1. ABB Ltd.
2. Amphenol Corporation
3. Bals Elektrotechnik GmbH & Co. KG
4. C&S Electric Ltd.
5. Eaton Corporation
6. Emerson Electric Co.
7. Ferdinand Walther GmbH
8. Hubbell Incorporated
9. I.L.M.E. S.p.A.
10. Legrand
11. Leviton Manufacturing Co. Inc.
12. Marechal Electric Group
13. MENNEKES International
14. Palazzoli Group
15. PC Electric GesmbH
16. R&S International Holding AG
17. R. Stahl AG
18. Scame Group
19. Schneider Electric Industries SAS