Aerospace
BAE Systems
Bell Helicopter
Boeing
Bombardier
Dept. of Defense
EADS CASA
Embraer
Erickson Air-Crane
General Electric
Goodrich
Hamilton Sundstrand
Honeywell
HR Textron
Kidde Aerospace
Lockheed Martin
MD Helicopters
NASA
Northrop Grumman
Parker Hannifin
Sikorsky Aircraft
Westland Aerospace
as well as numerous additional prominent firms worldwide and foreign military organizations.
