Austria
- Mobilkom Austria AG
- Hutchison Drei Austria GmbH
Belgium
- Kumpulan Telenet SPRL
- Orange Belgium nv/sa
- Proximus-- Societe Anonyme de Droit Public (mudah alih)
Bulgaria
- Mobiltel EAD
- Telenor Bulgaria EAD
Croatia
- Vipnet
Cyprus
- MTN Cyprus
- Pihak Berkuasa Telekomunikasi Cyprus
Republik Czech
- Vodafone Republik Czech-- sebagai
- O2 Republik Czech sebagai
Denmark
- Telia Danmark
- TDC A/S
- Hi3G
Estonia
- Elisa Eesti AS
- Estonia EMT
- Tele2 Eesti AS
Finland
- Telia Carrier Finland Oy
- Elisa Oyj
- Alands Telekommunikasi Ab
Perancis
- Societe Francaise du Radiotelephone -SFR sa
Guiana Perancis
- Outremer Telekom
Jerman
- Telefonica Germany GmbH & Co. OHG
- Vodafone GmbH
Gibraltar
- Gibtelecom Ltd.
Greece
- Wind Hellas Telecommunications sa
- Vodafone Panafon Telecommunications Comp SA
Hungary
- Vodafone
- Pannon GSM
Iceland
- Siminn hf.
- Syn hf
Ireland
- Hutchison 3G Ireland Ltd
- Vodafone Ireland Ltd.
Itali
- Wind Tre SpA
- Vodafone Italia SpA
Latvia
- Latvijas Mobilais Telefons
- SIA Tele2
Liechtenstein
- Mobilkom
Lithuania
- Tele2 UAB
- Telia Lietuva AB
Luxembourg
- Tango SA
- POST Luxembourg
- Maklumat Syarikat Nama Syarikat Orange Communications Luxembourg SA
Malta
- Vodafone Malta Ltd.
- GO MOBILE Communication
Belanda
- Vodafone Libertel BV
- KPN Mudah Alih BV
Norway
- TeliaSonera Norge AS
Poland
- Polkomtel SP. Z OO
- Oren Polska SA
Portugal
- Vodafone Portugal-- Comunicacoes Pessoais SA
- MEO - Servicos de Comunicacoes e Multimedia-- SA
Reunion
- Societe Reunionnaise du Radiote l telefon
Romania
- Jingga Romania SA
- RCS & RDS SA
- Vodafone Romania SA
Slovakia
- O2 Slovakia-- sro
- Oren Slovensko
Slovenia
- A1 Slovenija dd
- Mobile
Sepanyol
- Xfera Moviles-- SA
- Vodafone Espana SAU
- Oren Espagne SAU
- Telefonica de Espana SAU
Sweden
- Telia Sonera Mobile Networks AB
- Tele2 Sverige AB XX1149
- Hi3G Access AB
Switzerland
- Sunrise Communications AG
- Salt Mobile SA
United Kingdom
- Hutchison 3G UK Ltd
- Telefonica UK Limited.
- Vodafone Ltd.