China Mobile Limited
China Telecom Corporation Limited
Reliance Jio Infocomm Ltd
Bharti Airtel Limited
China Unicom (Hong Kong) Limited
Vodafone Group Plc
Orange SA
Mobile Telesystems PJSC
Public Joint-Stock Co MegaFon
SFR SA
Bouygues Telecom SA
Iliad SA
Deutsche Telekom AG
Telefonica Germany GmbH & Co OHG
1&1 A.G.
TIM S.p.A.
Wind Tre Spa
NTT DOCOMO Inc
KDDI Corporation
SoftBank Group Corp
Rakuten Group Inc
Telstra Group Limited
Singtel Optus Pty Ltd
TPG Telecom Ltd
Rogers Communications Inc.
BCE Inc.
TELUS Corporation
Freedom Mobile Inc
Koninklijke KPN N.V.
T-Mobile Netherlands Holding B.V.
VodafoneZiggo Group BV
Lebara Group
Telefonica
S.A.
Masmovil Ibercom SA
VMED O2 UK Ltd
BT Group plc
Hutchison 3G UK Limited
AT&T Inc
Verizon Communications Inc.
T-Mobile US Inc.
United States Cellular Corp