1. A123 Systems LLC
2. Automotive Energy Supply Corporation
3. Battrion AG
4. GS Yuasa International Ltd.
5. Hitachi Chemical Co. Ltd.
6. Johnson Controls International PLC
7. LG Chem Ltd.
8. OXIS Energy Ltd.
9. Panasonic Corporation
10. PolyPlus
11. Samsung SDI Co. Ltd
12. Sion Power
13. Tesla Inc.
14. Toshiba Corporation