| Waterstons - Liddon House |
| Waterstar - Chester House |
| Systematic Computers - Block One |
| Sun Micro Systems - Units 27-30 |
| Service Computing 1 - 9 Knaresdale |
| Rising Sun Computers - 6 Acton Dene |
| Resisystems Ltd - 18 Exeter Drive |
| Protec (UK) Computer Services - 62 High Street |
| Problem P C Ltd - 78 Faulkner Rd |
| Peterlee Computer Systems Ltd. - 16 Lister Road |
| Performance Computers (Northeast) Ltd. - 10-11 Post House Wynd |
| pctrends - 20 Garden Terrace |
| Pc Giant - 29a South Burns Durham County Durham |
| Net-Wrx Ltd - PO Box 10 |
| Nectar - Artemis Court |
| MR-COMPUTERMAN - 2 Merlin Court |
| Mill House - Enterprise House |
| Mikom - 110 Parkgate |
| Mbits IT Services - 75 Cobden St |
| Matrix Computing Solutions Ltd - 52 Hedley Hill Ter |
| Magnum Northern - 19 Croftside |
| M D S Computers - 326 North Road |
| Lee-Capelle - 10 Maplewood Court |
| Lapwing Computers - Cowshill |
| Jigsaw Computers - 6 Acton Dene |
| Jaytec Systems - 1 Woodside View |
| Infocomp Ltd. - 43 Front Street |
| Honey Pot Pc Repairs(Northern) - 65 Woodside |
| Harrison Computer Systems - 38 High St South |
| Harrison Computer Systems - 38 High St South |
| Gold Electronic Maintenance - Unit G11-G12/West Wing/Prospect Business Park/Crookhall La |
| GKM Technical Services & Computer Supplies Ltd - Unit 14 |
| Gallium - 225 Newgate Street |
| G.C Electronics Computer Workshop - 66-68 Medomsley Road |
| Footprints Computers - 130A Newgate Street |
| Exchange Computers Ltd - Unit 3 |
| E S Systems Ltd - Fulforth |
| Durhamcity Net Ltd - Old Co-operative Buildings/2 Front St |
| Durham Office Systems - Unit 1 Derwentside Business Complex,Conset |
| Durham Computer Centre Ltd. - 6 New Elvet |
| Durham Computer Centre Ltd - 6 New Elvet |
| Dunelm Systems Ltd - 103 Cromarty |
| DC Services Ltd - 29 Colville Ct |
| Datam Online Ltd - Enterprise House/Enterprise City/Meadowfield Av |
| Corporate Express (UK) Ltd. - Unit 22j Dragonville Industrial Estate |
| Contrast - Units 30-31 |
| Comtek - 42 Galgate |
| Comtek - 3 Beveridge Arcade |
| Computer Technology Services - 75 Willowtree Avenue |
| Computer Solutions - 4 St Gregory Close |
| Cleveland Systems Ltd. - 101 Cockerton Grn |
| Bondgate I T Services Ltd. - 51-52 Bondgate |
| Bbe Computers - Unit 6 Lister Road |
| Auston Internet - Unit 7 |
| Advanced Systems House - 31 Woodland Rd |
| A19 Computers - PO Box 168 |
| A1 Computer Systems - 196 West Auckland Road |
| 1 MB Computers - 8 Hendren Cl |
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