| Company name | Company reg number | SME/VCS | VCS reg number | Postcode |
|---|---|---|---|---|
| A E Yates | 0415632 | SME | BL6 4SB | |
| Amalgamated Construction Ltd | 0995892 | S75 1HT | ||
| Ashcourt Contracts Ltd | 6856507 | SME | HU6 7SD | |
| BAM Nuttall Limited | 305189 | GU15 3XW | ||
| C R Reynolds Ltd | 1772107 | SME | HU13 0EY | |
| Colas Ltd | 2644726 | B37 7YB | ||
| Eric Wright Civil Engineering Ltd | 2565379 | PR5 6AW | ||
| Esh Construction Ltd | 2529939 | DH6 5PF | ||
| Farrans Construction trading as a division of Northstone (NI) Limited | NI4078 | SG8 0SS | ||
| Galliford Try Infrastructure Limited | SCO55775 | LE10 3JH | ||
| Hall Construction Services Ltd | 2076179 | SME | DL17 0NF | |
| Highway Construction Services Ltd | 4084596 | SME | TS18 2SL | |
| Hinko Construction Ltd | 09927180 | SME | N/A | BD6 1SA |
| Howard Civil Engineering | 4656708 | SME | LS14 6UF | |
| JN Bentley Ltd | 1085646 | BD23 2QR | ||
| John Sisk & Son (Holdings) Ltd | 241278 | WA1 1RL | ||
| Keltbray Highways Ltd | 0425188 | NG15 0ED | ||
| McLaughlin & Harvey Ltd | NI27864 | BT36 4TY | ||
| Meldrum Construction Services Ltd | 4250084 | SME | NE11 9JW | |
| Morgan Sindall Construction & Infrastucture Limited | 4273754 | CV21 2DW | ||
| Multevo Ltd | 7308583 | SME | BB3 1AT | |
| Rainton Construction Ltd | 2699545 | DH1 2RS | ||
| Seymour Civil Engineering Contractors Ltd | 1374637 | SME | TS24 0UX | |
| Thomas Armstrong (Construction) Ltd | 0818913 | CA15 8RY | ||
| Tilbury Douglas Construction Limited | 303359 | EC3M 1HD | ||
| VolkerStevin Infrastructure Limited | 00288392 | PR2 5PE | ||
| VolkerStevin Ltd | 0288392 | PR2 5PE |