| Medtronic | Watford, Three Rivers, Hertfordshire | 11 | 14 |
| Cook | Limerick, Co Leitrim | 4 | 5 |
| Boston Sceintific | Hemel Hempstead, Hertfordshire, Herts | 4 | 4 |
| NHS Supply Chain | Amber Valley, Alfreton, London | 16 | 14 |
| GE Medical Systems | Chalfont St Giles, Buckinghamshire, Little Chalfont | 10 | 13 |
| Philips Healthcare | Guildford, Guildfors | 8 | 7 |
| Intuitive Surgical | Sheffield, Oxford | 7 | 3 |
| Bracco | Buckinghamshire, High Wycombe | 6 | 2 |
| Bard | Crawley, West Sussex | 4 | 7 |
| Cardinal Health UK 432 | Bucks, High Wycombe | 4 | 5 |
| Terumo | Bagshot, Surrey | 4 | 4 |
| Apr Medtech | Oxon, Thame, Thames | 4 | 4 |
| Mindray | Cambs, Combs, Huntingdon | 3 | 3 |
| Maquet | Tyne and Wear, Sunderland, Tyne Wear | 3 | 2 |
| Leica Microsystems | Breckland, Milton Keynes | 6 | 16 |
| Pentax | Slough | 5 | 4 |
| Echosens | Altrincham, Ile de France | 5 | 2 |
| Abbott Laboratories | Maidenhead, Berkshire | 3 | 14 |
| Boston Scientific | Hemel Hempstead, Hertfordshire | 3 | 12 |
| Siemens Healthcare Diagnostics | Surrey Heath, Camerley | 3 | 9 |
| Agfa Healthcare | Brentford, Vantage West | 3 | 4 |
| Aquilant | Basingstoke, Hampshire | 3 | 3 |
| Merit Medical | Coatbridge, Lanarkshire | 3 | 2 |
| Biocartis NV | Mechelen | 3 | 3 |
| BVM Medical | Hinckley and Bosworth, Hinckley | 3 | 3 |
| Hitachi Medical Systems | Pk Farm Industrial Estate, Northampton | 3 | 3 |
| Mana TECH | Burton on Trent, Staffordshire | 3 | 3 |
| Soliton IT | Dacorum, Hemel Hempstead | 3 | 3 |
| Softcat | Marlow, Buckinghamshire | 2 | 176 |
| CSC Computer Sciences | Preston Technology Centre, Aldershot | 2 | 22 |
| Healthcare Communications | Macclesfield, Cheshire East | 2 | 8 |
| Cepheid | Buckinghamshire, High Wycombe | 2 | 6 |
| Veolia Energy & Utility Services | Wakefield, Portsmouth | 2 | 3 |
| Lex Autolease | West Midlands, Bury | 2 | 2 |
| Karl Storz Endoscopy | Dundee, Slough | 2 | 2 |
| Kimal | Arundel Road Uxbridge, Middlesex | 2 | 2 |
| WL Gore & Associates | Livingston | 2 | 2 |
| Kcom Group | Hull | 15 | 13 |
| Stryker | Newbury | 7 | 13 |
| Trustmarque Solutions | York | 6 | 30 |
| Bayer | Reading | 5 | 14 |
| Fujifilm Sonosite | London | 4 | 4 |
| Guerbet Laboratories | Solihull | 3 | 3 |
| Clinisys Solutions | Chertsey | 3 | 2 |
| Corndel | London | 3 | 3 |
| Genesis Automation | Bromsgrove | 3 | 3 |
| Jones & Brooks | Rochdale | 3 | 3 |
| Oncology Systems | Shrewsbury | 3 | 3 |
| Dell Corporation | Bracknell Forest | 2 | 95 |
| Hamilton Sales & Service | Birmingham | 2 | 7 |
| Varian Medical Systems | Crawley | 2 | 6 |
| Abbott Medical | West Midlands | 2 | 6 |
| Livanova | Tewkesbury | 2 | 5 |
| Emis Health | Leeds | 2 | 6 |
| Cityfibre | London | 2 | 4 |
| Olympus Keymed | Southend-on-Sea | 2 | 4 |
| Canon Medical Systems | Crawley | 2 | 4 |
| Philips Electronics | The Philips Centre | 2 | 3 |
| Labcold | Basingstoke and Deane | 2 | 2 |
| Biocompatibles | Farnham | 2 | 2 |
| Kingston Cleaning | Hull | 2 | 2 |
| Apc Cardiovascular | Hartford | 2 | 2 |
| Aquilant Endoscopy | Basingstoke | 2 | 2 |
| Cohort Software | Eleven Brindleyplace | 2 | 2 |
| DH Opco | Aldershot | 2 | 2 |
| Kinetic Id | Storrington | 2 | 2 |
| Lifecycle Management Group | Oxford | 2 | 2 |
| Mermaid Medical | Merseyside | 2 | 2 |
| Mri Devices | Harrogate | 2 | 2 |
| Pennamed | Melton | 2 | 2 |
| Public View | Newark | 2 | 2 |
| UK Medical | Sheffield | 2 | 2 |
| Varian | Elmbridge | 2 | 2 |
| Variphy | Lafayette | 2 | 2 |
| Verathon Medical | Buckinghamshire | 2 | 2 |
| Phoenix Software | York | 1 | 93 |
| Becton Dickinson | Wokingham | 1 | 20 |
| Manchester University | Manchester | 1 | 15 |
| B Braun Medical | Sheffield | 1 | 12 |
| Public Health England | Barnet | 1 | 11 |
| Leaseplan | Slough | 1 | 8 |
| Fresenius Medical Care | Sutton in Ashfield | 1 | 7 |
| Siemens Healthcare | Camberley | 1 | 6 |
| Hologic | Manchester | 1 | 7 |
| Olympus Keymed Group | Southend-on-Sea | 1 | 7 |
| Haemonetics | Coventry | 1 | 6 |
| Barcode Warehouse | Telford Drive | 1 | 5 |
| Biomerieux | Basingstoke and Deane | 1 | 4 |
| Leeds Teaching Hospitals NHS Trust | Bradford | 1 | 4 |
| Linet | Fareham | 1 | 4 |
| Grifols | Cambridge | 1 | 4 |
| EBSCO Information Services | Enfield | 1 | 7 |
| Ea Foulds | Colne | 1 | 4 |
| Sectra | London | 1 | 4 |
| Thermo Fisher Diagnostics | Milton Keynes | 1 | 4 |
| Hac Technical Gas Services | Thurmaston | 1 | 3 |
| Hill Rom | Ashby de La Zouch | 1 | 3 |
| Otis | Leicester | 1 | 3 |
| Werfen | Birchwood | 1 | 3 |
| Xstrahl | Camberley | 1 | 3 |