The IADRS is a non-profit organization for rescue & recovery SCUBA divers. Members receive SEARCHLINES, a bi-monthly magazine for water rescue professionals.

The HDS aims to protect and preserve diving heritage. Everything about historical divers, diving history, underwater technology, inventions and submarine engineering.

SMART Divers was organized to assist public service agencies and organizations with underwater search, recovery, and crime scene investigations.

The sanctioning body for underwater sports in the United States, is active in issues affecting divers right to dive, marine ecology, safety, legislation, conservation and serves to provide education and information that keep divers, councils, and clubs aware of the issues affecting them.

Represents companies whose mission is to promote and help provide growth within recreational diving. Includes news, calendar of events, and information on membership.

A non-profit scuba diving and dive safety association providing expert medical advice for underwater injuries, emergency information, research, and products.

A non-Profit group composed of diving scientists who are dedicated to the establishment and maintenance of standards for scientific diving.

Providing Para Medic Training for Commercial and Recreational Scuba Instructors. HSE/IMCA training standards for Commercial Diving. HSE (UK) medical required for ALL programmes. Courses offered are DMT-Basic, DMT-Intermediate, DMT-Para Medic, Hyperbaric Chamber Operations and Emergency Diving Accident Management.

American & Canadian Underwater Certifications

Official website of the CDAA. Information on training, dive sites, site maps, news, instructors, products and photographs.

Offers a complete scuba diving guide to The Islands of The Bahamas.

The certifying body for commercial divers working in the Canadian Offshore oil and gas industry.

Official distributor for NAUI products and services in Canada including non-leadership certifications.

Advises three UK diving organizations - BSAC, SAA and SSAC on medical issues including fitness to dive. Includes medical standards, referees, research reviews, and contact information.

The Controlling Body of Underwater Hockey in the United Kingdom.

Scuba club run by Delta Air Lines employees. Dive discussions and club dives are regular events. Associate memberships available for non-Delta employees.

US centric, organization for deep sea divers, commercial and military, retired and active.

Promotes safety and cooperation among local dive operators. Includes Code of Safety Requirement and Standards.

Promotes safety and cooperation among dive boat charter operators on the east coast with the majority of members located in New York and New Jersey. Includes membership, member vessel descriptions, and directions.

Dive team which provides assistance in the recovery of persons or evidence in the Great Lakes region especially in environments beyond recreational diving limits. Includes description of training, FAQ, and photographs.

A non-profit environmental organization dedicated to ocean conservation with large stock photo archive.

Fundraising charity for disabled diving training. Includes on-line store, members, sponsors, and humor.

Includes information on local dive centers, dive sites, and travel inforamation.

An organization of dentists who enjoy the activity. Features information on the group, newsletter, photos and contacts.

A Commonwealth Government not-for-profit diver training and accreditation scheme, for occupational divers.