• 1st Rate Communications Ltd
  Orchard House, Barrow Green Road, OXTED, Surrey, RH8 9NE
• 31e Cellular
  Westworld, West Gate, LONDON, Greater London, W5 1XP
• 3c
  40 Marsh Wall, LONDON, Greater London, E14 9TP
• A A Communications
  174 Brabazon Road, HOUNSLOW, Middlesex, TW5 9LP
• Ace Comm Solutions
  24 Alie Street, LONDON, Greater London, E1 8DE
• Advanced Data
  Elan House, 135 Ewell Road, SURBITON, Surrey, KT6 6AL
• Advanced Video Technologies Ltd
  28 Red Post Hill, LONDON, Greater London, SE24 9JQ
• Aircom International Ltd
  Grosvenor House, 65-71 London Road, REDHILL, Surrey, RH1 1LQ
• Alliance Communications Solutions Ltd
  Milton Heath House, Westcott Road, DORKING, Surrey, RH4 3NB
• Alternative Networks TS Ltd
  56 Chatfield Road, LONDON, Greater London, SW11 3UZ
• Amnico
  4-5 Coleridge Gardens, LONDON, Greater London, NW6 3QH
• Analysys Mason Group Ltd
  20-23 Greville Street, LONDON, Greater London, EC1N 8SS
• Answer Communications
  1 Colney Hatch Lane, LONDON, Greater London, N10 1EA
• Arkadin UK Ltd
  26-28 Hammersmith Grove, LONDON, Greater London, W6 7JA
• Association Of Call Handling
  3 The Shrubberies, George Lane, LONDON, Greater London, E18 1BD
• 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
• Bell System Services Lond
  Collingwood House, Schooner Court, Crossways, DARTFORD, Kent, DA2 6QQ
• Bell Systems Services
  Westgate House, Spital Street, DARTFORD, Kent, DA1 2EH
• Bhausman Management Ltd
  8 Duncannon Street, LONDON, Greater London, WC2N 4JF
• Bitsource UK Ltd
  117 Birch Crescent, HORNCHURCH, Essex, RM11 2NG
• Blue Saffron Ltd
  Shakeshere House, 168 Lavender Hill, LONDON, Greater London, SW11 5TF
• Blue Square Telecom
  Albert Buildings, 49 Queen Victoria Street, LONDON, Greater London, EC4N 4SA
• Brecknock Telecommunication
  29 Brecknock Road, LONDON, Greater London, N7 0BT
• Broadsystems
  14 Flood Walk, LONDON, Greater London, SW3 5RG
• C S Telecom Ltd
  23 Skylines Village, Limeharbour, LONDON, Greater London, E14 9TS
• C.F.M Communications
  Empire House, Empire Way, WEMBLEY, Middlesex, HA9 0EW
• C4communication Ltd
  Empire House, Empire Way, WEMBLEY, Middlesex, HA9 0EW
• CPW Solutions
  198 Victoria Road, ROMFORD, Essex, RM1 2NX
• Candela Communications Ltd
  50 Long Acre, LONDON, Greater London, WC2E 9JR
• Cartesian Ltd
  The Descartes House, Gate Street, LONDON, Greater London, WC2A 3HP
• Cascadia Connections
  47 Blandford Road, LONDON, Greater London, W4 1EA
• Catalyst Ltd
  31 Paxton Road, LONDON, Greater London, W4 2QT
• Certain Communications Ltd
  20-23 Greville Street, LONDON, Greater London, EC1N 8SS
• Ch2m Hill
  Ambassador House, Paradise Road, RICHMOND, Surrey, TW9 1SQ
• Cicero Strategy
  ST. Petersburgh Place, LONDON, Greater London, W2 4JY
• Ciena Ltd
  Ciena House, 43-51 Worship Street, LONDON, Greater London, EC2A 2DX
• City Lifeline Ltd
  Lifeline House, 80 Clifton Street, LONDON, Greater London, EC2A 4HB
• Class Systems Ltd
  The White House, 18 Church Road, LEATHERHEAD, Surrey, KT22 8BB
• Clighton Management Ltd
  8 Duncannon Street, LONDON, Greater London, WC2N 4JF
• Commonwealth Communications Ltd
  26 York Street, LONDON, Greater London, W1U 6PZ
• Commquest UK Ltd
  12 Guilford Avenue, SURBITON, Surrey, KT5 8DQ
• Coppweb
  198 Addiscombe Road, CROYDON, Surrey, CR0 7LB
• Corex Networks
  34-36 High Holborn, LONDON, Greater London, WC1V 6AE
• Cortel Chelsea
  1 Cremorne Road, LONDON, Greater London, SW10 0NA
• Crowthorne Assist Ltd
