Diver's Supply Indy West -
 Included are hours of operation, contact information, map and driving directions, along with local dive site locations, online guestbook, photo gallery, and PADI, NAUI, TDI instruction.
http://www.dsiwdeep.com

Diving Den -
 Kokomo dive center with information on instruction, travel, and details on diving at France Park.
http://www.diving-den.com/

Hart City Scuba -
Elkhart center with instruction, travel and hours of operation.
http://www.hartcityscuba.com/

Lawrence County Scuba Divers -
 Full service PADI dive center in Bedford.
http://www.blueriver.net/~scuba

N'Pursuit Adventure Charters - Provides charter service to shipwrecks in Indiana and Chicago area, along with fishing excursions. Find information on location, driving directions, contact details, FAQs on diving amd fishing trips, and trip planning tips and links.
http://www.npursuitcharters.com

Scuba Quest -
Fishers dive center with details on PADI instruction and a calendar of classes and trips.
http://www.scubaquest.com/

The Scuba Tank -
 PADI center located in Valparaiso, with information on instruction and travel, hours of operation and contact details.
http://www.scubatank.com/

Seaweed Diver -
A PADI shop describing class schedules, trips, rental prices, and services.
http://seaweeddiver.com/