?- Aero Engine Corporation Of China
- JSC UEC-Aviadvigatel
- Hindustan Aeronautics Limited
- Tata Advanced Systems Limited (Tata Sons Private Limited)
- Safran SA
- Pratt and Whitney (Raytheon Technologies Corporation)
- CFM International
- Ishikawajima Harima Heavy Industries Co. Limited
- Thompson Aero Seating Limited
- MTU Aero Engines AG
- GE Aviation (General Electric Company)
- Rolls-Royce PLC