| Name | Contractor | Service | Constituency | Region |
|---|
| A E Clements & Company Ltd | Structures, bridges and highways | Temporary electrics | Upminster | East of England |
| Actaccom Ltd | Structures, bridges and highways | Accommodation | Dewsbury | Yorkshire and the Humber |
| Adam Cundell Engineers Plant | Structures, bridges and highways | Drainage and buried services | Daventry | South East |
| Adler & Allan Ltd (4) | Structures, bridges and highways | Supply of fuel oils | West Ham | London |
| AGD Equipment Ltd | Structures, bridges and highways | Piling - sheet | Stratford-Upon-Avon | West Midlands |
| Aggregate Industries UK Ltd (2) | Structures, bridges and highways | Aggregates | North West Leicestershire | East Midlands |
| Aggregate Industries UK Ltd (3) | Structures, bridges and highways | Flexible surfacing | Greenwich and Woolwich | London |
| Aggregate Industries UK Ltd (4) | Structures, bridges and highways | Aggregates | North West Leicestershire | East Midlands |
| Aggregate Industries UK Ltd (5) | Structures, bridges and highways | Surfacing works | Surfacing works | East Midlands |
| Aggregate Industries UK Ltd (6) | Structures, bridges and highways | Ready mixed concrete | North West Leicestershire | East Midlands |
| Aggregate Industries UK Ltd (7) | Structures, bridges and highways | Ready mixed concrete | North West Leicestershire | East Midlands |
| Ainscough Crane Hire Ltd (1) | Structures, bridges and highways | Crane hire | Wigan | North West |
| Ainscough Crane Hire Ltd (2) | Structures, bridges and highways | Plant Hire | Wigan | North West |
| Allum Plant Hire | Structures, bridges and highways | | Huntingdon | East of England |
| AOK Printers Ltd | Structures, bridges and highways | Print services | Erith and Thamesmead | London |
| ArcelorMittal | Structures, bridges and highways | Steel wire | Gillingham | South East |
| Arco Ltd (1) | Structures, bridges and highways | Safety equipement supply | Kingston upon Hull East | Yorkshire and the Humber |
| Arnold Laver & Co Ltd (2) | Structures, bridges and highways | Formwork reinforced concrete | Reading West | South East |
| Arnold Laver & Co Ltd (3) | Structures, bridges and highways | | Reading West | South East |
| Ashtead Plant Hire Co. Ltd (1) | Structures, bridges and highways | Equipment hire | North Walsall | West Midlands |
| Ashtead Plant Hire Co. Ltd (3) | Structures, bridges and highways | Plant hire | Warrington North | North West |
| ATI Tank Hire Ltd | Structures, bridges and highways | Polymer and water tanks | Waveney | East of England |
| Atkins Ltd | Structures, bridges and highways | Consultancy Services | Holborn and St. Pancras | London |
| B & B Mould Manufacturers (1) | Structures, bridges and highways | Precast concrete terrace units | Taunton | South West |
| Bachy Solentache Ltd (1) | Structures, bridges and highways | Piling | West Lancashire | North West |
| Balfour Beatty Group Ltd | Structures, bridges and highways | | Cities of London and Westminster | London |
| BAM Nuttall Ltd (2) | Structures, bridges and highways | | Surrey Heath | |
| Bam Ritchies | Structures, bridges and highways | River based site investigation | Surrey Heath | South East |
| Barhale Construction Plc (1) | Structures, bridges and highways | Sewer diversion | Walsall South | West Midlands |
| BASF Construction Chemicals (UK) Ltd | Structures, bridges and highways | | Cheadle | West Midlands |
| BBM | Structures, bridges and highways | | Faversham and Mid Kent | South East |
| Beaver | Structures, bridges and highways | Hire and sale of scaffold components | Thurrock | East of England |
| Binns Fencing Ltd | Structures, bridges and highways | Security fencing | Hertsmere | East of England |
| Blok N Mesh (1) | Structures, bridges and highways | | Walthamstow | London |
| Bluebay Building Products Ltd (1) | Structures, bridges and highways | | Luton North | East of England |
| Bluebay Building Products Ltd (2) | Structures, bridges and highways | Reinforced concrete | Cardiff South and Penarth | Wales |
| Boc Ltd | Structures, bridges and highways | | Eccles | North West |
| BRC Ltd (1) | Structures, bridges and highways | Reinforced earth | Stratford-on-Avon | West Midlands |
| BRC Ltd (2) | Structures, bridges and highways | Reinforcement | Barnsley West and Penistone | Yorkshire and the Humber |
| BRC Ltd (3) | Structures, bridges and highways | Reinforcement | Barnsley West and Penistone | Yorkshire and the Humber |
| Brett Lanscaping Ltd | Structures, bridges and highways | | Loughborough | East Midlands |
| Brooks Bros (UK) Ltd (1) | Structures, bridges and highways | | Maldon and East Chelmsford | East of England |
| Broughton Controls Ltd | Structures, bridges and highways | Office CCTV/security | Oldham East and Saddleworth | North West |
| Buildspan ltd (1) | Structures, bridges and highways | Precast concrete terrace units | North East Derbyshire | East Midlands |
| Burdens Ltd (2) | Structures, bridges and highways | Drainage and Buried Services | Thurrock | East of England |
| Burdens Ltd (3) | Structures, bridges and highways | Kerb Drainage Units | Northavon | South West |
| Bureau Veritas UK Ltd (2) | Structures, bridges and highways | Specialist testing | Uxbridge | London |
| Camfaud Concrete Pumps | Structures, bridges and highways | Concrete pumping | Epping Forest | East of England |
| Canon (UK) Ltd | Structures, bridges and highways | | Reigate | South East |
| Capita Symonds Ltd (1) | Structures, bridges and highways | Consultancy services | Cities of London and Westminster | London |
