- Qualcomm Technologies Inc.
- Cisco System Inc.
- Telefonaktiebolaget LM Ericsson
- Huawei?Technologies Co. Ltd.
- EE?Limited (BT Group)
- ZTE Corporation
- Juniper Networks Inc.
- Nokia Networks
- AT&T Inc.
- Hewlett Packard Enterprise Company
- SK Telecom Co. Ltd.
- NEC Corporation