| ABC Divers
Offering basic, open water diver, advanced, underwater and EFR courses. Includes dive locations, newsletter, articles, photos and contact information. Located on Koh Samui. |
| Absolut Wreck
Dive shop, located South of Hua Hin, offers PADI and DAN dive courses and family friendly accommodation. |
| Aladdin Dive Cruise
Company arranges trips aboard their vessel, the Flying Carpet, to Surin and Similan. |
| Andaman Scuba
Phuket - scuba diving live-aboard cruises, day trips and courses. |
| Ao Nang Divers
PADI 5 Star dive center, in Ao Nang. Dive shop, courses and cruises. |
| Aqua Vision Dive Center
Scuba diving and dive courses in Phuket. |
| Aquanauts Dive Centre
PADI and ANDI (Nitrox) certified dive courses, and instructor training internships. Diving and snorkeling trips to the reefs and wrecks near the Pattaya resort area. |
| Asia Divers
Koh Tao, Thailand scuba diving resort and training center. Profiles courses, instructor training, and accommodation at the Gold Palm Resort. |
| Ban's Diving Resort
All-inclusive dive-resort on Koh Tao. |
| Barakuda Dive Center
5 Star PADI Dive Center, under German management, Phi Phi. |