  Unit 8 Tavern Quay Commercial Centre, Rope Street, LONDON, Greater London, SE16 7TX
• 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
• DPN Solutions
  68 High Street, CHISLEHURST, Kent, BR7 5AQ
• Datacomms UK Ltd
  30 Elmwood Road, REDHILL, Surrey, RH1 2JD
• Datasharp Voice Solutions
  50 Lonsdale Road, LONDON, Greater London, W11 2DE
• Dexteris Consultants & Services Ltd
  20-23 Greville Street, LONDON, Greater London, EC1N 8SS
• Diligent Communications
  The Officers Mess, Coulsdon Road, CATERHAM, Surrey, CR3 5QX
• 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
• Energy Audits
  Shakespeare House, 168 Lavender Hill, LONDON, Greater London, SW11 5TG
• Enidan Electrical & Communication Services Ltd
  20 High Street, WESTERHAM, Kent, TN16 1RG
• Entaspace
  26 Austral Close, SIDCUP, Kent, DA15 7LE
• Ethnic Communications Ltd
  50 Long Acre, LONDON, Greater London, WC2E 9JR
• Extel Communications
  Clock Factory, Tower Road Industrial Estate, ROMFORD, Essex, RM7 6ST
• Feedback Communications
  Suite 33, 10 Barley Mow Passage, LONDON, Greater London, W4 4PH
• Fineline Networks Ltd
  37 Southwood Road, LONDON, Greater London, SE9 3QE
• Force Ten Communications Ltd
  11 69 St. Marks Road, LONDON, Greater London, W10 6JG
• Fulcrum Communications
  3 Alexander Buildings, Station Approach Road, COULSDON, Surrey, CR5 2NS
• Future.Com
  272 London Road, WALLINGTON, Surrey, SM6 7DJ
• Global Defence Communications
  7 ST. Marys Road, LONDON, Greater London, NW11 9UE
• H B Europe Corporate Services Ltd
  11 The Leather Market, Weston Street, LONDON, Greater London, SE1 3ER
• Hartley Communications
  104 Kingsbury Road, LONDON, Greater London, NW9 0AX
• Hayle Communications Ltd
  68 Windmill Road, CROYDON, Surrey, CR0 2XP
• Highwayman Associates
  Woodvill Cottage, Woodvill Road, LEATHERHEAD, Surrey, KT22 7BP
• I C S
  Colet Court, 100 Hammersmith Road, LONDON, Greater London, W6 7JP
• I.T. Contract Management Ltd
  Unit 10 Hackford Walk, LONDON, Greater London, SW9 0QT
• Independent Data Distribution Ltd
  Epworth House, 25 City Road, LONDON, Greater London, EC1Y 1AA
• Infinite Communications Ltd
  26 York Street, LONDON, Greater London, W1U 6PZ
• Information & Communication
  Plumstead Road, LONDON, Greater London, SE18 7BZ
• Instant Telecoms I T C Centre
  268 Regents Park Road, LONDON, Greater London, N3 3HN
• Integrated Digital Systems Ltd
  44-45 Chancery Lane, LONDON, Greater London, WC2A 1JB
• Intouch
  Richmond Bridge House, 419 Richmond Road, TWICKENHAM, Middlesex, TW1 2EX
• Intouch Communication Services Ltd
  63 Green Dragon Yard, LONDON, Greater London, E1 5NJ
• Ip Network Communications Ltd
  7 Joydens Wood Road, BEXLEY, Kent, DA5 2HS
• Iq Communications
  Unit 12 Park Road Industrial Estate, Park Road, SWANLEY, Kent, BR8 8AH
• Itech Supplies
  King William House, 2a Eastcheap, LONDON, Greater London, EC3M 1AA
• Jades Communications
  133 Fords Park Road, LONDON, Greater London, E16 1PR
• KT Corporation London
  Mincing Lane, LONDON, Greater London, EC3R 7AE
• 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
• LCC Ltd
  54 Ayres Street, LONDON, Greater London, SE1 1EU
• Lamont Consultants
  6 Empress Mews, LONDON, Greater London, SE5 9BT
• Lee Morgan Management Ltd
  8 Duncannon Street, LONDON, Greater London, WC2N 4JF
• Light Guide Technologies
  4-6 Nuxley Road, BELVEDERE, Kent, DA17 5JF
• Logos Healthcare Communications Ltd
  20-23 Greville Street, LONDON, Greater London, EC1N 8SS
• Lumina Broadcast
  59a Fitzgeorge Avenue, LONDON, Greater London, W14 0SZ
