1&1 A.G.
Algar Telecom SA
America Movil
SA DE C.V.
AT&T Inc
BCE Inc.
Beeline Russia
Bharti Airtel Limited
Bodega Aurrera Internet y Telefonia (BAIT)
Bouygues Telecom SA
BT Group plc
Cell C (Pty) Ltd
China Mobile Limited
China Telecom Corporation Limited
China Unicom (Hong Kong) Limited
Claro SA
Deutsche Telekom AG
DNA Oyj
Elisa Oyj
Hutchison 3G UK Limited
Iliad SA
KDDI Corporation
Koninklijke KPN N.V.
KT Corporation
Lebara Group
LG Uplus Corp
M1 Ltd
Masmovil Ibercom SA
Mobile Telesystems PJSC
MTN Group Limited
NTT DOCOMO Inc
Orange SA
PT Indosat Ooredoo Hutchison Tbk
PT Smartfren Telecom Tbk
PT Telekomunikasi Selular
PT XL Axiata Tbk
Public Joint-Stock Co MegaFon
Rakuten Mobile Inc
Reliance Jio Infocomm Ltd
Rogers Communications Inc.
SFR SA
Singtel Optus Pty Ltd
SK Telecom Co. Ltd.
SoftBank Group Corp
StarHub Ltd
TDC Holding A/S
Tele2 AB
Tele2 Russia International Cellular BV
Telefonica Brasil SA
Telefonica Germany GmbH & Co OHG
Telefonica
S.A.
Telenor ASA
Telia Company AB
Telkom SA SOC Limited
Telstra Group Ltd
TELUS Corporation
TIM S.p.A.
TIM SpA
T-Mobile Netherlands Holding B.V.
T-Mobile US Inc.
TPG Telecom Ltd
Turk Telekomunikasyon AS
Turkcell Iletisim Hizmetleri AS
United States Cellular Corp
Verizon Communications Inc.
Videotron Ltd
VMED O2 UK Ltd
Vocus Group Ltd
Vodacom Group Limited
Vodafone Group Plc
Vodafone Spain SAU
Vodafone Telekomunikasyon A.S.
Vodafone UK
Ltd.
VodafoneZiggo Group BV
Wind Tre Spa