| Esh Construction | Bowburn, Durham, County Durham | 31 | 34 |
| Novus Property Solutions | Stoke on Trent, Staffordshire | 4 | 32 |
| J Tomlinson | Nottingham, Birmingham | 4 | 16 |
| Engie Regeneration | Hebburn, Newcastle upon Tyne | 4 | 40 |
| Morgan Sindall Construction & Infrastructure | London, Rugby | 4 | 11 |
| Straightline NE | Brunswick Village, Newcastle upon Tyne | 4 | 2 |
| Galliford Try Construction | Warrington, Middlesex, Uxbridge | 4 | 4 |
| Openview Security Solutions | Essex, Boldon Colliery, Romford | 3 | 33 |
| Wates Construction | Leatherhead, Surrey, Birmingham | 3 | 24 |
| Interserve Construction | Birmingham, Interserve Construction Limited | 3 | 14 |
| Kier Services | Bedfordshire, Sandy | 3 | 12 |
| Thomas Armstrong Construction | Maryport, Rowlands Gill | 4 | 9 |
| Bell Decorating Group | North Shields, Orpington | 3 | 33 |
| MITIE Property Services | Middlesbrough | 3 | 23 |
| Hodgson Sayers | Stanley | 3 | 9 |
| John Flowers | Washington | 3 | 9 |
| Morris & Spottiswood | Glasgow | 3 | 7 |
| Farrans Construction | Belfast, Dunmurry | 3 | 7 |
| Mclaughlin & Harvey | Mallusk, County Antrim | 3 | 5 |
| Pacifica Home Services | Houghton le Spring | 3 | 5 |
| Springs Roofing | County Durham, Chester le Street | 3 | 5 |
| M&J Group Construction & Roofing | Bedford | 3 | 3 |
| Vision Building Services | Stockton, Stockton on Tees | 3 | 4 |
| John Sisk | Warrington, St Albans | 3 | 2 |
| Chap Group Aberdeen | Westhill, Aberdeenshire | 3 | 3 |
| GV Decorators | Middlesbrough | 3 | 3 |
| James Macqueen Building Contractors | Isle of Skye, Inverness | 3 | 3 |
| RC Ayres Building & Roofing Services | Middlesbrough | 3 | 3 |
| Sunter | Hetton le Hole | 3 | 3 |
| Warsett | Redcar, Saltburn by the Sea | 3 | 3 |
| Seddon Construction | Bolton | 2 | 20 |
| Pennington Choices | Cheshire, Warrington | 2 | 18 |
| VINCI Construction | Hertfordshire, Watford | 2 | 23 |
| HSL Compliance | Herefordshire, Ross on Wye | 2 | 18 |
| Concept Elevators | Staffordshire, Cannock | 2 | 15 |
| Lift Engineering Services | West Midlands | 2 | 15 |
| Chubb Fire Security | Middlesex, Sunbury on Thames | 2 | 12 |
| Adt Fire Security | Middlesex, Sunbury on Thames | 2 | 11 |
| Woods Building Services | Essex, Harlow | 2 | 9 |
| Rhodar | Leeds | 2 | 11 |
| Mchale Contracts Plant Environmental | Bradford | 2 | 10 |
| Bellrock Property & Facilities Management | Leicester | 2 | 8 |
| Power Control | Glasgow, Sheffield | 2 | 8 |
| Asbestech | Hatfield | 2 | 6 |
| Macdonald Martin | Sunderland, Tyne and Wear | 2 | 8 |
| Pickerings Europe | Cleveland, Stockton on Tees | 2 | 5 |
| RG Carter Cambridge | Norfolk, Norwich | 2 | 13 |
| Consortia Integrated Services | Liverpool, Riverside Drive | 2 | 5 |
| Trinity Fire Security Systems | Castleford, Exeter | 2 | 5 |
| Clearwater Technology | London, Frimley | 2 | 4 |
| Lar | Stockport | 2 | 4 |
| Geze | North Shields, Lichfield | 2 | 6 |
| Atlas Copco Medical | Derbyshire, Staveley | 2 | 4 |
| Sayes Service | Leeds | 2 | 4 |
| Sekura Trade Frames | Washington, Tyne and Wear | 2 | 4 |
| SHJ Hospital Pipelines | Buckinghamshire, Chesham | 2 | 5 |
| Hla Services | Boldon | 2 | 4 |
| Ventro Group | Plymouth | 2 | 4 |
| GF Tomlinson Building | Little Eaton, Little Eaton Derby | 2 | 3 |
| Hac Technical Gas Services | Mansfield, Leicester | 2 | 3 |
| Osborne Delta Lightning Conductors | Oldham | 2 | 3 |
| Liveco | Bishop Auckland, Bishop Aukland | 2 | 8 |
| Crowther Shaw | Huddersfield | 2 | 4 |
| EE Thompson | Preston | 2 | 3 |
| Record | Blantyre | 2 | 3 |
| AC Electrical North | Stockport | 2 | 2 |
| Airco Refrigeration Air Conditioning | Hull | 2 | 2 |
| Derby Cold Stores | Illkeston, Ilkeston | 2 | 2 |
| Fox Industrial Doors | Leeds | 2 | 2 |
| Johnson Controls Building Efficiency | Hampshire, Gateshead | 2 | 2 |
| Legionella Control | Macclesfield, Manchester | 2 | 2 |
| Stanley Security | Swindon | 2 | 2 |
| ISS Facility Services Healthcare | Weybridge | 2 | 2 |
| Aircon Refrigeration | Thornaby, Middlesbrough | 2 | 2 |
| Click 24 | Rochdale, Greater Manchester | 2 | 2 |
| Conamar Building Services | Herts, Stevenage | 2 | 2 |
| Ea Foulds Limted | Lancashire, Colne | 2 | 2 |
| Eeuk | Staffordshire, Newcastle under Lyme | 2 | 2 |
| Esc Global | Doncaster | 2 | 2 |
| Evolution Technical Services | Elland, Calderdale | 2 | 2 |
| Ip24 | Rochdale | 2 | 2 |
| John Wright Electrical Mechanical Services | York | 2 | 2 |
| Lantern Fire & Security | Crewe, Business and Technology Centre | 2 | 2 |
| Machenair | Ossett, Wakefield | 2 | 2 |
| Oracle Vision | Wakefield, Nostell | 2 | 2 |
| Robinsons Facilities Services | Harrogate | 2 | 2 |
| Rothwells | York | 2 | 2 |
| SMD Electrical Contractors | Staffordshire, Stoke-on-Trent | 2 | 2 |
| Total Integrated Solutions | Mansfield | 2 | 2 |
| Trios Facilities Management | Surrey, Erdington | 2 | 2 |
| Vigil Security Systems | Sheffield | 2 | 2 |
| Colas | Crawley | 2 | 28 |
| Ian Williams | Morley | 2 | 19 |
| Sure Maintenance | Liverpool | 2 | 23 |
| NMCN | Huthwaite | 2 | 13 |
| Trident Maintenance Services | Coatbridge | 2 | 10 |
| Lovell Partnerships | Glasgow | 2 | 12 |
| Amalgamated Construction | Barnsley | 2 | 6 |
| Engie | Glasgow | 2 | 10 |
| Gas Call Services | Speke | 2 | 8 |