| Name | Total Supplied | |
|---|---|---|
| KIER HIGHWAYS LIMITED | £8,897,369 | |
| RINGWAY INFRASTRUCTURE SERVICES LIMITED | £2,843,791 | |
| AMEY HIGHWAYS LIMITED | £1,461,567 | |
| Balfour Beatty Civil Engineering Limited | £1,376,106 | |
| AMEY OW LIMITED | £1,190,557 | |
| TELENT TECHNOLOGY SERVICES LIMITED | £1,130,258 | |
| CH2M COSTAIN JOINT VENTURE (CHC) (AREA 14 M&C) | £465,980 | |
| IBI GROUP (UK) LIMITED | £427,500 | |
| A-ONE + INTEGRATED HIGHWAY SERVICES (CIS) | £335,097 | |
| JENOPTIK TRAFFIC SOLUTIONS UK LTD | £34,421 | |
| JOHN GRAHAM CONSTRUCTION LIMITED | £25,911 |