1. Accedian Networks Inc.
2. Anritsu Corporation
3. Asian Contec Ltd
4. Beijing Xinertel Technology Co. Ltd.
5. EXFO Inc.
6. Fluke Corporation
7. GAO Group Inc.
8. GL Communications Inc.
9. IDEAL INDUSTRIES Inc.
10. Ixia
11. Keysight Technologies Inc.
12. Marvell Technology Inc.
13. NetScout Systems Inc.
14. NWS
15. Rohde & Schwarz Benelux B.V.
16. Sifos Technologies Inc.
17. Silvertel
18. Spirent Communications plc
19. TE Connectivity Ltd.
20. Tektronix
21. Teledyne Technologies Inc.
22. VeEX Inc.
23. Viavi Solutions Inc.
24. Xena Networks ApS
25. Yokogawa Electric Corp.