1. Tesla Inc.
2. LG Chem Ltd.
3. Samsung SDI Co. Ltd.
4. BYD Company Limited
5. Panasonic Corporation
6. ABB Ltd.
7. Saft Groupe S.A.
8. General Electric Company
9. Siemens AG
10. Hitachi
Ltd.
11. Toshiba Corporation
12. NEC Corporation
13. EnerSys
14. Kokam Co. Ltd