1. ABB Ltd
2. Alfanar Group
3. General Electric Company
4. Hitachi Energy Ltd
5. Iljin
6. LS Cable & System Ltd
7. Mitsubishi Electric Corporation
8. Nexans
9. NKT A/S
10. Prysmian Group
11. Siemens AG
12. Sumitomo Electric Industries
13. Taihan Cable & Solution Co. Ltd.
14. Toshiba Corporation
15. ZTT Gupta Power Infrastructure