1. ABB Ltd.
2. Alstom SA
3. AVX Corporation
4. Cornell Dubilier Marketing Inc.
5. Eaton Corporation PLC
6. EEStor Corporation
7. Electronic-Bauteile G?rlitz GmbH
8. Maxwell Technologies Inc.
9. Megatone Electronics Corp.
10. Premier Farnell UK Limited
11. Samwha Capacitor Co Ltd.
12. Shenzhen Liron Electronics Co. Ltd.
13. Siemens AG
14. TDK Corporation
15. Xiamen Faratronic Co. Ltd.