1. Barnes Group Inc.
2. CFM international
3. General Electric Company
4. Honeywell International Inc.
5. IAE International Aero Engines AG
6. IHI Corporation
7. JSC Klimov by United Engine Corporation
8. Lockwood Aero Independent Service Center of ROTAX
9. MTU Aero Engines AG
10. Raytheon Technologies Corporation
11. Rolls-Royce PLC
12. Safran Group
13. Textron Systems Corporation
14. UEC-Aviadvigatel
15. Williams International Co. L.L.C