1. ABB Limited
2. AEG Power Solutions B.V.
3. Atlas Copco AB
4. Briggs & Stratton Corporation
5. Caterpillar Inc.
6. CyberPower Systems Inc.
7. Delta Electronics Inc.
8. Eaton Corporation PLC
9. Emerson Electric Co.
10. Exide Industries Limited
11. Generac Holdings Inc.
12. General Electric Company
13. GS Yuasa Corporation
14. HIMOINSA SL
15. Huawei Technologies Co. Ltd.
16. Kohler Co.
17. Legrand S.A.
18. Microtek International Pvt Ltd.
19. Mitsubishi Electric Corporation
20. Schneider Electric SE
21. SFC Energy AG
22. Siemens AG
23. Su-Kam Power Systems Ltd.
24. Tesla Inc.
25. Toshiba Corporation