1. Airbus SE
2. Ampaire Inc.
3. BAE Systems plc
4. Faradair Aerospace
5. Heart Aerospace
6. Horizon Aircraft Inc.
7. Hybrid Air Vehicles Limited
8. Lockheed Martin Corporation
9. Northrop Grumman Corporation
10. Raytheon Technologies Corporation
11. Rolls-Royce plc
12. Safran S.A.
13. Thales Group
14. The Boeing Company
15. Volta Volar? Inc.