| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Adtranz Alfred McAlpine Rail Engineering Ltd | 03800392 | 30/07/1999 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BOMBARDIER TRANSPORTATION (GAUTRAIN) UK LIMITED | 03138093 | 24/11/1998 | 31/03/2001 | Dissolved |
| BOMBARDIER TRANSPORTATION (SIGNAL) UK LTD | 03062720 | 24/11/1998 | 31/03/2001 | Dissolved |
| CLASS 345 TRAINS LIMITED | 00653221 | 24/11/1998 | 31/03/2001 | Dissolved |
| J. BROWNE HOLDINGS LIMITED | 01200574 | 06/04/2002 | 30/06/2003 | Gold |
| J.BROWNE CONSTRUCTION COMPANY LIMITED | 01000440 | 06/04/2002 | 30/06/2003 | Silver |