• M D Telecomms
  41 Burnaby Gardens, LONDON, Greater London, W4 3DR
• M N Telecom
  17 Barham Court, Barham Close, WEMBLEY, Middlesex, HA0 2EB
• Mashmallow
  Lower Flat, 17 Brockley Park, LONDON, Greater London, SE23 1PT
• Mason Communications
  20-23 Greville Street, LONDON, Greater London, EC1N 8SS
• Mercury Energy
  1 Olympic Way, WEMBLEY, Middlesex, HA9 0NP
• Metapath Software International
  Strand Bridge House, 128-142 Strand, LONDON, Greater London, WC2R 1HH
• Metcom International Ltd
  26 High Street, Wimbledon, LONDON, Greater London, SW19 5BY
• Metier Consultancy Services
  Dexter House, 22 South End, CROYDON, Surrey, CR0 1DN
• Mlambo Management Ltd
  8 Duncannon Street, LONDON, Greater London, WC2N 4JF
• Mobile 365 UK
  50 Southwark Street, LONDON, Greater London, SE1 1UN
• Modern Networks Ltd
  26 Gray's Inn Road, LONDON, Greater London, WC1X 8HR
• Moodia Internet Solutions
  91 Brick Lane, LONDON, Greater London, E1 6QL
• Mycom UK Ltd
  Wembley Point, 1 Harrow Road, WEMBLEY, Middlesex, HA9 6DE
• Nag Telecom
  6-10 Great Portland Street, LONDON, Greater London, W1W 8QL
• Oceanic Logistics
  23 Alexandra Road, LONDON, Greater London, NW4 2SB
• 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
• Organizational & Educational Consultancy Ltd
  143 Pepys Road, LONDON, Greater London, SE14 5SG
• PTS Consulting UK Ltd
  50 Liverpool Street, LONDON, Greater London, EC2M 7PR
• Palebeck Telecommunications Technology Ltd
  9 Little Portland Street, LONDON, Greater London, W1W 7JF
• Perkins Telecommunications Consultants International Ltd
  5 The Retreat, HARROW, Middlesex, HA2 7JH
• Philip Royse Associates
  Heather Vale, 11 Kenwood Ridge, KENLEY, Surrey, CR8 5JW
• 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
• Primus Telecommunications Ltd
  4 Victoria Street, LONDON, Greater London, SW1H 0GT
• Progressive Communication Associates
  Mitre House, 12-14 Mitre Street, LONDON, Greater London, EC3A 5BU
• Progressive Consulting
  48 Heathfield Road, CROYDON, Surrey, CR0 1EW
• Quality Telecom
  Olympic House, 28-42 Clements Road, ILFORD, Essex, IG1 1BA
• R I S C
  31 Twickenham Road, TEDDINGTON, Middlesex, TW11 8AQ
• RGT Ltd
  Chapel Road, Smallfield, HORLEY, Surrey, RH6 9NW
• Red Moon Interactive
  78 Cannon Street, LONDON, Greater London, EC4N 6NQ
• Reid Communication Solutions
  358 Regents Park Road, LONDON, Greater London, N3 2LJ
• Retrofit
  Unit 1b Barking Business Centre, Thames Road, BARKING, Essex, IG11 0JP
• Richmond Management Group
  Business Park 5, Cleeve Road, LEATHERHEAD, Surrey, KT22 7NB
• Sabeca
  London House, 100 New Kings Road, LONDON, Greater London, SW6 4LX
• Sabio Ltd
  Unit 14 Canterbury Court, LONDON, Greater London, SW9 6DE
• Salient Telecomms Ltd
  ST. Andrews House, 22-28 High Street, EPSOM, Surrey, KT19 8AH
• Sceptre Analysis Ltd
  261 Beckenham Road, BECKENHAM, Kent, BR3 4RP
• Setel Satellite Ltd
  Tower House, 226 Cromwell Road, LONDON, Greater London, SW5 0SW
• Shore Communications Ltd
  Mint House, Stanley Park Road, WALLINGTON, Surrey, SM6 0EU
• Smart Info
  Unit 11 49-59 Old Street, LONDON, Greater London, EC1V 9HX
• Smarttalk Communications
  23 Burlington Lane, LONDON, Greater London, W4 2RN
• Solnet Ltd
  Ivy Mill House, Ivy Mill Lane, GODSTONE, Surrey, RH9 8NR
• 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
• Sure Office Systems Ltd
  Ivy Lodge Farm, Shepherds Hill, ROMFORD, Essex, RM3 0NR
• Susuin Off Licence
  140 Plumstead Road, LONDON, Greater London, SE18 7DY