• 141 Telecom
  Waterside Chambers, Bridge Barn Lane, WOKING, Surrey, GU21 6NL
• 31e Cellular
  Westworld, West Gate, LONDON, Greater London, W5 1XP
• A A Communications
  174 Brabazon Road, HOUNSLOW, Middlesex, TW5 9LP
• Advanced Data
  Elan House, 135 Ewell Road, SURBITON, Surrey, KT6 6AL
• Aircom International Ltd
  Grosvenor House, 65-71 London Road, REDHILL, Surrey, RH1 1LQ
• 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
• Alternative Networks TS Ltd
  56 Chatfield Road, LONDON, Greater London, SW11 3UZ
• Amnico
  4-5 Coleridge Gardens, LONDON, Greater London, NW6 3QH
• Arkadin UK Ltd
  26-28 Hammersmith Grove, LONDON, Greater London, W6 7JA
• BB Telecoms Consultancy
  27 Newhaven Crescent, ASHFORD, Middlesex, TW15 1PB
• BH Communications
  Suite 33, 10 Barley Mow Passage, LONDON, Greater London, W4 4PH
• BRC Consultancy Ltd
  Berkeley Square House, Berkeley Square, LONDON, Greater London, W1J 6BD
• Bci Consultants Llp
  10 Copsem Lane, ESHER, Surrey, KT10 9EU
• Blue Saffron Ltd
  Shakeshere House, 168 Lavender Hill, LONDON, Greater London, SW11 5TF
• Bradley Businesscore
  New Haven, Pyrford Woods Road, WOKING, Surrey, GU22 8QR
• Brecknock Telecommunication
  29 Brecknock Road, LONDON, Greater London, N7 0BT
• Broadband Fix
  East Shalford Lodge, Hornhatch Lane, GUILDFORD, Surrey, GU4 8AT
• Broadsystems
  14 Flood Walk, LONDON, Greater London, SW3 5RG
• 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
• C.F.M Communications
  Empire House, Empire Way, WEMBLEY, Middlesex, HA9 0EW
• C4communication Ltd
  Empire House, Empire Way, WEMBLEY, Middlesex, HA9 0EW
• Cascadia Connections
  47 Blandford Road, LONDON, Greater London, W4 1EA
• Catalyst Ltd
  31 Paxton Road, LONDON, Greater London, W4 2QT
• Ch2m Hill
  Ambassador House, Paradise Road, RICHMOND, Surrey, TW9 1SQ
• Cicero Strategy
  ST. Petersburgh Place, LONDON, Greater London, W2 4JY
• Class Systems Ltd
  The White House, 18 Church Road, LEATHERHEAD, Surrey, KT22 8BB
• Commonwealth Communications Ltd
  26 York Street, LONDON, Greater London, W1U 6PZ
• Commquest UK Ltd
  12 Guilford Avenue, SURBITON, Surrey, KT5 8DQ
• Communications Connect
  9 Edward Avenue, CAMBERLEY, Surrey, GU15 3BB
• Cortel Chelsea
  1 Cremorne Road, LONDON, Greater London, SW10 0NA
• Cypher 7 Ltd
  38 Barlby Road, LONDON, Greater London, W10 6BL
• D Mason
  New Gallery House, 6 Vigo Street, LONDON, Greater London, W1S 3HF
• D.S.P.G. Ltd
  253a Kilburn Lane, LONDON, Greater London, W10 4BQ
• Daly International
  New Statesman House, Stafferton Way, MAIDENHEAD, Berkshire, SL6 1AY
• Datacomms UK Ltd
  30 Elmwood Road, REDHILL, Surrey, RH1 2JD
• Datasharp Voice Solutions
  50 Lonsdale Road, LONDON, Greater London, W11 2DE
• Dynacom Ltd
  5 Burcote, WEYBRIDGE, Surrey, KT13 0HG
• Dynamical Systems Research Ltd
  The Glassmill, 1 Battersea Bridge Road, LONDON, Greater London, SW11 3BZ
• Echo Communications Ltd
  Echo House, 27-33 Burr Road, LONDON, Greater London, SW18 4SQ
• Econpower Consultancies
  268 Bath Road, SLOUGH, Berkshire, SL1 4DX
• Energy Audits
  Shakespeare House, 168 Lavender Hill, LONDON, Greater London, SW11 5TG
• Eurolink Consultants
  New Haven, Pyrford Woods Road, WOKING, Surrey, GU22 8QR
• Feedback Communications
  Suite 33, 10 Barley Mow Passage, LONDON, Greater London, W4 4PH
• Force Ten Communications Ltd
  11 69 St. Marks Road, LONDON, Greater London, W10 6JG
• Future Numbers Ltd
  4 Downing Street, FARNHAM, Surrey, GU9 7NX
• Future.Com
  272 London Road, WALLINGTON, Surrey, SM6 7DJ
• Global Defence Communications
  7 ST. Marys Road, LONDON, Greater London, NW11 9UE
• Grazebrook Laboratories
  Farm Cottage, Collinswood Road, Farnham Common, SLOUGH, Berkshire, SL2 3LJ
• Hartley Communications
  104 Kingsbury Road, LONDON, Greater London, NW9 0AX
• 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
• Holiday Bonanza
