1. Air Company
2. Cemvita Factory Inc.
3. Climeworks AG
4. Elcogen AS
5. Engie SA
6. ENSEK Ltd
7. Evonik Industries AG
8. Fujitsu Limited by Furukawa Group
9. H2U Technologies Inc.
10. Horiba
Ltd.
11. HySolChem
12. Idemitsu Kosan Co. Ltd.
13. JX Metals Corporation
14. Mitsubishi Chemical Group Corporation
15. Mitsui Chemicals Inc.
16. Nanjing Tengyu ElectroChemical Technology Co. Ltd.
17. Nippon Steel Corporation
18. Nydalen Group AS
19. Panasonic Holdings Corporation
20. PorphyChem SAS
21. Provectus Algae Pty Ltd.
22. Shimadzu Corporation
23. Siemens AG
24. SunHydrogen Inc.
25. Synhelion SA
26. ThinkRaw
27. Toshiba Corporation
28. Toyo Engineering Corporation
29. Toyota CRDL Inc.
30. Twelve Benefit Corporation