UK Phone Systems

263 Burnt Oak, HA8 5ED, London - 263 Burnt Oak, London, UK HA8 5ED, 020 3819 3001

31E Cellular

Westwo West Gate, W51XP, London, 020 8601 3300

3C

Old St 40 Marsh Wall, E149TP, London, 020 7538 2012

3togo

1 Pros 15A Gerrard Street, W1D6JD, London, 020 7734 6366

A C & T Computer Supplies

Flat 1 Munster Square, NW13PJ, London, 020 7388 5688

A R Q Communications

Unit A 8 Moorgate, EC2R6DA, London, 020 7776 9900

A T M T

Unit 1 Great Central Way, NW100UR, London, 0870 922 1114

Advanced Video Technologies Ltd

Bow Ho 28 Red Post Hill, SE249JQ, London, 020 7501 9666

Alternative Networks Ltd

Doncas 56 Chatfield Road, SW113UL, London, 0800 316 8866

Analysys

Turret 20-23 Greville Street, EC1N8SS, London, 020 7061 3700

Answer Communications

Site 2 1 Colney Hatch Lane, N101EA, London, 020 7916 5000

Association Of Call Handling

3 The George Lane, E181BD, London, 020 8989 0677

BRC Consultancy

Berkel Berkeley Square, W1J6BD, London, 020 7887 6066

Blue Saffron

Shakes 168 Lavender Hill, SW115TF, London, 0870 802 0202

Brand Communications Co (UK) Ltd

Burlei 50 Long Acre, WC2E9JR, London, 020 7379 4222

Brecknock Telecommunication

Neuadd 29 Brecknock Road, N70BT, London

Bridgegate Communications Ltd

Northw 1379 High Road, N209LP, London, 020 8446 6778

Card & Go

Unit 6 63 Camden High Street, NW17JL, London, 020 7383 0933

Cartesian Ltd

The De Gate Street, WC2A3HP, London, 020 7643 5555

Catalyst Ltd

Weston 31 Paxton Road, W42QT, London, 020 8742 8035

Cicero Strategy

6 St. Petersburgh Place, W24JY, London, 020 7229 3256

Ciena Ltd

Ciena 43-51 Worship Street, EC2A2DX, London

City Lifeline Ltd

Lifeli 80 Clifton Street, EC2A4HB, London, 020 7247 6066

Clarion Communication Management Ltd

Unit 1 69 St. Marks Road, W106JG, London, 0845 644 4385