Rogers Communications Inc.
BCE Inc.
TELUS Corporation
Orange SA
SFR SA
Iliad SA
Bouygues Telecom SA
Vodafone GmbH
Deutsche Telekom AG
Telefonica Germany GmbH & Co OHG
United Internet AG
TIM SpA
Vodafone Italia Spa
Wind Tre Spa
NTT DOCOMO Inc
KDDI Corporation
SoftBank Corp
Mobile Telesystems PJSC
Public Joint-Stock Co MegaFon
Rostelecom
BT Group plc
VMED O2 UK Ltd
Vodafone UK
Ltd.
AT&T Inc
Verizon Communications Inc.
T-Mobile US Inc.
Comcast Business Communications LLC