Inland Scuba Inc. - Based in Idaho Falls, offering various levels of instruction, an online events calendar, and newsletter, along with equipment rental rates. - http://www.srv.net/~inscuba/
Dive Magic - PADI 5 Star Instructor Development Center with instruction from beginner through professional levels, vacation travel opportunities, class schedules, rates and descriptions, technical diving information, along with driving directions and hours of operatio - http://www.divemagic.com/