Apple Inc.
AT&T Inc.
China United Network Communications Group
Cisco Systems Inc.
Google LLC
Huawei Technologies Co. Ltd.
Intel Corporation
LG Corporation
MediaTek Inc.
Nippon Telegraph and Telephone Corporation
Nokia Corporation
Samsung Electronics Co. Ltd.
SK Telecom
Sony Corporation
T-Mobile US Inc.
Telefonaktiebolaget LM Ericsson
Verizon Communications Inc.
ZTE Corporation