| Vislink Plc | 01488 685500 | | Marlborough House, Charnham Lane, Hungerford, RG17 0EY |  Map & Directions |
| Adl Ltd | 01256 316580 | | Grove House, Lutyens Close, Lychpit, Basingstoke, RG24 8AG | | Map & Directions |
| Telephone Systems | 0118 947 3334 | | 57 Grove Road, Emmer Green, Reading, RG4 8LJ | | Map & Directions |
| Lafone Telecom Ltd | 0118 982 1188 | | Unit 8, Minerva House, Calleva Park, Aldermaston, Reading, RG7 8NA | | Map & Directions |
| Jdsu | 01256 891400 | | Spinnaker House, Lime Tree Way, Hampshire Int Business Park, Chineham, Basingstoke, RG24 8GG | | Map & Directions |
| Blackford Telecomm Ltd | 01252 844116 | | High Street, Hartley Wintney, Hook, RG27 8NZ | | Map & Directions |
| Worldwide Communications | 0118 926 4450 | | 103 Wokingham Road, Reading, RG6 1LH | | Map & Directions |
| Aggregated Telecom Ltd | 0845 330 0093 | | Sovereign House, Vastern Road, Reading, RG1 8BT | | Map & Directions |
| Converged Technologies Ltd | 01256 393010 | | 12 High Street, Odiham, Hook, RG29 1LG | | Map & Directions |
| Acorn Wireless Ltd | 0870 770 2912 | | 40 Eddington Road, Bracknell, RG12 8GF | | Map & Directions |
| Royce Communications Ltd | 01256 814814 | | 1 Joule Road, Basingstoke, RG21 6XH | | Map & Directions |
| Redwood Technologies Ltd | 01344 304344 | | The Redwood Building, Broad Lane, Bracknell, RG12 9GU | | Map & Directions |
| Gematech Ltd | 0845 345 3333 | | Telford House, Hamilton Close, Basingstoke, RG21 6YT | | Map & Directions |
| Netkit Solutions | 01256 300080 | | Units 7-8, Stroudley Road, Basepoint Enterprise Centre, Basingstoke, RG24 8UP | | Map & Directions |
| Telephone Signallings Ltd | 0800 592 363 | | Po Box 1, Wokingham, RG41 3EU | | Map & Directions |
| Rotec Networks Ltd | 01635 278880 | | Spring Lane, Burghclere, Newbury, RG20 9NE | | Map & Directions |
| Packet Data Systems Ltd | 0118 984 5944 | | Po Box 48, Pangbourne, Reading, RG8 7EG | | Map & Directions |
| Wilcom-Systems.Com | 01491 681197 | | Ploughmans, Whitehall Lane, Checkendon, Reading, RG8 0TN | | Map & Directions |
| Net To Net Technologies | 01635 570950 | | Victoria House, 19 Park Way, Newbury, RG14 1EE | | Map & Directions |
| M Sys Telecom | 01344 751618 | | Crowthorne Enterprise Centre, Old Wokingham Road, Crowthorne Business Estate, Crowthorne, RG45 6AW | | Map & Directions |
| Soft-Ex Uk Ltd | 0118 981 5555 | | Unit 3b Juno House, Calleva Park, Aldermaston, Reading, RG7 8RA | | Map & Directions |
| Mcgurk | 01344 776714 | | St. Michaels Cottages, Old Wokingham Road, Wokingham, RG40 3DU | | Map & Directions |
| Ip Integration Ltd | 0118 918 4600 | | Attenborough House, 15 Bennet Road, Reading, RG2 0QX | | Map & Directions |
| Telecom Tactics & Systems Ltd | 01344 381200 | | 21 Horndean Road, Bracknell, RG12 0XQ | | Map & Directions |
| Groupe Path Finder | 01256 330366 | | Unit 1 Ringway Centre, Edison Road, Basingstoke, RG21 6YH | | Map & Directions |
| Berkshire Telephone Systems Ltd | 01491 682552 | | Po Box 4229, Goring, Reading, RG8 9XT | | Map & Directions |
| Teltrend Ltd | 01256 843311 | | Ringway House, Bell Road, Basingstoke, RG24 8FB | | Map & Directions |
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