ACUC INTERNATIONAL
   American & Canadian Underwater Certifications
   http://www.acuc.es

American Academy of Underwater Sciences
   A non-Profit group composed of diving scientists who are dedicated to the establishment and maintenance of standards for scientific diving.
   http://www.aaus.org

Association of Tobago Dive Operators
   Includes information on local dive centers, dive sites, and travel inforamation.
   http://www.tobagoscubadiving.com

Australian Diver Accreditation Scheme (ADAS)
   A Commonwealth Government not-for-profit diver training and accreditation scheme, for occupational divers.
   http://www.adas.org.au

Bahamas Diving Association
   Offers a complete scuba diving guide to The Islands of The Bahamas.
   http://www.bahamasdiving.com

Blueventures Conservation
   UK-based not-for-profit organization, dedicated to facilitating projects that enhance global coral reef conservation and research, offering opportunities to volunteers. Includes news, expeditions, and contact information.
   http://www.blueventures.org

British Octopush Association
   The Controlling Body of Underwater Hockey in the United Kingdom.
   http://www.britishoctopush.org/

Cave Divers Association of Australia
   Official website of the CDAA. Information on training, dive sites, site maps, news, instructors, products and photographs.
   http://www.cavedivers.com.au

Cayman Islands Watersports Operators Association
   Promotes safety and cooperation among local dive operators. Includes Code of Safety Requirement and Standards.
   http://www.cayman.org/ciwoa/

DAN Divers Alert Network
   A non-profit scuba diving and dive safety association providing expert medical advice for underwater injuries, emergency information, research, and products.
   http://www.diversalertnetwork.org

DEMA - Diving Equipment & Marketing Association
   Represents companies whose mission is to promote and help provide growth within recreational diving. Includes news, calendar of events, and information on membership.
   http://www.dema.org

Delta Dive Club
   Scuba club run by Delta Air Lines employees. Dive discussions and club dives are regular events. Associate memberships available for non-Delta employees.
   http://www.gate1.net/deltadiveclub/

Diver Certification Board of Canada
   The certifying body for commercial divers working in the Canadian Offshore oil and gas industry.
   http://www.diverboard.ca

Divers Recall
   US centric, organization for deep sea divers, commercial and military, retired and active.
   http://diversrecall.org

Dizzy Divers
   Fundraising charity for disabled diving training. Includes on-line store, members, sponsors, and humor.
   http://www.dizzydivers.org

Eastern Dive Boat Association
   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.
   http://www.edba.com/

International Association of Dive Rescue Specialists
   The IADRS is a non-profit organization for rescue & recovery SCUBA divers. Members receive SEARCHLINES, a bi-monthly magazine for water rescue professionals.
   http://www.iadrs.org

Medical Training
   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 C
   http://www.divermedictraining.com

Midwest Technical Recovery Team
   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.
   http://www.mtrt.org

NAUI Services Canada
   Official distributor for NAUI products and services in Canada including non-leadership certifications.
   http://divemar.com/naui.html

Oceanic Research Group
   A non-profit environmental organization dedicated to ocean conservation with large stock photo archive.
   http://www.oceanicresearch.org/

Raising Aquatic Awareness in Youth with SCUBA
   The RAAYS Program educates children about the marine environment through SCUBA certification.
   http://www.raays.com

San Marcos Area Recovery Team
   SMART Divers was organized to assist public service agencies and organizations with underwater search, recovery, and crime scene investigations.
   http://www.smartdivers.com

Scuba Divers Federation of South Australia (SDF)
   SDF works to develop recreational SCUBA diving in South Australia and encourages the conservation and protection of the marine and freshwater environments.
   http://www.geocities.com/scubadiversfederation/

The Historical Diving Society
   The HDS aims to protect and preserve diving heritage. Everything about historical divers, diving history, underwater technology, inventions and submarine engineering.
   http://www.thehds.com/

UK Sport Diving Medical Committee
   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.
   http://www.uksdmc.co.uk

US Dental Diving Association
   An organization of dentists who enjoy the activity. Features information on the group, newsletter, photos and contacts.
   http://www.usdda.com

USOA - Underwater Society of America
   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 aw
   http://www.underwater-society.org

Underwater Explorers Club of Western Australia
   Features mission statement, contacts, photo album, and newsletter. Headquarters in Perth.
   http://www.space.net.au/~uec/