AIDA InternationalW
AIDA International

Association Internationale pour le Développement de l'Apnée (AIDA) is a worldwide rule- and record-keeping body for competitive breath holding events, also known as freediving. It sets standards for safety, comparability of Official World Record attempts and freedive education. AIDA International is the parent organization for national clubs of the same name.

American Canadian Underwater CertificationsW
American Canadian Underwater Certifications

ACUC, American and Canadian Underwater Certifications Inc. is an international recreational diving membership and diver training organization. Formerly known as the Association of Canadian Underwater Councils, it was formed as a not for profit collective of regional dive councils to create a national forum for their common interest and concerns. It soon began developing a training curriculum better suited to the Canadian conditions that many other training agencies neglected. It was later incorporated in 1986 in Canada by Robert Cronkwright. Cronkwright was a National Association of Underwater Instructors (NAUI) instructor from 1969 to 1971. In 1971 he crossed over to the Association of Canadian Underwater Councils and became a Training Director, Secretary/Treasurer and later Vice President of the Association (1972–1984). He was also Training Director for the Ontario Underwater Council (OUC) in the 1970s.

American Nitrox Divers InternationalW
American Nitrox Divers International

American Nitrox Divers International was founded by Ed Betts and Dick Rutkowski in 1988.

British Sub-Aqua ClubW
British Sub-Aqua Club

The British Sub-Aqua Club or BSAC has been recognised since 1954 by UK Sport as the national governing body of recreational diving in the United Kingdom.

BSAC London BranchW
BSAC London Branch

The BSAC London Branch is the original branch No.1 of the British Sub-Aqua Club. The branch continues as an active, member driven club to train and undertake scuba diving within the UK and around the world. The branch is currently located in the basement of the Seymour Leisure Centre in Marylebone, central London. The branch meets weekly at 7pm on Tuesdays and retires to the Harcourt Arms nearby after training or playing Octopush in the swimming pool.

Cave Diving GroupW
Cave Diving Group

The Cave Diving Group (CDG) is a United Kingdom-based diver training organisation specialising in cave diving.

Confédération Mondiale des Activités SubaquatiquesW
Confédération Mondiale des Activités Subaquatiques

Confédération Mondiale des Activités Subaquatiques (CMAS) is an international federation that represents underwater activities in underwater sport and underwater sciences, and oversees an international system of recreational snorkel and scuba diver training and recognition. It is also known by its English name, the World Underwater Federation, and its Spanish name, Confederación Mundial De Actividades Subacuáticas. Its foundation in Monaco during January 1959 makes it one of the world's oldest underwater diving organisations.

DeepspotW
Deepspot

Deepspot is a swimming pool and Scuba diving training center, located in Mszczonów, Poland near Warsaw. It held the record for being the deepest swimming pool in the world until June 2021, when the 60-metre (200 ft) Deep Dive Dubai was opened.

Defence Diving SchoolW
Defence Diving School

The Defence Diving School is a diver training centre in Hampshire, run by the Royal Navy.

Diver certificationW
Diver certification

A Diving certification or C-card is a document recognizing that an individual or organization authorized to do so, "certifies" that the bearer has completed a course of training as required by the agency issuing the card. This is assumed to represent a defined level of skill and knowledge in underwater diving. Divers carry a qualification record or certification card which may be required to prove their qualifications when booking a dive trip, hiring scuba equipment, filling diving cylinders or in the case of professional divers, seeking employment.

Recreational diver trainingW
Recreational diver training

Recreational diver training is the process of developing knowledge and understanding of the basic principles, and the skills and procedures for the use of scuba equipment so that the diver is able to dive for recreational purposes with acceptable risk using the type of equipment and in similar conditions to those experienced during training.

Divers Institute of TechnologyW
Divers Institute of Technology

Divers Institute of Technology (DIT) is a private, for-profit educational institution for the training of commercial divers and located in Seattle, Washington. Founded in 1968 in Seattle, Washington, Divers Institute of Technology is located on the North end of Lake Union near Gas Works Park in the Wallingford district.

European Underwater FederationW
European Underwater Federation

The European Underwater Federation (EUF) is an umbrella organisation representing the interests of scuba diver training organisations operating in both the not for profit and for profit sectors within Europe.

Federazione Italiana Attività SubacqueeW
Federazione Italiana Attività Subacquee

The Federazione Italiana Attività Subacquee (FIAS) is an Italian non-profit diver training organization. It is member of:CMAS EUF CIAS.

Global Underwater ExplorersW
Global Underwater Explorers

Global Underwater Explorers (GUE) is a scuba diving organization that provides education within recreational, technical, and cave diving. It is a nonprofit membership organization based in High Springs, Florida, United States.

International Association of Nitrox and Technical DiversW
International Association of Nitrox and Technical Divers

The International Association of Nitrox and Technical Divers (IANTD) is a scuba diving organization concerned with certification and training in recreational diving, technical diving, cave diving, wreck diving, rebreather diving and diver leadership. Formed in 1985, it pioneered the introduction of Enriched Air Nitrox diving to the recreational diving community. The European Association of Technical Divers (EATD) became part of IANTD in 1993.

