Airbus
Boeing (McDonnell Douglas)
BAE Systems
British Aircraft Corp
Canadair
Dassault
Embraer
Fokker
Gulfstream
ATR
Saab

ABEX (National Waterlift)
Arkwin
Chromalloy
Eaton (Vickers / Sterer)
Frisby
General Electric
Goodrich (Lucas / Menasco / Rohr)
Hamilton Sundstrand
Honeywell (AlliedSignal / Garrett / AirResearch)
Janitrol
MPC Products Corp
Parker Hannifin
Smiths Aerospace (Dowty)
Unison
Valcor
Whittaker