1. Alstom SA
2. Basler Electric Company
3. Bender GmbH & Co. KG
4. CIRCUTOR S.A.
5. Eaton Corporation PLC
6. Fuji Electric Co. Ltd.
7. General Electric Company
8. Littelfuse Inc.
9. Mitsubishi Electric Corporation
10. Orion Italia s.r.l
11. Rockwell Automation Inc.
12. Schneider Electric SE
13. Siemens AG
14. TE Connectivity Ltd.
15. Toshiba Corporation