• 8el Ltd
  87 London Street, READING, Berkshire, RG1 4QA
• A C I Ltd
  Crossbow House, 40 Liverpool Road, SLOUGH, Berkshire, SL1 4QZ
• A.C.P.Telecom Services
  34 South Lane, Ash, ALDERSHOT, Hampshire, GU12 6NG
• Act Teleconferencing Ltd
  Queens House, Kymberley Road, HARROW, Middlesex, HA1 1US
• Air Radio
  High Street, Harmondsworth, WEST DRAYTON, Middlesex, UB7 0BT
• Alicom Systems Ltd
  11 Eghams Court, Boston Drive, BOURNE END, Buckinghamshire, SL8 5YS
• Alison Townsend Ltd
  11 Eghams Court, Boston Drive, BOURNE END, Buckinghamshire, SL8 5YS
• Alliance Communication Solutions Ltd
  South House, South Street, DORKING, Surrey, RH4 2JZ
• Alpha Prepaid Ltd
  391 Richmond Road, TWICKENHAM, Middlesex, TW1 2EF
• Alpha Telecom
  391 Richmond Road, TWICKENHAM, Middlesex, TW1 2EF
• Andrews & Arnold Ltd
  Unit 3 Enterprise Court, Downmill Road, BRACKNELL, Berkshire, RG12 1QS
• Ant Communications
  4 Front House, Stonefield Way, RUISLIP, Middlesex, HA4 0JS
• Area Communications
  Reviens, The Rowans, SUNBURY ON THAMES, Middlesex, TW16 7QG
• Aspetel Services
  2 Wallingford Road, UXBRIDGE, Middlesex, UB8 2BB
• Autoansa Ltd
  Swan House, 69-71 Windmill Road, SUNBURY ON THAMES, Middlesex, TW16 7DT
• Avaya UK
  Avaya House, Cathedral Hill, GUILDFORD, Surrey, GU2 7YL
• Azzurri Communications Ltd
  Halewood House, Tite Hill, EGHAM, Surrey, TW20 0LT
• BT Local Business
  Riverview, Walnut Tree Close, GUILDFORD, Surrey, GU1 4UX
• BTL Communication
  Manhattan House, 140 High Street, CROWTHORNE, Berkshire, RG45 7AY
• Ballast Nedan I P M Ltd
  54 Suttons Business Park, Sutton Park Avenue, Earley, READING, Berkshire, RG6 1AZ
• Border Telecom
  Heather Drive, ASCOT, Berkshire, SL5 0HT
• Burns Telecom
  43 Sandhurst Road, CROWTHORNE, Berkshire, RG45 7HY
• Buttontel
  3 Park Street, WINDSOR, Berkshire, SL4 1LU
• Cable & Wireless Communications Ltd
  1 Brentside Exec Centre, Great West Road, BRENTFORD, Middlesex, TW8 9DS
• Cabletel (GB) Ltd
  Suite 112 Whittaker House, Whittaker Avenue, RICHMOND, Surrey, TW9 1EH
• Cabletel Surrey & Hampshire Ltd
  P O Box 7137, Hook, HOOK, Hampshire, RG27 9FN
• Call Sciences
  126 Fairlie Road, SLOUGH, Berkshire, SL1 4PY
• Callmaster Ltd
  Wrecclesham Road, Wrecclesham, FARNHAM, Surrey, GU10 4PS
• Cellnet
  260 Bath Road, SLOUGH, Berkshire, SL1 4DX
• Chanistan Trading
  79 Chiltern Crescent, Earley, READING, Berkshire, RG6 1AL
• Cma Telecommunication Services
  Ranmore House, The Crescent, LEATHERHEAD, Surrey, KT22 8DY
• Commlinks
  96 Harlington Road West, FELTHAM, Middlesex, TW14 0JJ
• Communications Network
  Green Street, SUNBURY ON THAMES, Middlesex, TW16 6QJ
• Connections Communications Specialists Ltd
