1. ABB Ltd.
2. Acrel Co. Ltd.
3. ALLIED POWER SOLUTIONS
4. Bender GmbH & Co. KG
5. Blue Jay Technology Co. Ltd.
6. Cirprotec
S.L.
7. DEIF A/S
8. E. Dold & S?hne GmbH & Co. KG.
9. Eaton Corporation PLC
10. HAKEL spol. s r.o.
11. Hitachi
Ltd.
12. Kongter Test & Measurement Co. Limited
13. Legrand SA
14. Mitsubishi Electric Corporation
15. Omron Corporation
16. Ppo-Elektroniikka OY
17. Renesas Electronics Corporation
18. Schneider Electric SE
19. SELCO USA Inc.
20. Sensata Technologies Inc.
21. Siemens AG
22. Texas Instruments Incorporated
23. Trafox by Muuntos?hk? Oy
24. Viper Innovations Ltd.