1. Agiltron Inc.
2. Black Box Corporation
3. Ciena Corporation
4. Cisco Systems Inc.
5. D-Link Corporation
6. DiCon Fiberoptics
Inc
7. EMCORE Corporation
8. EXFO Inc.
9. Fibertronics Inc.
10. Fujitsu Ltd.
11. Furukawa Electric Co. Ltd.
12. Honeywell International Inc.
13. Huawei Technologies Co. Ltd.
14. HUBER+SUHNER
15. Infinera Corporation
16. Juniper Networks Inc.
17. Keysight Technologies Inc.
18. NEC Corporation
19. NTT Advanced Technology Corporation
20. OMRON Corporation
21. Siemens AG
22. Telefonaktiebolaget LM Ericsson
23. WEINERT Industries AG
24. Yokogawa Electric Corporation
25. ZTE Corporation