| Dell Corporation | Bracknell, Bracknell Forest, Kingston upon Hull, City of | 119 | 95 |
| Dell Computer Corporation | Bracknell, Glasgow | 14 | 13 |
| Dell Computer Corporation Berks | Bracknell | 3 | 3 |
| Insight Direct | Sheffield, London, Uxbridge | 12 | 121 |
| XMA | Nottingham, Wilford, St Albans | 10 | 93 |
| Softcat | Marlow | 10 | 176 |
| CDW | London | 9 | 71 |
| Stone Computers | Stafford | 7 | 24 |
| Phoenix Software | Pocklington, Leatherhead, York | 6 | 93 |
| Specialist Computer Centres | Birmingham | 6 | 122 |
| CCS Media | Nottingham, Chesterfield | 6 | 17 |
| Computacenter | Hatfield, Llanishen | 5 | 118 |
| Lenovo Technology | Hook, Sandhurst | 4 | 4 |
| Bytes Software Services | Leatherhead | 3 | 70 |
| Centerprise | Basingstoke | 3 | 48 |
| Academia | Enfield | 3 | 30 |
| Haemonetics | Harrow, South Lanarkshire, Luton | 3 | 6 |
| Fujifilm | Bedford | 3 | 2 |
| Riomed | Eastleigh, East Links | 3 | 3 |
| European Electronique | Eynsham, Oxford | 4 | 34 |
| Ergo Computing | Nottingham, Edwalton | 4 | 3 |
| Computeam | Stockport | 4 | 4 |
| Novatech | Cosham, Portsmouth | 4 | 4 |
| Fujitsu Services | London | 3 | 12 |
| Software Box | York | 2 | 89 |
| Trustmarque Solutions | London | 2 | 30 |
| IBM | Portsmouth | 2 | 34 |
| Ricoh | Northampton | 2 | 19 |
| Probrand | Birmingham | 2 | 17 |
| Softwareone | Richmond, Wimbledon | 2 | 25 |
| Kainos Software | Belfast | 2 | 16 |
| Abbott Laboratories | Berkshire, Windsor and Maidenhead | 2 | 14 |
| Total Computer Networks | Kettering | 2 | 12 |
| Roche Diagnostics | Burgess Hill, Mid Sussex | 2 | 13 |
| GE Medical Systems | Chalfont St Giles | 2 | 13 |
| Getech | Ipswich | 2 | 8 |
| Bechtle Direct | Chippenham | 2 | 8 |
| Egton Medical Information Systems | Rawdon, Leeds | 2 | 8 |
| Hospital Services | Belfast | 2 | 8 |
| Siemens Healthcare | Camberley | 2 | 6 |
| Mti Technology | Edinburgh | 2 | 5 |
| System C Healthcare | Maidstone | 2 | 5 |
| Faculty Science | London | 2 | 7 |
| Keymed Medical Industrial Equipment | Southend on Sea | 2 | 4 |
| Sectra | Essex, Bishops Stortford | 2 | 4 |
| Guerbet Laboratories | Solihull, West Midlands | 2 | 3 |
| Servelec Healthcare | Sheffield, North East Derbyshire | 2 | 3 |
| Canon Medical Systems | Crawley | 2 | 4 |
| Elekta | Crawley | 2 | 3 |
| Philips Electronics | Guildford, The Philips Centre | 2 | 3 |
| Cantel | Shoeburyness, Southend on Sea | 2 | 2 |
| Clinisys Solutions | Chertsey, Twobridges | 2 | 2 |
| Fortrus | Stevenage, Bessemer Drive | 2 | 2 |
| Healthcare Software Solutions | Mansfield | 2 | 2 |
| Maquet | Sunderland, Tyne and Wear | 2 | 2 |
| Synapps Solutions | Hatfield | 2 | 2 |
| Kingsfield Computer Products | Northampton | 2 | 7 |
| Integrated Software Solutions | London, Staple Gardens | 2 | 2 |
| Graphnet Health | Milton Keynes | 2 | 2 |
| Information Data & Network Supplies | Bolton | 2 | 2 |
| Agfa Healthcare IT | Uxbridge | 2 | 2 |
| Aidence | Amsterdam | 2 | 2 |
| Aptvision | County Dublin, West Midlands | 2 | 2 |
| Avante IT | London | 2 | 2 |
| Bema Cyber TECH | London | 2 | 2 |
| Biotronics 3D | London | 2 | 2 |
| Bridgehead Software | Ashtead | 2 | 2 |
| Cad Care Private | Oldham | 2 | 2 |
| Cardiologic | Thirsk, Hambleton | 2 | 2 |
| CGM Clinical Deutschland | Koblenz | 2 | 2 |
| Change Healthcare UK Holdings | London, Brent Cross Gardens | 2 | 2 |
| Cievert | Gateshead | 2 | 2 |
| Cirdan | Lisburn | 2 | 2 |
| Desk Top Publishing Micro Systems | Leeds | 2 | 2 |
| DMF Systems | Damastown, Mulhuddart | 2 | 2 |
| E Health Innovations | Mansfield | 2 | 2 |
| Euroking Maternity Software Solutions | Mansfield, Chertsey | 2 | 2 |
| HD Clinical | Bishops Stortford | 2 | 2 |
| Health Net Connections | Ilford, Aldershot | 2 | 2 |
| Huawei Technologies | Huawei Technologies Uk Ltd, Reading | 2 | 2 |
| Immj Systems | Stansted, London | 2 | 2 |
| Insight Systems | Wrotham | 2 | 2 |
| Insignia Medical Systems | Basingstoke, Basingstoke and Deane | 2 | 2 |
| Inspirata Europe | Maidenhead | 2 | 2 |
| Interlerad | London | 2 | 2 |
| Karl Storz Endoscopy | Dundee, Slough | 2 | 2 |
| Mdi Medical NI | Belfast | 2 | 2 |
| Medical Data Solutions & Services | Rusholme, Manchester | 2 | 2 |
| Medical Imaging Systems | London | 2 | 2 |
| Mim Software Brussels | Cleveland, Science Park Drive | 2 | 2 |
| Oituk | Milton Keynes | 2 | 2 |
| Omega Surgical Instruments | Walton on Thames, Elmbridge | 2 | 2 |
| Pacshealth | London | 2 | 2 |
| Parity Computers | Liverpool | 2 | 2 |
| Punch Technology | Liverpool | 2 | 2 |
| Qaelum NV | Leuven, Science Park Arenberg | 2 | 2 |
| Quadramed Europe | Sandhurst | 2 | 2 |
| Rivendale Systems | Newbury | 2 | 2 |
| Soliton IT | Hemel Hempstead, Dacorum | 2 | 2 |
| Spiral Medical Tehnologies | London | 2 | 2 |