Newport Diving Center
- A full service PADI 5 Star scuba diving center offering PADI and TDI instruction as well as charters. Includes description of classes and trips.
- http://www.newportdivingcenter.com/

Dive Club of Rhode Island
- Promotes diving by sponsoring local dives in Rhode Island, out-of-state trips, and non-dive activities. Includes newsletter, dive schedule, activities, and meeting schedule.
- http://diveclubri.org/

East Bay Dive Center
- Find details on instruction, dive travel, business hours, contact information, photo gallery.
- http://www.eastbaydivecenter.com

Snappa Charters
- Diving and fishing charter operator. Includes requirements, liability forms, rates, reservations, and newsletters.
- http://www.snappacharters.com/

Thunderfish
- Charter operator specializing in wreck diving, shark cage diving, monster fishing, and videography. Includes videos, list of wreck sites, and directions.
- http://www.ziplink.net/~thunder/

United Divers
- Retail dive store with locations in Providence and Somerville, Massachusetts. Training from beginner through instructor level. Equipment, class descriptions and schedules, travel and events.
- http://www.uniteddivers.com

Narragansett Pier Dive Shop
- Full service dive store. Includes instruction, services, dive equipment and kayak rentals, and charters.
- http://pierdive.com/

Ninigret Divers LLC.
- Charter operator running out of Charlestown, close to many wrecks in Block Island Sound. PADI certification and specialty instruction available.
- http://www.ninigretdivers.com/