Explorer Ventures 
Dedicated live-aboard dive vessels, the M/V Caribbean Explorer and M/V Nimrod Explorer. Offer diving lessons and vacations, in the Caribbean and Australia.
http://explorerventures.comPeter Hughes Diving
Dancer fleet live-aboards dive The Bahamas, Bali, Palau, Papua New Guinea, Turks and Caicos, Belize, Los Roques, and Galapagos Islands.
http://www.peterhughes.com
Aggressor Fleet Ltd.
Fleet of live-aboard dive boats operating throughout a number of destinations in the Caribbean, South America, South Pacific, Egypt, and Central America.
http://www.aggressor.com/index.php
