A/W 95 Affordable Helicopter		Eurocopter		Masquito Aircraft
Aeros Helicopter		Eurocopter Canada		Montgomerie Autogyros
Agusta		EzyCopter		NH Industries
Advanced Rotorcraft		Groen Brothers Aviation		North American Rotorwerks
Air Command International		Gyrobee		PZL-Swidnik S.A.
American Eurocopter		Gyroplanes Inc.		Robinson Helicopter
Bell/Agusta Aerospace Company		Helicycle		Rotary Airforce
Bell Helicopter Textron		Hindustan Aeronautics		Rotor Flight Dynamics
Bensen		Indian Helicopters		Rotorlite Helicopters
Boeing		Kaman Aerospace		Rotorway Helicopter
Brantly International		Kamov		Schweizer Aircraft
Brock Autogyro		Kawasaki Heavy Industries		Sikorsky Aircraft
Canadian Home Rotors		Kazan Helicopters		Sport Copter
Carter Copters		Kulikov Aircraft Design		Ulan-Ude
Dragon Fly		McDonnell Douglas Helicopter		Ultrasport
Enstrom		Magni Gyro		Westland Helicopters