Vodacom Group Limited
MTN Group Limited
Telkom SA SOC Limited
Econet Wireless Zimbabwe Ltd
Telefonica Brasil SA
America Movil
SA DE C.V.
TIM Brazil S.A.
China Mobile Communications Group Co. Ltd
China Unicom (Hong Kong) Limited
China Telecom Corporation Limited
Bharti Airtel Limited
Reliance Jio Infocomm Ltd
Bharat Sanchar Nigam Ltd
Mahanagar Telephone Nigam Ltd
Telefonica
S.A.
AT&T Inc
Verizon Communications Inc.