1. Ballard Power Systems Inc.
2. Bloom Energy Corporation
3. Ceres Power Holdings PLC
4. ClearEdge Power
Inc
5. Cummins Inc.
6. Doosan Corporation
7. FuelCell Energy Inc.
8. Kyocera Corporation
9. Nedstack Fuel Cell Technology B.V.
10. Nuvera Fuel Cells
LLC
11. Panasonic Corporation
12. Plug Power Inc.
13. SFC Energy AG
14. Toshiba Corporation