1. Alstom SA
2. AMETEK Inc.
3. API Capacitors Ltd
4. Condis Group
5. Eaton Corporation plc
6. Electronicon Kondensatoren GmbH
7. General Atomics Electromagnetic Systems
8. General Electric Company
9. Hitachi Energy Ltd.
10. HVP High Voltage Products GmbH
11. INTERNATIONAL CAPACITORS
S.A.U.
12. Isofarad Ltd.
13. Kunshan Guoli Electronic Technology Co. Ltd.
14. Kyocera Corporation
15. Next Gen Equipments Pvt. Ltd.
16. Samwha Capacitor Co. Ltd.
17. Shanghai Yongming Electronic Co. Ltd.
18. Siemens AG
19. Sieyuan Electric Co. Ltd.
20. TDK Corporation
21. Vishay Intertechnology Inc.
22. Wuxi Cre New Energy Technology Co. Ltd.