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