| Austria |
A1 Telekom Austria AG, H3G |
| Belgium |
Proximus PLC, ORANGE Belgium nv/SA |
| Bulgaria |
vivacom (Bulgarian Telecommunications Company EAD), Telenor Bulgaria EAD |
| Croatia |
Tele2 d o o za telekomunikacijske usluge, VIPnet d o o |
| Cyprus |
MTN Cyprus Limited |
| Czech Republic |
O2 Czech Republic a s, Vodafone Czech Republic a s |
| Denmark |
HI3G Denmark ApS, TDC Denmark-DNKTD |
| Estonia |
Elisa Eesti AS, Tele2 Eesti Aktsiaselts |
| Finland |
Elisa Corporation, TeliaSonera Finland Oyj |
| France |
Free Mobile, Orange-FRAF1 |
| Germany |
O2, Vodafone GmbH |
| Greece |
Tim/Wind-GRCQT, Vodafone |
| Hungary |
Pannon/Telenor, Vodafone Hungary Mobile Telecommunications Company
Limited |
| Iceland |
Nova ehf, Fjarskipti hf |
| Ireland |
Three Ireland (Hutchison), Meteor Mobile Communications Limited |
| Italy |
Vodafone Italia S p A, ILIAD Italia S.p.A. |
| Latvia |
Latvijas Mobilais Telefons, Tele2 SIA |
| Liechtenstein |
Telecom Liechtenstein AG |
| Lithuania |
Omnitel, Tele2 |
| Luxembourg |
Tango SA, Orange Communications Luxembourg S A |
| Malta |
Vodafone - MLTTL |
| Netherlands |
KPN B V, Vodafone Libertel B V |
| Norway |
TeliaSonera Norge AS |
| Portugal and Madeira and Azores |
TMN, Vodafone |
| Romania |
Orange, RCS&RDS Digi Mobile |
| Slovakia |
O2 Slovakia s r o, Orange Slovensko a s |
| Slovenia |
Telekom Slovenije d d, Telemach |
| Spain and Canary Islands |
Telefonica - TE, Vodafone |
| Sweden |
Hi3G Access AB, Tele2 Sverige AB |
| Switzerland |
Sunrise Communications AG |
| Turkey |
Vodafone Telekomunikasyon A S |
| United Kingdom |
Hutchison 3G UK Limited, EE Limited |
