1. Advent Technologies
2. Airbus SE
3. Australian Fuel Cells Pty Ltd.
4. Cummins Inc.
5. Doosan Corporation
6. ElringKlinger AG
7. FFC Inc.
8. H3 Dynamics Holdings Pte. Ltd.
9. Honeywell International Inc.
10. HyPoint Inc. by ZeroAvia Inc.
11. Plug Power Inc.
12. Safran S.A.
13. The Boeing Company
14. United Fuel Cells Corporation