| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ALCHMEX INTERNATIONAL CONSTRUCTION LIMITED | 01270050 | 29/12/1993 | 29/01/1998 | Bronze |
| AMEC (MHL) LIMITED | 00713103 | 28/02/1997 | 29/01/1998 | Not Trading |
| AMEC BUILDING LIMITED | 00165287 | 08/06/1992 | 29/01/1998 | Not Trading |
| AMEC CIVIL ENGINEERING LIMITED | 01265199 | 08/06/1992 | 29/01/1998 | Not Trading |
| AMEC CONSTRUCTION LIMITED | 02729912 | 03/08/1992 | 29/01/1998 | Dissolved |
| AMEC CONSTRUCTION SCOTLAND LIMITED | SC074859 | 08/06/1991 | 29/01/1998 | Not Trading |
| AMEC DESIGN AND MANAGEMENT LIMITED | 02014882 | 03/08/1992 | 29/01/1998 | Dissolved |
| AMEC FOSTER WHEELER LIMITED | 01675285 | 07/07/1993 | 30/07/1999 | Bronze |
| AMEC MECHANICAL AND ELECTRICAL SERVICES LIMITED | 02887344 | 12/07/1996 | 29/01/1998 | Dissolved |
| AMEC MINING LIMITED | 00454724 | 01/03/1995 | 29/01/1998 | Dissolved |
| BALFOUR BEATTY GROUP LIMITED | 00101073 | 04/01/2000 | 07/10/2003 | Silver |
| BALFOUR BEATTY MANAGEMENT LIMITED | 04590162 | 01/12/2002 | 23/07/2003 | Not Trading |
| BALFOUR BEATTY PLC | 00395826 | 06/06/2000 | 07/10/2003 | Silver |
| BALFOUR BEATTY UTILITY SOLUTIONS LIMITED | 01062438 | 26/03/2003 | 07/10/2003 | Not Trading |
| COLAS RAIL LIMITED | 02995525 | 19/08/1996 | 29/01/1998 | Silver |
| JAMES SCOTT LIMITED | SC035281 | 01/10/1996 | 29/01/1998 | Not Trading |
| JOHN KENNEDY (CIVIL ENGINEERING) LIMITED | 00948549 | 23/07/2003 | 07/10/2003 | Insolvent |
| JOHN KENNEDY (HOLDINGS) LIMITED | 03353517 | 10/10/2001 | 07/10/2003 | Dissolved |
| KENTON UTILITY SERVICE MANAGEMENT LIMITED | 03711593 | 18/03/2002 | 07/10/2003 | Dissolved |
| PIPELINE CONSULTANTS LIMITED | 01638521 | 23/07/2003 | 07/10/2003 | Dissolved |
| SWIMCO LIMITED | 03159256 | 19/08/1996 | 19/02/1997 | Dissolved |
| TRANS4M LIMITED | 04362810 | 28/08/2002 | 09/10/2003 | Dissolved |