| Esh Construction | Bowburn, Durham | 5 | 34 |
| Thomas Armstrong Construction | Maryport, Rowlands Gill | 4 | 9 |
| Agne | Scarborough, Stockton on Tees | 3 | 8 |
| Lynch Healthcare | Sunderland | 3 | 3 |
| Suez Recycling & Recovery | Maidenhead, Windsor and Maidenhead | 2 | 15 |
| North East Truck & Van | Stockton-on-Tees, Billingham | 2 | 16 |
| Emtec Energy | North Lanarkshire, Glasgow | 2 | 2 |
| Hta Real Estate | Newcastle upon Tyne, Newcastle | 2 | 2 |
| J&B Recycling | Hartlepool | 2 | 2 |
| South Tyneside & Sunderland NHS Trust | Sunderland | 2 | 2 |
| Perfect Circle | Leicester | 6 | 23 |
| CR Reynolds | Hessle | 3 | 8 |
| JN Bentley | Skipton | 3 | 2 |
| Badger Minibus Hire | Sunderland | 3 | 3 |
| Softcat | Marlow | 2 | 176 |
| Colas | Crawley | 2 | 28 |
| NMCN | Huthwaite | 2 | 13 |
| Morgan Sindall Construction & Infrastructure | Rugby | 2 | 11 |
| Stannah Lift Services | Andover | 2 | 13 |
| Venson Automotive Solutions | Thames Ditton | 2 | 17 |
| Potts Print | Cramlington | 2 | 9 |
| Amalgamated Construction | Barnsley | 2 | 6 |
| Identity Consult | Sunderland | 2 | 8 |
| Farrans Construction | Belfast | 2 | 7 |
| Inc Dot com | York | 2 | 6 |
| Ae Yates | Bolton | 2 | 6 |
| Mclaughlin & Harvey | Mallusk | 2 | 5 |
| Hinko Construction | Bradford | 2 | 13 |
| Saint Gobain Building Distribution | Coventry | 2 | 6 |
| Bam Nuttall | Newcastle upon Tyne | 2 | 5 |
| Cliffe Enterprise | Eastbourne | 2 | 4 |
| Eric Wright Civil Engineering | Preston | 2 | 4 |
| JT Dove | Newcastle upon Tyne | 2 | 4 |
| Hall Construction Services | Rushyford | 2 | 4 |
| Multevo | Darwen | 2 | 4 |
| Prism Medical | Wakefield | 2 | 3 |
| Rainton Construction | Durham | 2 | 11 |
| Billinghurst George & Partners | Stockton | 2 | 2 |
| Elvet Construction Consultants | Durham | 2 | 2 |
| John Sisk | Warrington | 2 | 2 |
| Highway Construction Services | Stockton on Tees | 2 | 3 |
| Howard Civil Engineering | Leeds | 2 | 2 |
| Easibathe | Dunston | 2 | 2 |
| Ashcourt Contracts | Hull | 2 | 2 |
| Aztec Print North East | Washington | 2 | 2 |
| BDN | Durham | 2 | 2 |
| Edwards Architecture | North Tyneside | 2 | 2 |
| Elliott Associates | Gateshead | 2 | 2 |
| Galliford Try Construction | Warrington | 2 | 2 |
| Jones & Brooks | Rochdale | 2 | 2 |
| Largeformat | Sunderland | 2 | 2 |
| Lexon GB Group | Newport | 2 | 2 |
| Meldrum Construction Service Group | Dunston | 2 | 2 |
| Norr Consultants | Cambridge | 2 | 2 |
| Om Group Corporation | Coventry | 2 | 2 |
| PBL Print | County Durham | 2 | 2 |
| Portland Consulting Engineers | Gateshead | 2 | 2 |
| Rwo Associates | Newcastle | 2 | 2 |
| Seymour Civil Engineering | Hartlepool | 2 | 2 |
| Statex Colour Print | Newcastle upon Tyne | 2 | 2 |
| Statex Colur Print | Newcastle upon Tyne | 2 | 2 |
| Storm Tempest | Tyne and Wear | 2 | 2 |
| Terry Lifts | Knutsford | 2 | 2 |
| Thyssenkrupp Home Solutions | Stockton on Tees | 2 | 2 |
| Tilbury Douglas Construction | Birmingham | 2 | 2 |
| Volkerstevin | Preston | 2 | 2 |
| WH Forsters Printers | Sunderland | 2 | 2 |
| Insight Direct | Manchester | 1 | 121 |
| Civica | London | 1 | 86 |
| Phoenix Software | Pocklington | 1 | 93 |
| XMA | Nottingham | 1 | 93 |
| Capita Business Services | Manchester | 1 | 121 |
| WSP | Newcastle upon Tyne | 1 | 132 |
| Specialist Computer Centres | Birmingham | 1 | 122 |
| CDW | London | 1 | 71 |
| Dennis Eagle | Warwick | 1 | 39 |
| European Electronique | Eynsham | 1 | 34 |
| Oracle Corporation | Reading | 1 | 33 |
| Gartner | Egham | 1 | 26 |
| MITIE Property Services | Middlesbrough | 1 | 23 |
| Bloom Procurement Services | Gateshead | 1 | 30 |
| Stone Computers | Stafford | 1 | 24 |
| HSL Compliance | Ross on Wye | 1 | 18 |
| Kier Construction | Hebburn | 1 | 16 |
| Market & Opinion Research | London | 1 | 22 |
| Systra | | 1 | 13 |
| Prism UK Medical | Kirklees | 1 | 14 |
| Whale Tankers | West Midlands | 1 | 11 |
| Cushman & Wakefield | Greater London | 1 | 16 |
| Avison Young | Birmingham | 1 | 12 |
| QA Ltd | Slough | 1 | 12 |
| Capita Property & Infrastructure | | 1 | 21 |
| Lloyd | Carlisle | 1 | 9 |
| Robertson Construction Group | Gateshead | 1 | 11 |
| Pinacl Solutions | Denbighshire | 1 | 8 |
| Lookers | Stockport | 1 | 8 |
| Sovereign Group | Nelson | 1 | 7 |
| Field & Lawn | Runcorn | 1 | 6 |
| Gleeds Cost Management | London | 1 | 5 |
| Cityfibre | London | 1 | 4 |