| Company name | Company reg number | SME/VCS | VCS reg number | Postcode |
|---|---|---|---|---|
| Core Highways (Regions) Ltd | 4410775 | TQ2 8JH | ||
| Hatton Traffic Management Limited | 1272806 | SME | NE13 7BA | |
| HW Martin | 2221214 | DE55 5JY | ||
| Premier Traffic Management | 4114606 | SME | DL16 6TL | |
| Roadsafe Traffic Management Limited | 12186245 | SME | DH6 1PA | |
| RSK Environment Ltd | 115530 | WA6 0AR | ||
| Sunbelt Rentals Limited | 0444569 | WA3 6YE | ||
| Tarmac Trading Limited | 453791 | B37 7ES | ||
| Total Resources UK Limited | SME | LS10 1BL |