  Crowthorne Enterprise Centre Crowthorne Business Estate, Old Wok, CROWTHORNE, Berkshire, RG45 6AW
• Converse Telecom
  Barley House, 57 Church Street, STAINES, Middlesex, TW18 4XS
• Cramer Systems
  8 The Square, Stockley Park, UXBRIDGE, Middlesex, UB11 1FW
• D P S S Cabling Services Ltd
  Unit 16 Chiltern Business Village, Arundel Road, UXBRIDGE, Middlesex, UB8 2SN
• DC Business Services Ltd
  Ebenezer Cottage, Reading Road North, FLEET, Hampshire, GU51 4AQ
• Data Broadcasting International Ltd
  Allen House, Station Road, EGHAM, Surrey, TW20 9NT
• Dinkson Telecom Ltd
  47 Castle Street, READING, Berkshire, RG1 7SR
• Distinct Developments Ltd
  47 Castle Street, READING, Berkshire, RG1 7SR
• E Coherent Communications Systems Ltd
  Abbey Place, 24-28 Eastern Street, HIGH WYCOMBE, Buckinghamshire, HP11 1NT
• F D K Communication
  South House, South Street, DORKING, Surrey, RH4 2JZ
• Face Value Ltd
  Charles House, Toutley Road, WOKINGHAM, Berkshire, RG41 1QN
• Farfan Patric Assocs Ltd
  Quay West, Salamander Quay, Harefield, UXBRIDGE, Middlesex, UB9 6NZ
• Flextel Telecommunications
  24-28 ST. Leonards Road, WINDSOR, Berkshire, SL4 3BB
• Foneandsurf.Com
  343 Bath Road, HOUNSLOW, Middlesex, TW3 3DH
• French & Grace
  57 Station Road, HAMPTON, Middlesex, TW12 2BT
• Fuszion
  891 Plymouth Road, SLOUGH, Berkshire, SL1 4LP
• Gara Technologies Ltd
  Coughlan House, 12 Walmgate Road, GREENFORD, Middlesex, UB6 7LH
• Giblin Telecom Ltd
  589 London Road, SLOUGH, Berkshire, SL3 8QG
• Gold Telecom Ltd
  1 ST. Johns Mews, ST. Johns Road, Hampton Wick, KINGSTON UPON THAMES, Surrey, KT1 4AN
• Harrow International Call Centre
  72 Station Road, HARROW, Middlesex, HA1 2SQ
• Hartwood Radio Systems Ltd
  271 Farnborough Road, FARNBOROUGH, Hampshire, GU14 7LY
• Helmcom Ltd
  47 Castle Street, READING, Berkshire, RG1 7SR
• Idirect Technologies
  270 Bath Road, SLOUGH, Berkshire, SL1 4DX
• Imax Networks Ltd
  Marlborough House, 159 High Street, Wealdstone, HARROW, Middlesex, HA3 5DX
• Infotec Installations Ltd
  2 Cock Lane, Fetcham, LEATHERHEAD, Surrey, KT22 9TT
• Intercai Mondiale Ltd
  High Street, MARLOW, Buckinghamshire, SL7 1AB
• Interplay Media Ltd
  4 The Quadrant Courtyard, Quadrant Way, WEYBRIDGE, Surrey, KT13 8DR
• Juniper Networks Ltd
  Juniper House, Guildford Road, Fetcham, LEATHERHEAD, Surrey, KT22 9JH
• Kingston Mediastream
  Chalfont Grove, Narcot Lane, Chalfont St. Peter, GERRARDS CROSS, Buckinghamshire, SL9 8TW
• Korus Group Ltd
  Korus House, 6-8 Colne Road, TWICKENHAM, Middlesex, TW1 4JR
• Korus Systems
  Korus House, 6-8 Colne Road, TWICKENHAM, Middlesex, TW1 4JR
• Land-Developments Professional Services Ltd
