Maintenance, Repair and Overhaul (MRO):
- Aircraft Maintenance and Engineering Corporation (AMECO)
- Air France Industries
- Air New Zealand Engineering Serives (ANZES)
- Avborne
- AvCraft Aviation
- Boeing Commercial Aviation Services
- Dallas Airmotive
- Delta TechOps
- Evergreen Aviation Technologies Corporation (EGAT)
- Fokker Services
- GE Engine Services
- GKN Aerospace: Repair and Overhaul
- Goodrich Aviation Technical Services
- Guangzhou Aircraft Maintenance and Engineering Co. Ltd (GAMECO)
- Honeywell Aviation Aftermarket Services
- Hong Kong Aero Engine Services Limited (HAESL)
- Hong Kong Aircraft Engineering Company (HAECO)
- Industria de Turbo Propulsores, S.A. (ITP)
- Industria Turborreactores (ITR)
- Israel Aircraft Industries (IAI)
- International Engine Component Overhaul Pte Ltd
- Landmark Aviation
- Lockheed Martin
- Lufthansa-Technik
- Magellan Aerospace Corporation: Repair, Overhaul & Industrial
- Messier Services
- Middle River Aircraft Systems
- MTU Aero Engines
- Pemco Aviation Group
- Rolls-Royce: Repair & Overhaul
- Pratt & Whitney Services
- SIA Engineering Company
- Sigma Aerospace
- Singapore Aero Engine Services Pte Ltd (SAESL)
- Singapore Technologies Aerospace
- Snecma Services
- SR Technics
- Techspace-Aero
- Texas Aero Engine Services LLC (TAESL)
- TIMCO Aviation Services Inc.
- Triumph Group
- Volvo Aero
