1. Advent Technologies Holdings Inc.
2. AeroVironment Inc.
3. AFC Energy PLC
4. Airbus SE
5. Australian Fuel Cells Pty Ltd.
6. Ballard Power Systems Inc.
7. Bramble Energy Ltd.
8. Ceres Power Holdings PLC
9. Cummins Inc.
10. Doosan Fuel Cell Co. Ltd.
11. Edge Autonomy
12. GenCell Ltd.
13. General Motors Company
14. GKN Aerospace Services Limited
15. Honeywell International Inc.
16. Horizon Fuel Cell Technologies
17. Infinity Fuel Cell and Hydrogen Inc.
18. Intelligent Energy Limited
19. ITM Power PLC
20. Leonardo S.p.A.
21. Loop Energy Inc.
22. Nedstack Fuel Cell Technology BV
23. Nuvera Fuel Cells
LLC
24. Plug Power Inc.
25. Raytheon Technologies Corporation
26. Siemens AG
27. Snam S.p.A.
28. Thales Group
29. Toyota Motor Corporation
30. ZeroAvia Inc.