  47 Castle Street, READING, Berkshire, RG1 7SR
• Leading Edge Technology Ltd
  Woodthorpe Road, ASHFORD, Middlesex, TW15 2RW
• Leonard Computers & Communication Services Ltd
  1 Church Road, ISLEWORTH, Middlesex, TW7 4PL
• Lineplex Ltd
  PO Box 590, Peaslake, GUILDFORD, Surrey, GU5 9YL
• London Communication Centre
  128 Hanworth Road, HOUNSLOW, Middlesex, TW3 1UG
• M C I Worldcom
  Reading International Business Park, READING, Berkshire, RG2 6DA
• MSM Telecom Services Ltd
  19 Buxton Avenue, Caversham, READING, Berkshire, RG4 7BT
• Mcclutton Telecom UK
  159 Luscinia View, Napier Road, READING, Berkshire, RG1 8AG
• Mci Worldphone Ltd
  Reading International Business Park, READING, Berkshire, RG2 6DA
• Mears R J Telephone Extension Socket Services
  36 Connaught Close, YATELEY, Hampshire, GU46 6QQ
• Miro Telecommunications Ltd
  F A C S House, Holmesdale Road, North Holmwood, DORKING, Surrey, RH5 4HS
• NTL
  Wharfedale Road, Winnersh, WOKINGHAM, Berkshire, RG41 5TZ
• NTL
  1 Lakeside Road, FARNBOROUGH, Hampshire, GU14 6XP
• NTL
  Customer Assistance, London Business Customer Service, NORTHWOOD, Middlesex, HA6 2TW
• NTL: Telewest Finance plc
  NTL House, Bartleywood Business Park, HOOK, Hampshire, RG27 9UP
• Nestor Electronics Ltd
  11 ST. Georges Industrial Estate, Wilton Road, CAMBERLEY, Surrey, GU15 2QW
• Nexagent
  Thames Tower, Station Road, READING, Berkshire, RG1 1LX
• Nix Technologies
  2 The Courtyard, Eastern Road, BRACKNELL, Berkshire, RG12 2XB
• Nortel Networks UK Pension Trust Ltd
  Maidenhead Office Park, Westacott Way, Littlewick Green, MAIDENHEAD, Berkshire, SL6 3QH
• O2 Store
  260 Bath Road, SLOUGH, Berkshire, SL1 4DX
• O2 UK Ltd
  260 Bath Road, SLOUGH, Berkshire, SL1 4DX
• O2 UK Ltd
  260 Bath Road, SLOUGH, Berkshire, SL1 4DX
• Omnitel
  The Courtyard, 51 ST. Marys Road, WEYBRIDGE, Surrey, KT13 9PX
• Orchid Communications Ltd
  108-109 Liscombe, BRACKNELL, Berkshire, RG12 7DE
• P.R. Communications Company S Ltd
  Gladstone House, 77-79 High Street, EGHAM, Surrey, TW20 9HY
• Pennycom Communications
  Stratfield Place, 149 Victoria Road, ALDERSHOT, Hampshire, GU11 1JR
• Qualcomm Ltd
  Spectrum Point, 279 Farnborough Road, FARNBOROUGH, Hampshire, GU14 7LS
• R F Communications Ltd
  4 Barrett Court, Cardiff Road, READING, Berkshire, RG1 8JR
• Rasmi Telecom
  Hayes Gate House, 27 Uxbridge Road, HAYES, Middlesex, UB4 0JN
• S.I.T.A Telecomunications
  Clock Tower Road, ISLEWORTH, Middlesex, TW7 6DT
• Silver Tongue
  A 6 Upton Lea Parade, Wexham Road, SLOUGH, Berkshire, SL2 5JU
• Sisco Systems
  9-11 New Square, FELTHAM, Middlesex, TW14 8HA
• Skycom Ltd
  The Coliseum, Riverside Way, CAMBERLEY, Surrey, GU15 3YL
