- Austria: Hutchison Drei, T-Mobile, A1 Telekom
- Belgium: Proximus, Telenet – BASE, Telenet Group BVBA/SPRL, Orange
- Bulgaria: Vivacom, Mobiltel, Tele4Gr
- Croatia: Croatian Telecom, A1
- Cypress: MTN, Cyta Vodafone
- Czech Republic: Vodafone, T-Mobile, O2
- Denmark: TDC Mobil, Hutchison 3G, Telia, Tele4Gr
- Estonia: Tele2, Telia Eesti
- Faroe Islands: Faroese Telecom
- Finland: Alands, Elisa, TeliaSonera, DNA
- France: Bouygues, SFR, Orange, Digicel
- Germany: Telefonica, Vodafone, Telekom
- Gibraltar: Gibtel
- Greece: WIND, Vodafone, Cosmote
- Guadeloupe: Orange
- Hungary: Vodafone, Telekom, Tele4Gr
| - Iceland: Viking Wireless, Vodafone, Siminn
- Ireland: Three, Vodafone, Eir
- Italy: Wind Tre, H3G, TIM, Vodafone
- Latvia: Tele2, LMT
- Liechtenstein: Salt AG
- Lithuania: Bite, Tele2, Telia
- Luxembourg: Tango, POST, Orange
- Malta: Go Mobile, Epic, Melita
- Poland: T-Mobile, Orange, P4, Polkomtel
- Portugal: Vodafone, 4GS, MEO
- Romania: RCS & RDS, Vodafone, Telekom Romania, Orange
- Slovakia: Slovak Telekom, Orange, O2, T-2
- Slovenia: Telemach d.o.o., SI.MOBIL, Telekom Slovenije
- Spain: Vodafone, Orange, Movistar, Xfera (Yoigo)
- Sweden: Hutchison 3G, Tele2, Telia, Tele4Gr
- Turkey: Vodafone
- United Kingdom: Sky UK Limited, Three, Vodafone, Telefonica, Manx Telecom, EE, Jersey Telecoms, Sure
|