China Mobile Communications Group Co. Ltd
Vodafone Group Plc
Bharti Airtel Limited
CNCB (Hong Kong) Investment Co. Ltd.
Reliance Jio Infocomm Ltd
SK Telecom Co. Ltd.
Vodafone Idea Ltd
Mobile Telesystems
Public Joint-Stock Company MegaFon
Telefonica Europe plc
Bouygues Telecom SA
Orange SA
Prixtel
SFR SA
Deutsche Telekom AG
freenet AG
Telefonica Germany GmbH & Co OHG
United Internet AG
Vodafone GmbH
Iliad S.A.
Poste Italiane Group
Telecom Italia S.p.A.
Internet Initiative Japan Inc
KDDI Corporation
NTT DOCOMO Inc
Sakura Information Systems Co Ltd
SoftBank Group Corp
amaysim Australia Ltd
Boost Mobile LLC
Singtel Optus Pty Ltd
Telstra Corporation Limited
Vodafone Hutchison Australia Pty Ltd
BCE Inc.
Rogers Communications Inc.
Shaw Communications Inc
Telus Quebec
Videotron Ltd
China Telecom Corporation Limited
Lebara Group
Royal KPN NV
Tele2 Nederland BV
T-Mobile Netherlands Holding B.V.
VodafoneZiggo Group BV
Masmovil Ibercom SA
Telefonica
S.A.
Vodacom Group Limited
BT Group plc
Hutchison 3G UK Limited
Lebara Mobile Ltd
Telefonica UK Limited
Tesco Mobile Limited
AT&T Inc
Charter Communications Inc.
Sprint Corporation
T-Mobile US Inc.
Verizon Communications Inc.
Virgin Mobile USA
L.P.