1. Airbus SE
2. Aloft Technologies Inc.
3. Guangzhou EHang Intelligent Technology Co. Ltd
4. HOVER Inc.
5. Joby Aviation
6. Karem Aircraft
7. LIFT Aircraft Inc.
8. Lilium
9. Scienex
10. Skydrive Inc
11. Tecnalia
12. The Boeing Company
13. Urban Aeronautics
14. Volocopter GmbH
15. Xeriant Inc.