1. ABB Ltd.
2. AEG Power Solutions B.V.
3. AES Corporation
4. Corvus Energy Private Limited
5. East Penn Manufacturing Co. Inc.
6. Exergonix Inc.
7. General Electric Company
8. Hitachi
Ltd.
9. LG Chem Ltd.
10. NEC Corporation
11. Panasonic Corporation
12. Samsung SDI Co. Ltd.
13. Siemens AG
14. Tesla Inc.