• Smart Trust
  112 ST. Leonards Road, WINDSOR, Berkshire, SL4 3DG
• Sphere Communications Centre
  51 Whitley Street, READING, Berkshire, RG2 0EG
• Storacall (Tele Acoustics) Ltd
  Swan House, 69-71 Windmill Road, SUNBURY ON THAMES, Middlesex, TW16 7DT
• Subex Systems
  Winterton House, Nixey Close, SLOUGH, Berkshire, SL1 1ND
• Symbols World Ltd
  Coveham House, Downside Bridge Road, COBHAM, Surrey, KT11 3EP
• Synchronized Communications Ltd
  4 Front House, Stonefield Way, RUISLIP, Middlesex, HA4 0JS
• Syntec Ltd
  The Avenue, LONDON, Greater London, W13 8PH
• T C S (London) Ltd
  17 Pilgrims Way, GUILDFORD, Surrey, GU4 8AD
• Talking Business (Office Supplies) Ltd
  Grantwood House Unit 31, The Ridgeway, IVER, Buckinghamshire, SL0 9HW
• Tawakal Telecom
  8 High Street, Wealdstone, HARROW, Middlesex, HA3 7AA
• Techtronixs Network Systems
  Atrium Court, The Ring, BRACKNELL, Berkshire, RG12 1BW
• Telecom 10
  Lancashire House, 39-43 Monument Hill, WEYBRIDGE, Surrey, KT13 8RN
• Telecom FM Ltd
  895 Plymouth Road, SLOUGH, Berkshire, SL1 4LP
• Telecoms Enterprises Ltd
  James House Mere Park, Dedmere Road, MARLOW, Buckinghamshire, SL7 1FJ
• Telecost
  4 Hernes Estate, Rotherfield Greys, HENLEY ON THAMES, Oxfordshire, RG9 4NT
• Telewest Parliamentary Holdings Ltd
  Export House, Cawsey Way, WOKING, Surrey, GU21 6QX
• Tfmcyntergy
  33 Hanworth Road, SUNBURY ON THAMES, Middlesex, TW16 5DA
• Thales Telecom Services
  Phoenix House, Station Hill, READING, Berkshire, RG1 1NB
• The Brick Development Association Ltd
  47 Castle Street, READING, Berkshire, RG1 7SR
• The Routers Group
  8 The Parade, Sudbury Heights Avenue, GREENFORD, Middlesex, UB6 0LZ
• Tonetel Telecom
  86 Cabell Road, GUILDFORD, Surrey, GU2 8JQ
• Tower Technology Ltd
  270 Bath Road, SLOUGH, Berkshire, SL1 4DX
• Ulidian Networks
  40 Surrey Technology Centre, Occam Road, Surrey Research Park, GUILDFORD, Surrey, GU2 7YG
• Unicall Telecommunications Ltd
  9 Cranley Road, WALTON ON THAMES, Surrey, KT12 5BX
• United Connect Ltd
  25-27 Thames St, HAMPTON, Middlesex, TW12 2EW
• Vanco Net Direct Ltd
  John Busch House, 277 London Road, ISLEWORTH, Middlesex, TW7 5AX
• Vertel UK Ltd
  Old Chambers, 93-94 West Street, FARNHAM, Surrey, GU9 7EB
• Viatel Equipment Ltd
  Inbucon House, Wick Road, Englefield Green, EGHAM, Surrey, TW20 0HR
• Vocality Ltd
  Lydling Barn Lydling Farm, Puttenham Lane, Shackleford, GODALMING, Surrey, GU8 6AP
• Waldon Telecom Ltd
  Yamanouchi House, Pyrford Road, WEST BYFLEET, Surrey, KT14 6YA
• Westlands Communications LLP
  Crowthorne Enterprise Centre Crowthorne Business Estate, Old Wok, CROWTHORNE, Berkshire, RG45 6AW