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Australian Speleolgical Federation - Cave Diving Group (ASF-CDG)

The exploration of cave diving sites in remote areas using new diving techniques and equipment such as mixed gas, DPVs and rebreathers has necessitated improved co-ordination of individual efforts.

Cave Divers Association of Australia (CDAA)

The main aims and objectives of the CDAA are to foster the development, advancement, promotion, mapping, education, exploration, conservation, safety and research of underwater caves and related features.

Cave Diving Group of Great Britain (CDG)

Cave divers in the U.K. unlike other areas of the world, have usually been represented by cavers who wished to dive. In fact one of the prerequisites of membership is that all candidates must be known to be, or become experienced and responsible cavers. The Cave Diving Group also exists for the purpose of setting standards.

Global Underwater Explorers (GUE)

GUE emerged out of a shared desire to safely explore and protect the underwater world and to improve the quality of education and research in all things aquatic.

International Association of Nitrox & Technical Divers (IANTD)

Training organization of openwater, nitrox, enriched air, overhead environment, cave, wreck, rebreather etc.

National Association for Cave Diving (NACD)

The NACD was established in 1968 for the purpose of achieving safer cave diving in the United States through training and education.

National Speleological Society Cave Diving Section (NSS-CDS)

The NSS Cave Diving Section is the largest cave diving organization in the United States with members in almost every state.

Technical Diving International - Scuba Diving International Australia (TDI-SDI)

Cave Diving is regarded by many as one of the most challenging underwater environments possible. TDI trains divers with the skills & techniques needed to explore a vast array of caves, from the wide open tunnels in Australia's Nullarbor, to the delicate caves in NSW and cave sites all over the world.