1. ABB Ltd.
2. ACUPWR
3. Ashley Edison International Ltd
4. Contrl Technologies FZE
5. Eaton Corporation PLC
6. EREMU
S.A.
7. Gelco Electronics Pvt. Ltd.
8. General Electric Company
9. Maschinenfabrik Reinhausen GmbH
10. REO-USA Inc.
11. Schneider Electric SE
12. Servomax Limited
13. Shakti Electronics
14. Siemens AG
15. STATRON AG
16. TSI Power Corporation
17. Utility Systems Technologies
18. V-Guard Industries Ltd.
19. Voltas Limited
20. Watford Control Instruments Ltd.