1. ABB Ltd.
2. ALSTOM Holdings
3. Bharat Heavy Electricals Limited
4. CG Power & Industrial Solutions Ltd. by Murugappa Group
5. CHINT Group Co. Ltd.
6. Chung-Hsin Electric and Machinery Manufacturing Corp.
7. Eaton Corporation PLC
8. Fuji Electric Co. Ltd.
9. General Electric Company
10. Hitachi
Ltd.
11. Hyosung Heavy Industries
12. Hyundai Electric & Energy Systems Co. Ltd.
13. ILJIN Electric
14. Meidensha Corporation
15. Mitsubishi Electric Corporation
16. Nissin Electric Co. Ltd.
17. Powell Industries Inc.
18. Schneider Electric SE
19. SEL S.p.A.
20. Siemens AG
21. Sumitomo Electric Industries
Ltd.