| 3Net Media Group |
West Midlands |
|
| 5 Rings Telecom Limited |
West Sussex |
|
| AirRadio Ltd |
Greater London |
|
| Alban Telecom Ltd |
Hertfordshire |
|
| Alpha Delta IP Ltd, t/as Alpha Delta, mbuzzz.net |
|
|
| Alternative Networks plc |
Greater London |
|
| Ardencom Ltd |
West Midlands |
|
| Armstrong Bell Ltd |
Worcestershire |
|
| Ashleigh Potter Consulting Ltd |
Hampshire |
|
| Brooks Deacon Partnership Ltd |
Northamptonshire |
|
| Call Handling Services Ltd |
Greater London |
|
| Call Stream Ltd |
West Midlands |
|
| Comtact Limited |
Greater London |
|
| Daisy Mobile UK |
Bedfordshire |
|
| DRD Communications Ltd t/as VanillaIP and Qudo |
Surrey |
|
| Elitetele.com Plc |
Merseyside |
|
| Enarpee Services Limited |
Hampshire |
|
| Equitalk.co.uk Ltd |
Greater London |
|
| Eurolink Telecom Ltd |
Gloucestershire |
|
| Eversheds |
Greater London |
|
| First European Telecom Ltd |
South Yorkshire |
|
| Fujitsu Services Ltd |
West Midlands |
|
| GlemNet Limited |
Kent |
|
| Global 4 Communications Ltd |
West Sussex |
|
| Global Telecommunications Ltd |
Hampshire |
|
| Green Telecom |
Buckinghamshire |
|
| Halo Communications Limited |
Strathclyde |
|
| Hay Systems Ltd |
West Lothian |
|
| Integr8 Voice & Data Ltd |
Greater London |
|
| Intercall Europe Ltd |
Hertfordshire |
|
| IPPlus (UK) PLC |
Suffolk |
|
| IPTEL Ltd |
Middlesex |
|
| IV Response Ltd |
Greater London |
|
| Kalnet4U Ltd |
Devon |
|
| Kingston Communications |
South Yorkshire |
|
| LCC Communications Ltd |
Cleveland |
|
| Manches LLP |
Oxfordshire |
|
| Mapesbury Communications Ltd t/as MCOM & UK01 |
Hertfordshire |
|
| Modern Communications Ltd |
Greater London |
|
| Network Rail |
Greater London |
|
| Nine Club Communications Ltd |
Gloucestershire |
|
| Nine Telecom Ltd |
Kent |
|
| Northway Communications Services (UK) Limited |
Gloucestershire |
|
| OnePhone (UK) Ltd t/as One Phone & Spring Mobil |
North Yorkshire |
|
| Phoenix Link |
Kent |
|
| Private Mobile Networks Ltd |
North Yorkshire |
|
| RCG Global Networks Limited |
West Sussex |
|
| Realisys Ltd |
Greater London |
|
| Scotia Radio Services Ltd |
Strathclyde |
|
| Sesui Ltd |
Oxfordshire |
|