• 141 Telecom
  Waterside Chambers, Bridge Barn Lane, WOKING, Surrey, GU21 6NL
• A A Communications
  174 Brabazon Road, HOUNSLOW, Middlesex, TW5 9LP
• Albany Partnership Ltd
  Dolphin House, Albany Park, CAMBERLEY, Surrey, GU16 7PL
• Alliance Communications Solutions Ltd
  Milton Heath House, Westcott Road, DORKING, Surrey, RH4 3NB
• Alternative Networks Ltd
  Doncastle House, Doncastle Road, BRACKNELL, Berkshire, RG12 8PE
• BB Telecoms Consultancy
  27 Newhaven Crescent, ASHFORD, Middlesex, TW15 1PB
• Bci Consultants Llp
  10 Copsem Lane, ESHER, Surrey, KT10 9EU
• Berkley Management Services Ltd
  1 Berkley Road, BEACONSFIELD, Buckinghamshire, HP9 2AY
• Bradley Businesscore
  New Haven, Pyrford Woods Road, WOKING, Surrey, GU22 8QR
• Broadband Fix
  East Shalford Lodge, Hornhatch Lane, GUILDFORD, Surrey, GU4 8AT
• Business Telecommunications Services Ltd
  Wood End, The Friary, Old Windsor, WINDSOR, Berkshire, SL4 2NR
• Businesscall Ltd
  New Haven, Pyrford Woods Road, WOKING, Surrey, GU22 8QR
• Call-Link Communications Ltd
  Worton Drive, READING, Berkshire, RG2 0TG
• Class Systems Ltd
  The White House, 18 Church Road, LEATHERHEAD, Surrey, KT22 8BB
• Communications Connect
  9 Edward Avenue, CAMBERLEY, Surrey, GU15 3BB
• Connect B2b
  Northfield House, Northfield End, HENLEY ON THAMES, Oxfordshire, RG9 2JG
• Daly International
  New Statesman House, Stafferton Way, MAIDENHEAD, Berkshire, SL6 1AY
• Dynacom Ltd
  5 Burcote, WEYBRIDGE, Surrey, KT13 0HG
• Econpower Consultancies
  268 Bath Road, SLOUGH, Berkshire, SL1 4DX
• Eurolink Consultants
  New Haven, Pyrford Woods Road, WOKING, Surrey, GU22 8QR
• Evolution Telco Ltd
  Cressex Enterprise Centre, Cressex Business Park, Cressex Business Park, HIGH WYCOMBE, Buckinghamshire, HP12 3RL
• Freefall Communications
  Hanover International, Unit 6, Pingewood, READING, Berkshire, RG30 3UN
• Future Numbers Ltd
  4 Downing Street, FARNHAM, Surrey, GU9 7NX
• GCR Soft Ltd
  52 Mitchell Avenue, Hartley Wintney, HOOK, Hampshire, RG27 8HG
• Grazebrook Laboratories
  Farm Cottage, Collinswood Road, Farnham Common, SLOUGH, Berkshire, SL2 3LJ
• Hays Telecoms
  The Pump House Stag Place, Town Lane, Wooburn Green, HIGH WYCOMBE, Buckinghamshire, HP10 0TT
• Highwayman Associates
  Woodvill Cottage, Woodvill Road, LEATHERHEAD, Surrey, KT22 7BP
• Ics
  Imperial College of Science T, Silwood Park Buckhurst Road, Sunninghill, ASCOT, Berkshire, SL5 7PY
• Intouch
  Richmond Bridge House, 419 Richmond Road, TWICKENHAM, Middlesex, TW1 2EX
• Lucent Worldwide Services
  Chiltern House, Broad Lane, BRACKNELL, Berkshire, RG12 9GU
• M K International Ltd
  76-78 Chertsey Road, WOKING, Surrey, GU21 5BJ
• M N Telecom
  17 Barham Court, Barham Close, WEMBLEY, Middlesex, HA0 2EB
• MCS Marketing Communications Services LLP
  2 The Deans, Bridge Road, BAGSHOT, Surrey, GU19 5AT
• Maple Communications Management Ltd
  PO Box 2562, Calcot, READING, Berkshire, RG31 7XH
• Materna Communications plc
  Discovery House, Aveling Road, HIGH WYCOMBE, Buckinghamshire, HP13 6AE
• Materna Information & Communications Ltd
  Discovery House, Aveling Road, HIGH WYCOMBE, Buckinghamshire, HP13 6AE
• Nomis Connections Ltd
  1 Pannells Court, GUILDFORD, Surrey, GU1 4EU
• O Bit Telecom Ltd
  Abbey House, 84b Easton Street, HIGH WYCOMBE, Buckinghamshire, HP11 1LT
• O T W Enterprises Ltd
  83 Albany Road, READING, Berkshire, RG30 2UL
• Objective Communications Ltd
  Highlands Lane, Rotherfield Greys, HENLEY ON THAMES, Oxfordshire, RG9 4PS
• Opstel Professional Solutions
  London Road, Blackwater, CAMBERLEY, Surrey, GU17 9AD
• Paladin Communications Ltd
  Highlands Lane, Rotherfield Greys, HENLEY ON THAMES, Oxfordshire, RG9 4PS
• Pentagon Consulting
  268 Bath Road, SLOUGH, Berkshire, SL1 4DX
• Perkins Telecommunications Consultants International Ltd
  5 The Retreat, HARROW, Middlesex, HA2 7JH
• Phone Home & Away STD Ltd
  Congress House, 14 Lyon Road, HARROW, Middlesex, HA1 2EN
• Primary Resource Alliance Ltd
  Milton Heath House, Westcott Road, DORKING, Surrey, RH4 3NB
• Pro2cal Solutions Ltd
  1 Arthur Close, FARNHAM, Surrey, GU9 8PE
• Pulse Media
  Lansbury Estate, Lower Guildford Road, Knaphill, WOKING, Surrey, GU21 2EP
• R I S C
  31 Twickenham Road, TEDDINGTON, Middlesex, TW11 8AQ
• Rallye Communications Ltd
  10 Minstead Drive, YATELEY, Hampshire, GU46 6EH
• Rapid Global
  George V Place, Thames Avenue, WINDSOR, Berkshire, SL4 1QP
• Richmond Management Group
  Business Park 5, Cleeve Road, LEATHERHEAD, Surrey, KT22 7NB
• Rocket Group
  3-5 Alexandra Terrace, Alexandra Road, ALDERSHOT, Hampshire, GU11 3HU
• Shere Group
  2 River Court, Albert Drive, WOKING, Surrey, GU21 5RP
• Siptel
  Surrey Technology Centre, Occam Road, Surrey Research Park, GUILDFORD, Surrey, GU2 7YG
• Stonehenge Infotel Ltd
  Churchill Court, Station Road, North Harrow, HARROW, Middlesex, HA2 7SA
• System Talk Ltd
  Enterprise House, 297 Pinner Road, HARROW, Middlesex, HA1 4HS
• Telenet Services
  Telecome House, York Road, WEYBRIDGE, Surrey, KT13 9DY
• The E M S Group Ltd
  Aldwych House, Madeira Road, WEST BYFLEET, Surrey, KT14 6DA
• Wfi UK Ltd
  74 North Street, GUILDFORD, Surrey, GU1 4AW
• Wireless Facilities International Ltd
  74 North Street, GUILDFORD, Surrey, GU1 4AW
• Wychwood Communications
  Cutbush Manor, Cutbush Lane, Shinfield, READING, Berkshire, RG2 9AL