1. ABB Ltd.
2. Amazon Web Services Inc.
3. American Superconductor Corporation
4. Beijing Power Equipment Group Co. Limited
5. Bharat Heavy Electricals Limited
6. Clariant Power System Limited
7. Comsys Holdings Corporation
8. Freqcon GmbH
9. General Electric Company
10. Hyosung Heavy Industries
11. Infineon Technologies AG
12. Ingeteam Power Technology
S.A.
13. JEMA Energy S.A.
14. Merus Power Plc
15. Mitsubishi Electric Corporation
16. NR Electric Co. Ltd.