| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 00088438 LIMITED | 00088438 | 25/02/1993 | 12/12/1997 | Strike Off |
| AA FIVE LIMITED | 01641283 | 26/10/1992 | 20/08/2001 | Dissolved |
| B T R INTERNATIONAL LIMITED | 00965046 | 13/08/1991 | 12/07/2003 | Not Trading |
| BTR INDUSTRIES LIMITED | 00478575 | 25/03/1992 | 12/07/2003 | Silver |
| Hawker Siddeley Power (Corby) Ltd | 01318483 | 22/04/1996 | 28/08/2002 | Dissolved |
| Hawker Siddeley Revenue Controls Ltd | 00442464 | 13/10/1992 | 28/08/2002 | Dissolved |
| INVENSYS OVERSEAS LIMITED | 00886606 | 13/10/1992 | 12/07/2003 | Not Trading |
| METZELER (UK) LIMITED | 01414293 | 25/08/1992 | 28/08/2002 | Dissolved |
| PERADIN LIMITED | 00428556 | 04/08/1993 | 28/08/2002 | Dissolved |
| SIEMENS MOBILITY LIMITED | 00016033 | 13/10/1992 | 12/07/2003 | Silver |
| SIEMENS RAIL AUTOMATION LIMITED | 01641421 | 22/10/1992 | 12/07/2003 | Not Trading |
| Scuk (No. 2) Ltd | 03132436 | 01/12/1995 | 28/08/2002 | Dissolved |
| Signalling Control U.K. Ltd | 03062719 | 01/12/1995 | 28/08/2002 | Dissolved |
| Transig Ltd | 03499146 | 12/02/1998 | 27/08/2002 | Dissolved |
| Unipoly Silvertown Ltd | 00290993 | 26/05/1992 | 12/12/1997 | Dissolved |
| WESTINGHOUSE BRAKES LIMITED | 01641419 | 11/11/1992 | 30/10/2000 | Dissolved |