1. AeroDesignWorks GmbH
2. Bharat Forge Ltd.
3. BRP-Rotax GmbH & Co KG
4. Collins Aerospace by Raytheon Technologies Corporation
5. Elliott Group by Ebara Corporation
6. Exxon Mobil Corporation
7. General Electric Company
8. Hawk Turbine AB
9. HIRTH ENGINES GMBH
10. Honeywell International Inc.
11. IHI Corporation
12. Ingenieurb?ro CAT
M. Zipperer GmbH
13. Jets Munt S.L.
14. Kratos Defense & Security Solutions Inc.
15. MDS Aero Support Corporation
16. Micro Turbine Technology BV
17. MTU Aero Engines AG
18. PBS Group. A.s.
19. Rolls-Royce PLC
20. Safran S.A.
21. Shell Group
22. Siemens AG
23. Stuttgart Engineering Propulsion Technologies
24. TurbAero
25. Turbotech SAS