AT&T Inc
Comcast Business Communications LLC
Deutsche Telekom AG
China Mobile Communications Corporation
China Telecom Corporation Limited
NTT DOCOMO Inc
SoftBank Corp
Vodafone Group Plc
Orange SA
Telefonica
S.A.
Elisa Oyj
DNA Oyj
Telia Company AB
PT Finnet Indonesia
SFR SA
Iliad SA
Bouygues Telecom SA
Vodafone GmbH
Telefonica Germany GmbH & Co OHG
United Internet AG
Reliance Jio Infocomm Ltd
Bharti Airtel Limited
Vodafone Idea Ltd
PT Telekomunikasi Selular
Indosat Ooredoo
PT XL Axiata Tbk
TIM SpA
Vodafone Italia Spa
Wind Tre Spa
KDDI Corporation
America Movil
SA DE C.V.
Axtel
S.A.B. de C.V.
Lebara Group
Koninklijke KPN N.V.
T-Mobile Netherlands Holding B.V.
BCE Inc.
Telenor Objects AS
TeliaSonera Norge AS
Teleperformance SE
Nokia Corporation
Mobile Telesystems PJSC
Public Joint-Stock Co MegaFon
Rostelecom
Singapore Telecommunications Ltd
StarHub Ltd
M1 Ltd
Vodacom Group Limited
MTN Group Limited
Cell C (Pty) Ltd
Telkom SA SOC Limited
SK Telecom Co. Ltd.
KT Corporation
LG Uplus Corp
MASMOVIL Group
Orange Espagne SAU
Movistar
Hi3G Access AB
Tele2 AB
Telenor ASA
Turkcell Iletisim Hizmetleri AS
Vodafone Telekomunikasyon A.S.
Turk Telekomunikasyon AS
BT Group plc
VMED O2 UK Ltd
Vodafone UK
Ltd.
Verizon Communications Inc.
T-Mobile US Inc.
Telstra Group Limited
Singtel Optus Pty Ltd
TPG Telecom Ltd
Telefonica Brasil SA
TIM S.p.A.
Rogers Communications Inc.
TELUS Corporation
China United Network Communications Ltd
TDC Holding A/S
Telia Denmark