AT&T INC.
Verizon Communications Inc.
NTT Docomo Inc.
Orange
Vodafone Group PLC
Telefonaktiebolaget LM Ericsson
Cisco Systems Inc.
Nokia
Huawei Technologies Co. Ltd.
Samsung Electronics Co. Ltd.
Intel Corporation
Qualcomm Technologies Inc.
MediaTek Inc.
Huawei Technologies Co. Ltd.
Samsung Electronics Co. Ltd.