- ADS Group Ltd
- Advanced Electronics Co. Ltd
- Airbus Operations GmbH
- Airbus Defence & Space
- Airbus Group
- Airbus Helicopters
- ASD
- ASD-STAN
- AVIO AERO
- BAE Systems
- BDLI
- CQFD Aero Consulting
- Dassault Aviation
- EAQG
- Elbit Systems Ltd.
- ESTEC
- FACC
- Fokker
- German Aerospace Industries Ass.
- GIFAS
- GKN Aerospace
- IAQG OASIS
- Industria De Turbo Propulsores S.A.
- Israel Aerospace Industries Ltd.
- Leonardo Company
- MDBA
- Meggitt Plc.
- Messier Bugatty Dowty
- Motor Sich
- MTU Aero Engines AG
- PFW Aerospace GmbH
- Rafael
- Rolls-Royce Plc.
- Russian Helicopters
- SAAB
- SAFRAN
- SAGEM
- SNECMA
- SONACA
- TEDAE
- Thales
- TURBOMECA
- Turkis Aerospace Ind.
- UAC Russia
- ZODIAC Aerospace
