1. At&T Inc
2. Aviat Networks Inc
3. Bridgewave Communications Inc
4. Broadcom Inc
5. Brocade Communications Systems Inc (Acquired By Broadcom)
6. Ceragon Networks Ltd
7. Cisco Systems Inc
8. Fujitsu Limited
9. Huawei Technologies Co Ltd
10. Nec Corporation
11. Nokia Corporation
12. Telefonaktiebolaget Lm Ericsson
13. Verizon Communications Inc
14. Zte Corporation