Northern Ohio Divers -
 Ridgeville based NAUI facility with information on instruction, equipment rentals and contact details.
http://www.northernohiodiving.com/

Ohio Council of Skin and Scuba Divers, Inc. -
 Listing of clubs, organizations, and individual divers, with membership details, events, legislation, contacts and local diving conditions.
http://www.ocssdi.org

Ohio Scuba -
 Private PADI certification and training for all levels. Contact information and driving directions are available.
http://www.ohioscuba.com

Portage Quarry Recreation Club -
 Contact information, hours of operation, entrance fees, an aerial map, an underwater map, and driving directions of this Bowling Green area dive site. PADI Instruction available.
http://www.portagequarry.com

Sand-n-Sea Scuba Diving Center -
Offers PADI instruction, along with equipment sales, service and rental, as well as vacation travel. Driving directions, and hours of operation are listed.
http://www.sand-n-sea.com

Scuba Shack -
 Dive center serving greater Cincinnati. Includes hours, a list of classes and prices, upcoming dive trips, calendar of events and the Scuba Rangers Kids Club.
http://www.ScubaShack.biz/

Scuba Unlimited -
 Included are details on instruction, including fees, organized dive vacations, staff biographies, driving directions, and hours of operation.
http://www.2dive4.com/

Sea Level Scuba -
 Full-service dive shop offering classes from open water diver through trimix, gear and travel. Includes hours and contact details. Located in Bend, Medford, Portland, Oregon.
http://www.sealevelscuba.net