The following links you will find of interest:

The Diving Equipment and Marketing Association, the leading trade association geared toward the scuba diving industry
 

DAN (Diver’s Alert Network): A nonprofit organization, exists to provide expert information and advice for the benefit of the diving public. DAN's historical and primary function is to provide emergency medical advice and assistance for underwater diving injuries, to work to prevent injuries and to promote diving safety.

Our World Underwater (OW-U): The largest continuous running diving show in North America. We are very proud of our progress over the last 32 years.  Today Our World-Underwater remains dedicated to presenting the latest and most exciting information on international travel and SCUBA diving. Boasting over 200 exhibitors, the 2003 show is expected to have over 12,000 in attendance.

Professional Association of Diving Instructors: is the world’s largest recreational diving membership           organization. The membership includes dive businesses, resort facilities, academic institutions, instructor         trainers, dive educators, divers, snorkelers and other watersports enthusiasts. Professional PADI Members     (dive centers, resorts, educational facilities, instructors, assistant instructors and divemasters) teach the vast    majority of the world’s recreational divers, issuing nearly 946,000 certifications each year. PADI Professionals       make underwater exploration and adventure accessible to the public while maintaining the highest industry         standards for dive training, safety and customer service.

Scuba Diving International - (SDI) - The SDI Open Water Scuba Diver Course is an entry-level certification course lasting 5 weeks and is designed to give you the necessary skills to safely conduct open water dives. Some of the many skills you will learn include buoyancy, proper weighting, marine conservation, equipment assembly, proper dive planning, and maintenance.

A new underwater training facility for archaeology called Artifact Park was constructed and completed at Haigh Quarry, Kankakee, Illinois. This full-size training facility, along with a four-part training program entitled the Underwater Archaeology Diver Program, was designed to educate and certify recreational scuba divers on the proper methods and techniques of underwater survey work.

Dive Zero Interactive Online Magazine.