


| Alfred McAlpine | Lagan |
| Amey McAlpine Joint Venture | Laing Investments |
| Arriva | Laing O’Rourke |
| Aspire Defence | LINC |
| BAA | London Electricity |
| Babcock International | London Underground |
| Balfour Beatty Carillion JV | Mitsui |
| Bannockburn Homes | Modern Courts (East Anglia) |
| Barclays Capital | Mowlem |
| Bechtel | Network Rail |
| British Airways | NEXUS (Tyne & Wear PTE) |
| Booz & Co. | Nishimatsu |
| Cambridgeshire County Council | Nuttall |
| Canary Wharf | Office of the Rail Regulator |
| Central Railway | Olympic Delivery Authority |
| Centro (West Midlands PTE) | Parkview International |
| Chiltern Railways | Parsons Brinckerhoff |
| CGL Rail | Peel Holdings |
| Costain | Scottish Executive |
| Cross London Rail Links | Siemens |
| Department for Transport | Stagecoach |
| Docklands Light Railway | Strategic Rail Authority |
| Endeavour SCH | Surrey County Council |
| Equion | Taylor Woodrow |
| Fluor | Trafford Park Development Corporation |
| Go Ahead | Transdev |
| GTE for Oxfordshire | Transport for London |
| Heathrow Express | Transport initiatives Edinburgh |
| Kent Thameside |
Philip Kirk
Deputy Chair
GTE for Oxfordshire Ltd.