| Company Name | Company Registered Number |
Company Place of Registration | Registered Address |
| BCN Data Systems Limited | 02985210 | Registered in the United Kingdom in 1994 | 11 Pilgrim Street, London, EC4V 6RN |
| Bechtel Enterprises (U.K.) Limited | 03074919 | Registered in the United Kingdom in 1994 | 11 Pilgrim Street, London, EC4V 6RN |
| Bechtel Holdings Limited | 02613489 | Registered in the United Kingdom in 1994 | 11 Pilgrim Street, London, EC4V 6RN |
| Bechtel Limited | 00506133 | Registered in the United Kingdom in 1994 | 11 Pilgrim Street, London, EC4V 6RN |
| Bechtel Management Company Limited | 04252526 | Registered in the United Kingdom in 1994 | 11 Pilgrim Street, London, EC4V 6RN |
| Bechtel Risk Management Limited | 02589925 | Registered in the United Kingdom in 1994 | 11 Pilgrim Street, London, EC4V 6RN |
| Bechtel Water Technology Limited | 02356216 | Registered in the United Kingdom in 1994 | 11 Pilgrim Street, London, EC4V 6RN |
| PSG International Limited | 03564492 | Registered in the United Kingdom in 1994 | 11 Pilgrim Street, London, EC4V 6RN |
| UIC Rail (Netherlands) Limited | 03977320 | Registered in the United Kingdom in 1994 | 11 Pilgrim Street, London, EC4V 6RN |
| UIC Transport (JNP) Limited | 04328683 | Registered in the United Kingdom in 1994 | 11 Pilgrim Street, London, EC4V 6RN |