1. VideoRay. http://www.videoray.com
2. Seabotix. http://www.seabotix.com
3. SAAB. http://www.seaeye.com
4. Australian National University. http://users.cecs.anu.edu.au/~rsl/sub/2-Systems/Submersibles.html
5. Woods Hole Oceanographic Institution. http://www.whoi.edu/page.do?pid=8423