1. ACME CleanTech Ventures (UK) Private Limited
2. AmmPower
3. Avaada Energy Pvt. Ltd.
4. BASF SE
5. CF Industries Holdings Inc.
6. DEME NV
7. ENAEX S.A.
8. Eneus Energy Limited
9. ENGIE
10. Fortescue Future Industries
11. FuelPositive Corporation
12. Haldor Topsoes All? 1
13. Hive Energy Ltd.
14. Hy2gen AG
15. ITM Power PLC
16. Jupiter Ionics Pty Ltd
17. Maire Tecnimont SpA
18. MAN Energy Solutions SE
19. McPhy Energy S.A.
20. Merck KGaA
21. Nanjing Kapsom Engineering Limited
22. Nel ASA
23. Saudi Arabian Oil Co.
24. Siemens AG
25. Stamicarbon B.V.
26. Starfire Energy
27. ThyssenKrupp AG
28. Yara International ASA