1. ABB Ltd.
2. American Superconductor Corporation
3. Atandra Energy Private Limited
4. Cnc Electric Group Co.Ltd.
5. DEHN SE
6. Eaton Corporation PLC
7. General Electric Company
8. Hitachi Energy Ltd.
9. Maschinenfabrik Reinhausen GmbH
10. Mitsubishi Electric Corporation
11. NR Electric Co. Ltd.
12. Nuoyi Electric Co. Ltd.
13. P2 Power Solutions Pvt. Ltd.
14. Panasonic Holdings Corporation
15. Rockwell Automation Inc.
16. S&C Electric Company
17. Sanhe Power Tech (Shenzhen) Co. Ltd.
18. Schneider Electric
19. Shandong Hoteam Electric Co. Ltd.
20. Siemens AG
21. Sonnen GmbH
22. Suzhou Lingfran Electric Co. Ltd.
23. Toshiba Corporation
24. Wanzheng Power Group Co. Ltd.
25. Wenzhou Modern Group Co. Ltd.
26. Zigor Corporation SA