1. Anritsu Corporation
2. Artiza Networks Inc.
3. AT&T Inc.
4. EMITE Ingenier?a S.L.
5. EXFO Inc.
6. Infosys Limited
7. Intertek Group PLC
8. Keysight Technologies Inc.
9. KT Corporation
10. McGrath RentCorp Inc.
11. National Instruments Corporation
12. NTT Docomo Inc.
13. Rohde & Schwarz GmbH & Co KG
14. Sequans Communications SA
15. Siklu Communication Ltd.
16. Tektronix Inc.
17. Telefonaktiebolaget LM Ericsson
18. Teradyne Inc.
19. VIAVI Solutions Inc.