  Lake Cottage, Petworth Road, Witley, GODALMING, Surrey, GU8 5PH
• I C S
  Colet Court, 100 Hammersmith Road, LONDON, Greater London, W6 7JP
• Ics
  Imperial College of Science T, Silwood Park Buckhurst Road, Sunninghill, ASCOT, Berkshire, SL5 7PY
• Infinite Communications Ltd
  26 York Street, LONDON, Greater London, W1U 6PZ
• Intouch
  Richmond Bridge House, 419 Richmond Road, TWICKENHAM, Middlesex, TW1 2EX
• Kayeholdings.Com
  M S P House, Fourth Way, WEMBLEY, Middlesex, HA9 0HQ
• Kensal Com Centre Ltd
  Ladbroke Grove, LONDON, Greater London, W10 5NQ
• Knight & Associates
  Marina House, 108 Goldhawk Road, LONDON, Greater London, W12 8HD
• Lucent Worldwide Services
  Chiltern House, Broad Lane, BRACKNELL, Berkshire, RG12 9GU
• Lumina Broadcast
  59a Fitzgeorge Avenue, LONDON, Greater London, W14 0SZ
• M D Telecomms
  41 Burnaby Gardens, LONDON, Greater London, W4 3DR
• 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
• Mercury Energy
  1 Olympic Way, WEMBLEY, Middlesex, HA9 0NP
• Metcom International Ltd
  26 High Street, Wimbledon, LONDON, Greater London, SW19 5BY
• Mycom UK Ltd
  Wembley Point, 1 Harrow Road, WEMBLEY, Middlesex, HA9 6DE
• Nag Telecom
  6-10 Great Portland Street, LONDON, Greater London, W1W 8QL
• Nomis Connections Ltd
  1 Pannells Court, GUILDFORD, Surrey, GU1 4EU
• Olive Communications
  Tal House, 575 North End Road, WEMBLEY, Middlesex, HA9 0UU
• Omega Solutions Group
  Premier House, 1-7 Warren Road, REIGATE, Surrey, RH2 0BE
• One Stop Technology
  35 Cheam Common Road, WORCESTER PARK, Surrey, KT4 8TE
• Opstel Professional Solutions
  London Road, Blackwater, CAMBERLEY, Surrey, GU17 9AD
• Palebeck Telecommunications Technology Ltd
  9 Little Portland Street, LONDON, Greater London, W1W 7JF
• 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
• Plantek Project Management
  Jigsaw House, 39 Central Way, CARSHALTON, Surrey, SM5 3NF
• 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
• Sabeca
  London House, 100 New Kings Road, LONDON, Greater London, SW6 4LX
• Salient Telecomms Ltd
  ST. Andrews House, 22-28 High Street, EPSOM, Surrey, KT19 8AH
• Setel Satellite Ltd
  Tower House, 226 Cromwell Road, LONDON, Greater London, SW5 0SW
• Shere Group
  2 River Court, Albert Drive, WOKING, Surrey, GU21 5RP
• Shore Communications Ltd
  Mint House, Stanley Park Road, WALLINGTON, Surrey, SM6 0EU
• Siptel
  Surrey Technology Centre, Occam Road, Surrey Research Park, GUILDFORD, Surrey, GU2 7YG
• Smarttalk Communications
  23 Burlington Lane, LONDON, Greater London, W4 2RN
• Solutions Management & Resource Targeting Ltd
  181-185 High Street, NEW MALDEN, Surrey, KT3 4BH
• Spink Telecom Consultants Ltd
  5 Crescent Road, REIGATE, Surrey, RH2 8HT
• Stonehenge Infotel Ltd
  Churchill Court, Station Road, North Harrow, HARROW, Middlesex, HA2 7SA
• Synectiv Ltd
  Kingsbury House, 468 Church Lane, LONDON, Greater London, NW9 8UA
• System Talk Ltd
  Enterprise House, 297 Pinner Road, HARROW, Middlesex, HA1 4HS
• TCS Communications
  17 Park Road, REDHILL, Surrey, RH1 1BT
• Talking Technology Ltd
  Technology House, 11 Palmerston Road, SUTTON, Surrey, SM1 4QL
• Tarifica
  24-25 Scala Street, LONDON, Greater London, W1T 2HP
• Tecteon plc
  19-20 Grosvenor Street, LONDON, Greater London, W1K 4QH
• Telenet London.Com
  222 Kensal Road, LONDON, Greater London, W10 5BN
• 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
• Tyler & Company
  Marble Arch Tower, 55 Bryanston Street, LONDON, Greater London, W1H 7LZ
• Utility Discount Club
  Edge Business Centre, Humber Road, LONDON, Greater London, NW2 6EW
• Wfi UK Ltd
  74 North Street, GUILDFORD, Surrey, GU1 4AW
• Wireless Facilities International Ltd
  74 North Street, GUILDFORD, Surrey, GU1 4AW
• Wright Wright Wright
  2 Coleridge Avenue, SUTTON, Surrey, SM1 3RQ
• Zencom Telecommunications
  16 Hanover Square, LONDON, Greater London, W1S 1HT