| | Graham Construction |
| | £65,000 |
| | Wakehurst Botanical Gardens, RH17 |
| | Nov 2017 |
| | Dec 2017 |
| | Blackburn & Co, Helical Plc |
| | £405,000 |
| | Chiswick, W4, London |
| | Aug 2017 |
| | Nov 2017 |
| | Primus Construction Ltd |
| | £350,000 |
| | Twickenham, Greater London |
| | Jun 2016 |
| | Sep 2016 |
| | Signalling Solutions |
| | £532,000 |
| | Hertfordshire |
| | Jan 2009 |
| | Aug 2009 |
| | Balfour Beatty Rail Projects |
| | £300,000 |
| | London |
| | Apr 2006 |
| | Sep 2006 |
| | Jarvis |
| | £3 million |
| | Kirklees, Yorkshire |
| | Oct 2002 |
| | Sep 2004 |
