Novaray Underwater ROV
Underwater ROV (Remotely Operated Vehicle) Operates in high currents - maritime search and rescue, maritime port and ship security, underwater treasure salvage. All in one underwater rov
http://www.novaray.com

Lubell Labs Inc.
Lubell Labs offers underwater speakers, underwater loudspeakers, underwater acoustic transducers, diver recall systems, synchronized swimming sound systems, amplifiers, analog and digital recorders, wired and wireless microphones, sound reproduction equipment, and complete air and underwater sound systems.
http://www.lubell.com/

Firetec Apparatus Sales
Used fire apparatus dealer with online catalog of available units.
http://www.firetec.com

American LaFrance Used Apparatus
Buying and selling late model used fire apparatus and equipment.
http://www.efiretrucks.net

American Fire Apparatus, Inc.
New and used firefighting apparatus. East Jordan, Michigan, United States.
http://www.americanfireapparatus.com/

Simon Fraser University
Underwater Research Laboratory (URL). Specializes in underwater studies in the areas of acoustics, sonar, autonomous underwater vehicles, column surveys, signal processing and target detection. Page lists projects and personnel.
http://www.ensc.sfu.ca/research/url/

Sub Sea Sonics
Underwater acoustic release, underwater timed release, manufactured by Sub Sea Sonics for the marine industry.
http://www.subseasonics.com/

Carrillo Underwater Systems
Manufactures underwater lights, cameras, and diver "squak boxes". Specializes in low voltage underwater video, helmets, and navigation lights for commercial and recreational divers.
http://www.carrillounderwater.com/

Daedalon
Apparatus for teaching physics in high school and college. Company is the exclusive United States dealer for PHYWE Systeme, the largest manufacturer of educational scientific apparatus in Germany.
http://www.daedalon.com/

Commercial Diving Academy
The Commercial Diving Academy prepares you for work as a Diver, Underwater Welder and Dive Medic. Train in Underwater Construction, Search & Recovery, Non-Destructive Testing, Inland Diving, ROVs
http://www.commercialdivingacademy.com/