Oi S.A.
Sakura Information Systems Co Ltd
T-Mobile Netherlands Holding B.V.
AT&T Inc
Telenor Objects AS
Bharat Sanchar Nigam Ltd
Bharti Airtel Limited
Telefonica Brasil SA
Bouygues Telecom SA
BT Group plc
Charter Communications Inc.
Cell C (Pty) Ltd
Singtel Optus Pty Ltd
China Mobile Communications Group Co. Ltd
Telenor ASA
Telus Quebec
CNCB (Hong Kong) Investment Co. Ltd.
Deutsche Telekom AG
DNA Oyj
Elisa Oyj
freenet AG
Virgin Mobile USA
L.P.
Iliad S.A.
Indosat Ooredoo
Telecom Italia S.p.A.
KT Corporation
America Movil
SA DE C.V.
Vodafone Hutchison Australia Pty Ltd
LG HelloVision
LG Uplus Corp
M1 Ltd
Mobile Telesystems
TeliaSonera Norge AS
MTN Group Limited
Internet Initiative Japan Inc
Orange SA
PT Telekomunikasi Indonesia
Tbk
Prixtel
PT Smartfren Telecom
Tbk.
PT XL Axiata Tbk
Public Joint-Stock Company MegaFon
Beeline Russia
Reliance Jio Infocomm Ltd
Tele2 Nederland BV
KDDI Corporation
SFR SA
Singapore Telecommunications Ltd
Shaw Communications Inc
SK Telecom Co. Ltd.
Masmovil Ibercom SA
NTT DOCOMO Inc
VodafoneZiggo Group BV
Telstra Corporation Limited
StarHub Ltd
Tata Teleservices Limited
Tele2 AB
Turk Telekomunikasyon AS
Lebara Group
Poste Italiane Group
Telia Denmark
China Telecom Corporation Limited
Telefonica Europe plc
Telefonica Germany GmbH & Co OHG
Boost Mobile LLC
Telefonica
S.A.
Turkcell Iletisim Hizmetleri AS
T-Mobile US Inc.
Telia Company AB
Hutchison 3G UK Limited
Verizon Communications Inc.
Telkom SA SOC Limited
Videotron Ltd
amaysim Australia Ltd
Virgin Group Ltd.
Rogers Communications Inc.
TPG Telecom Ltd
Tesco Mobile Limited
Telefonica UK Limited
United Internet AG
Sprint Corporation
Claro SA
SoftBank Group Corp
Vodacom Group Limited
CK Hutchison Holdings Ltd
Lebara Mobile Ltd
Vodafone GmbH
Vodafone Group Plc
BCE Inc.
Vodafone Idea Ltd
Royal KPN NV