leading diving agency.
ERDI continues to be the only training program supported by a major certification agency catering exclusively to public safety diving.

Organization found in 1966 with courses ranging from entry level to advanced recreational diver certification, and various technical diving courses.
PADI established the Master Scuba Diver Rank, industry's first non-instructional rating, and introduced the PADI Rescue Diver course.
In 1989, PADI founded Project AWARE.

One of the fastest-growing international CPR, AED and first aid training organization, backed by 48 years of experience in the development and delivery of instructional courses, traning materials and educational curricula.

At the cutting edge of diver training for more than 30 years, with the first nitrox course in the world, IANTD has been setting standards since the very beginning.
All programs equip a diver with skills and knowledge to become safe, responsible, self-sufficient divers.

Established in 1959 on demand by the major world countries, it consists of three major committees: sport, technical, scientific.
Its courses tend to reflect the full range of diving standards, and not geared towards holiday and tropical water diving.