1. Amphenol Corporation
2. Carlisle Interconnect Technologies
3. Collins Aerospace
4. CommScope Inc.
5. Corning Incorporated
6. Fiberoptics Technology Incorporated
7. Finolex Cables Limited
8. Fujikura Ltd
9. Furukawa Electric Co. Ltd
10. Hengtong Group Co. Ltd.
11. Hitachi Cable
Ltd.
12. II-VI Incorporated
13. Lapp Group
14. Leoni AG by WEINERT Industries AG
15. LS Cable & System Pty Ltd.
16. Nestor Cables Ltd. by Clearfield Inc.
17. Nexans SA
18. Optical Cable Corporation
19. Proterial Cable America Inc.
20. Prysmian Group
21. Radiall SA
22. Sterlite Technologies Limited
23. Sumitomo Electric Industries
Ltd.
24. TE Connectivity Corporation
25. W. L. Gore & Associates
Inc
26. Yangtze Optical Fiber and Cable Joint Stock Ltd Co.