International Diving Educators AssociationW
International Diving Educators Association

The International Diving Educators Association or (IDEA) was founded in 1952 as the Florida Skin Divers Association (FSDA) Scuba Training Committee, and later changed its name to the Florida Scuba Divers Association. Then, in February 1976 the FSDA Scuba Training Committee members voted to create the International Diving Educators Association, based on the principles of the FSDA to make the organization an international Scuba diving certification agency.

International Diving InstituteW
International Diving Institute

The International Diving Institute (IDI) is a private, for-profit technical school in North Charleston, South Carolina. Originally a scuba diving shop called East Coast Dive Connection (ECDC), the school was founded in 2004 when it offered advanced dive training, especially in the use of surface supplied air, underwater welding, rigging and hyperbaric chamber operation, leading to a certification required for commercial divers working on oil platforms in the offshore oil industry and for diving operations in the United States that are regulated by the Occupational Safety and Health Administration.

Israeli Diving FederationW
Israeli Diving Federation

Israeli Diving Federation (TIDF) is a non-governmental SCUBA diving training organization based in Israel.

National Academy of Scuba EducatorsW
National Academy of Scuba Educators

The National Academy of Scuba Educators, also known as NASE Worldwide, is a recreational scuba training organization which was founded in Texas during 1982. In February 2011 NASE re-launched its image and developed new standards and practices. NASE's training program consists of three streams - recreational scuba diving, technical and professional diving in the recreational field. NASE operates in Colombia, Chile, South Korea, Russia and the United States of America. It has a program of resort and dive center recognition with businesses recognised in the following countries - Barbados, Canada, Fiji, Honduras, Malaysia, and the Turks and Caicos Islands.

National Diving and Activity CentreW
National Diving and Activity Centre

The National Diving and Activity Centre is a large flooded quarry at Tidenham, Gloucestershire, England, near to the border with Wales at Chepstow. It was formerly Dayhouse Quarry, a source of limestone, which was flooded in 1996. The diving centre opened in 2003.

Professional Association of Diving InstructorsW
Professional Association of Diving Instructors

The Professional Association of Diving Instructors (PADI) is a recreational diving membership and diver training organization founded in 1966 by John Cronin and Ralph Erickson. Cronin was originally a NAUI instructor who decided to form his own organization with Erickson, and to break diver training down into several modular courses instead of the single universal course then prevalent.

Professional Diving Instructors CorporationW
Professional Diving Instructors Corporation

The Professional Diving Instructors Corporation (PDIC) is an international SCUBA training and certification agency. It has an estimated 5 million active recreational divers.

Rebreather Association of International DiversW
Rebreather Association of International Divers

The Rebreather Association of International Divers (RAID) is a dive training organization which was founded in 2007 by Barry Coleman to support diver training for the Poseidon Mk VI Discovery Rebreather. It has since extended its scope to include open circuit scuba training and training for both recreational and technical diving sectors as well as snorkeling and freediving.

Scottish Sub Aqua ClubW
Scottish Sub Aqua Club

The Scottish Sub Aqua Club (ScotSAC) was founded in Glasgow in 1953. Today it is a company limited by guarantee with nearly 70 branches and 1200 members. ScotSAC instructors provide scuba diving training to branch members on an amateur basis. It is recognised by sportscotland as the National Governing Body for Sub Aqua in Scotland.

Scuba Diving InternationalW
Scuba Diving International

Scuba Diving International (SDI) is a Scuba training and certification agency. It is the recreational arm of Technical Diving International, a technical diver training organization.

Stoney CoveW
Stoney Cove

Stoney Cove is a large flooded quarry which is a popular inland scuba diving site, located between Stoney Stanton and Sapcote in Leicestershire, England.

Technical Diving InternationalW
Technical Diving International

Technical Diving International (TDI) claims to be the largest technical diving certification agency in the world, and one of the first agencies to offer mixed gas and rebreather training. TDI specializes in more advanced Scuba diving techniques, particularly diving with rebreathers and use of breathing gases such as trimix and heliox.

Underwater Escape Training UnitW
Underwater Escape Training Unit

The Underwater Escape Training Unit is a military training centre for survival at sea in Somerset; the site is mainly for helicopter aircrew.

United Diving InstructorsW
United Diving Instructors

The United Diving Instructors (UDI) is the diver training organization founded in 1983 by Z. Fisher and H. G. Golzing in California, United States.

Western Norway University of Applied SciencesW
Western Norway University of Applied Sciences

Western Norway University of Applied Sciences or HVL is a Norwegian public institution of higher education, established in January 2017 through the merging of formerly independent colleges across five campuses: Bergen, Førde, Haugesund, Sogndal and Stord. Its oldest programs - teacher education in Stord - can be traced to 1839. The total number of students at HVL is about 16000, and there are 1800 academic and administrative staff. Its main campus is in the Kronstad neighborhood of Bergen, Norway.

YMCA SCUBA ProgramW
YMCA SCUBA Program

YMCA SCUBA Program was an underwater diving training program operated by YMCA of the USA from 1959 to 2008. It was the first nationally organised underwater diving instruction program offered in the United States of America. A program with a similar content is now delivered by Scuba Educators International, an organisation founded by a group of former senior YMCA SCUBA instructors in 2008.

File:European Underwater Federation (logo).pngW
File:European Underwater Federation (logo).png