| Rank | Logo | Company | Market Cap | Country |
|---|---|---|---|---|
| 1 | Plug Power | $3.34 B | USA | |
| 2 | Doosan Fuel Cell | $2.20 B | S. Korea | |
| 3 | Ceres Power | $0.89 B | UK | |
| 4 | Ballard Power Systems | $0.74 B | Canada | |
| 5 | SFC Energy AG | $0.28 B | Germany | |
| 6 | AFC Energy | $0.16 B | UK | |
| 7 | Enapter AG | $48.85 M | Germany | |
| 8 | Advent Technologies | $3.02 M | USA |




