America Movil SAB de CV
Zayo Group Holdings, Inc.
VEON Ltd.
Liberty Broadband Corp.
BT Group Plc
GTT Communications, Inc.
Qwest Corp.
TURKCELL Iletisim Hizmetleri AS
pdvWireless, Inc.
CenturyLink, Inc.
Telecom Italia SpA
Qwest Corp.
Frontier Communications Corp.
Internet Gold-Golden Lines Ltd.
Telefonica Brasil SA
Telecom Argentina SA
Qwest Corp.
Vonage Holdings Corp.
Mobile TeleSystems PJSC
Alaska Communications Systems Group, Inc.
Qwest Corp.
TELUS Corp.
Telephone & Data Systems, Inc.
T-Mobile US, Inc.
Intelsat SA
CounterPath Corp.
United States Cellular Corp.
Verizon Communications, Inc.
TIM Participações SA
Rogers Communications, Inc.
China Mobile Ltd.
GCI Liberty, Inc.
Fusion Connect, Inc.
Consolidated Communications Holdings, Inc.
Iridium Communications, Inc.
IDT Corp.
Chunghwa Telecom Co. Ltd.
PT Telekomunikasi Indonesia Tbk
Globalstar, Inc.
PLDT, Inc.
