TDI/SDI New Zealand
- Technical Diving International (TDI) and Scuba Diving International(SDI)regional office located in Auckland. Find mission statement, news, photos, information on training facilities, and contacts.
- http://www.tdisdi.co.nz

TDI/SDI Middle East & Russia
- Provides a full range of technical and recreational courses. Includes affliate dive centers, news and events, and contact information.
- http://tdi-middleeast.com/

Professional Scuba Inspectors.
- PSI offers worldwide training in Visual Cylinder Inspection and High Pressures Cylinder Safety. Includes class schedule, inspector notices, and supplies.
- http://www.psicylinders.com

ESA European Scuba Agency
- International diving training agency which provides programs, products and services to diving professionals. Includes description of certifications, recognitions, news, and contact information.
- http://www.esaweb.net

International Association for Handicapped Divers
- Diving association which provides the means for those with disabilities to become divers. Includes location of instructors and resorts, membership information, news, and a member forum.
- http://www.iahd.org

Global Underwater Explorers
- Organized to provide the diver with safety oriented diving programs with an emphasis on environmental protection and personal enjoyment.
- http://www.gue.com

HSA International
- The Handicapped Scuba Association is an independent training and certifying agency that specializes in recreational diving for people with disabilities.
- http://www.hsascuba.com/

CMAS - Confederation Mondiale des Activities Subaquatiques
- The World Underwater Federation. One of the oldest dive organisations in the world, and one that serves to coordinate standards among water sports and activities; including sub-diving, freediving and spearfishing.
- http://www.cmas2000.org/

National Association for Cave Diving
- Certifying Agency for Cavern and Cave Diving.
- http://www.safecavediving.com

NAPSD - National Association of Public Safety Divers
- A non-profit training organization with programs taught through an education network for the water recovery professional.
- http://www.napsd.com

SSAC - Scottish Sub Aqua Club
- The Governing Body for the sport of scuba diving in Scotland. Established in 1953 and proud holder of one of the best safety records in amateur diving.
- http://www.scotsac.com/

YMCA SCUBA
- The history of national dive training in the United States began with the development of the YMCA SCUBA Program. Throughout the history of sport diving, the YMCA has maintained unsurpassed standards.
- http://www.ymcascuba.org/

NAUI - National Association of Underwater Instructors
- In the forefront of the fight to make scuba divers more aware of the need for quality diving education and increased safety.
- http://www.naui.org/

IANTD - International Association of Nitrox and Technical Divers
- Enriched Air, Cave, Wreck, Rebreather, Trimix, Gas Blenders, Technical Scuba Divers, Instructors and Instructor Trainers.
- http://www.iantd.com/index1.html

DRI / Dive Rescue International
- Dive Rescue International 28 certification levels in SCUBA rescue, recovery and underwater investigation to law enforcement, fire rescue, SAR and EMS personnel, since 1977.
- http://www.diverescueintl.com

PDIC - Professional Diving Instructors Corporation
- An international training and certification agency with instructors and training facilities located worldwide.
- http://www.pdic-intl.com

SSI - Scuba Schools International
- As one of the fastest growing training organization in the industry, SSI has gained acceptance across the world with levels of training from your very first snorkeling experience all the way through Master Instructor.
- http://www.ssiusa.com/

SAA - The Sub-Aqua Association
- A club system to train people to dive and get the most out of the underwater world -We aim to provide news, information, entertainment about all aspects of the scuba diving industry. 
- http://www.saa.org.uk/

PADI - Professional Association of Diving Instructors
- The largest and most recognized diving organization around the world with courses ranging from Snorkeling to Course Director.
- http://www.padi.com/

BSAC - British Sub Aqua Club
- A sports diver training agency, teaching via the club principle, with more than 400 schools and 55,000 members in over 50 countries.
- http://www.bsac.com/