1. AISIN CORPORATION
2. Alma Clean Power
3. AVL group
4. Ballard Power Systems Inc.
5. Bloom Energy Corporation by Duke Energy corporation
6. Ceres Power Holdings plc
7. Convion Ltd.
8. Cummins Inc.
9. Doosan Fuel Cell Co. Ltd.
10. E&KOA Co.
11. Edge Autonomy
12. Elcogen AS
13. FuelCell Energy Inc.
14. h2e Power Systems Pvt. Ltd.
15. KYOCERA Corporation
16. Mitsubishi Heavy Industries
Ltd.
17. Nexceris
18. Nissan Motor Co. Ltd.
19. OxEon Energy
LLC.
20. Phillips 66 Company
21. Precision Combustion Inc.
22. Robert Bosch GmbH
23. Rolls-Royce plc
24. Shell International B.V.
25. Siemens AG
26. SolydEra SpA
27. Special Power Sources LLC
28. Storagenergy Technologies Inc.
29. Sunfire Fuel Cells GmbH
30. Upstart Power Inc.
31. Watt Fuel Cell Corporation
32. ZTEK Corporation Inc.