| Wolf Laboratories | York, London, Riding Of | 15 | 11 |
| Qiagen | Manchester, North Manchester, Manchester | 19 | 11 |
| CDW | Greater London, London, City of London | 8 | 71 |
| Illumina Cambridge | Cambridge, Great Abington, Granta Park Great Abington | 9 | 20 |
| Scientific Laboratory Supplies | Wilford Industrial Estate, Hessle, East Riding of Yorkshire | 7 | 13 |
| Tecan | Theale, Reading, Theale Reading | 6 | 9 |
| SPT Labtech | Royston, Melbourn, Royston Herts | 5 | 5 |
| Life Technologies | Paisley, Paisley , Inchinnan | 13 | 35 |
| Hologic | Manchester, Wythenshawe | 9 | 7 |
| Stratech Scientific | Ely, Newmarket | 8 | 2 |
| Randox Laboratories | Crumlin, Diamond Road Crumlin Northern | 8 | 8 |
| Malvern Medical Developments | Worcester, Worcestershire, Barbourne Worcester | 6 | 3 |
| Bio Packaging | Coventry, London | 6 | 2 |
| Euroimmun | London, The Broadway Wimbledon London | 5 | 2 |
| Ausdiagnostics | Chesham, Buckinghamshire | 5 | 5 |
| Eurofins Biomnis | Wolverhampton, Hampshire | 5 | 5 |
| Siemens Healthcare Diagnostics | Camberley, Surrey, Surrey Heath | 4 | 9 |
| Promega | Southampton, Test Valley, Chilworth | 4 | 6 |
| Thermofisher Scientific | Newport, Loughborough | 4 | 3 |
| 4Titude | Wotton, Mole Valley | 4 | 4 |
| Cambridge Bioscience | Cambridge, South Cambridgeshire | 4 | 4 |
| Danvers | London, Finchley | 4 | 4 |
| Beckman Coulter | High Wycombe, Wycombe | 3 | 15 |
| Cepheid | Wooburn Green, High Wycombe, Woburn Green | 3 | 6 |
| Northumbria Healthcare NHS Trust | North Shields, Tyne and Wear, Northumbria | 3 | 3 |
| Perkinelmer LAS | Beaconsfield | 7 | 7 |
| Mobidiag | High Wycombe, Slough | 7 | 7 |
| Insight Direct | Sheffield, Uxbridge | 6 | 121 |
| Fisher Scientific | Loughborough, Leics | 6 | 14 |
| Appleton Woods | Birmingham | 6 | 5 |
| Thermo Fisher Diagnostics | Altrincham, Basingstoke | 6 | 4 |
| Solutions for Public Health | Oxford | 6 | 11 |
| Keyair | Aldermaston, Rotherham | 6 | 7 |
| Oxford Immunotec | Abingdon, Oxon | 6 | 6 |
| Becton Dickinson | Wokingham, Reading | 5 | 20 |
| Bgi Genomics | London | 5 | 5 |
| Cambridge Life Sciences | Ely, Cambridgeshire | 5 | 5 |
| Europlaz Technologies | Essex, Southminster | 5 | 5 |
| Boxxe | York | 4 | 7 |
| New England Biolabs | Hitchin, Hertfordshire | 4 | 5 |
| Seqirus | Maidenhead, Victoria | 4 | 3 |
| Biotek Instruments | Cheadle | 4 | 2 |
| CTL Europe | Bonn, Heidekreis | 4 | 4 |
| Promake | London | 4 | 4 |
| Tasso | Seattle Wa, Washington | 4 | 4 |
| Techno Path Distribution | Ballina | 4 | 4 |
| Oxford Biosystems | Abingdon, Oxon | 3 | 3 |
| Agena Bioscience | Hamburg | 3 | 2 |
| Quantumdx Group | Newcastle upon Tyne | 3 | 2 |
| Abcam | Cambridge, Discovery Drive Cambridge | 3 | 3 |
| Associates of Cape Cod | Knowsley | 3 | 3 |
| Bioconnections | Wetherby, Market Place Wetherby | 3 | 3 |
| Genefirst | Abingdon | 3 | 3 |
| Greiner Bio One | Stonehouse, Stroud | 3 | 3 |
| Intertek Testing & Certification | Essex, Brentwood | 3 | 3 |
| Luminex Corporation | Texas | 3 | 3 |
| Opus Recruitment Solutions | Bristol, York | 3 | 3 |
| Pura Diagnostics | Wokingham | 3 | 3 |
| Civica | Dudley, London | 2 | 86 |
| Faithful & Gould | Altro | 2 | 44 |
| Bruker | Coventry, Banner Lane Coventry | 2 | 18 |
| Kantar | Warwick, Ealing | 2 | 16 |
| Frontier Economics | Greater London, London | 2 | 18 |
| SSE Contracting | Vastern Road Reading, Faraday Road Dorcan Swindon | 2 | 10 |
| Venn Group | London, Cottons Centre | 2 | 10 |
| Allied Publicity Services Manchester | Cheadle Heath, Stockport | 2 | 9 |
| Amazon Web Services | London, Seattle | 2 | 7 |
| SSE | Swindon, Perth | 2 | 7 |
| Integra Biosciences | Thatcham, Egham | 2 | 9 |
| Mast Group | Bootle, Bootle | 2 | 4 |
| University Hospitals Birmingham NHS Trust | Birmingham | 2 | 4 |
| Miltenyi Biotec | Bisley, Surrey Heath | 2 | 3 |
| Hamilton Robotics | Birmingham | 2 | 4 |
| Diasorin | Blewbury, Didcot | 2 | 9 |
| Accora | Cambridge | 2 | 3 |
| Capita Resourcing | Basingstoke, London | 2 | 3 |
| Ieh Consulting | Nottingham | 2 | 3 |
| Fairview Health | Greene County, London | 2 | 2 |
| LGC Genomics | Middlesex, Teddington | 2 | 2 |
| North Bristol NHS Trust | Bristol, Bristol, City of | 2 | 2 |
| SH 24 CIC | London, Lambeth | 2 | 2 |
| PCR Biosystems | Archway Road London, London | 2 | 2 |
| Acarrier | Bradford, Thornton | 2 | 2 |
| Alpha Laboratories | Eastleigh, Boyatt Wood Eastleigh | 2 | 2 |
| Biospyder Technologies | California, Carlsbad | 2 | 2 |
| Cambridge Clinical Laboratories | Cambridge | 2 | 2 |
| Clent Life Science | Stourbridge, West Midlands | 2 | 2 |
| Computer Imprintable Label Systems | Hove, Worthing | 2 | 2 |
| Contact People | Liverpool | 2 | 2 |
| Crown Laboratories | London | 2 | 2 |
| Ecolog | London | 2 | 2 |
| Fluxion Biosciences | California | 2 | 2 |
| Fujirebio Europe | Berlin, Gent | 2 | 2 |
| Global Institute for Global Health | Newtown, Nsw | 2 | 2 |
| Hopin | London, London | 2 | 2 |
| HSL Pathology | London | 2 | 2 |
| Imperial College Projects | London, Westminster | 2 | 2 |
| Instituto Clodomiro Picado Universidad de Costa Rica | Costa Rica, San Jose | 2 | 2 |
| Intelsius | Elvington, York | 2 | 2 |
| Invitech | Huntingdon, Huntingdonshire | 2 | 2 |