| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Bidmine Industries Ltd | 00376095 | 31/05/1991 | Dissolved |
| Filters 4 Power Ltd | 03391177 | 28/02/2001 | Dissolved |
| Harlent Ltd | 03218855 | 28/02/2001 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BIDMINE LIMITED | 02194089 | 31/05/1991 | 26/01/1999 | Insolvent |
| BUHLER LIMITED | 02925744 | 01/05/1997 | 31/07/1998 | Dissolved |
| Bidmine Control Systems Ltd | 00486834 | 31/05/1992 | 11/08/1999 | Dissolved |
| Bidmine Conveyors Ltd | 00265748 | 31/05/1991 | 11/08/1999 | Dissolved |
| Bidmine Engineering Ltd | 00340659 | 31/05/1991 | 11/08/1999 | Dissolved |
| British Coal International Ltd | 01338723 | 19/09/1992 | 05/11/1993 | Dissolved |
| Buhler (Rl) Ltd | 03106880 | 27/10/1995 | 31/01/2001 | Dissolved |
| CDD AUTOMATION SOLUTIONS LIMITED | 01579088 | 01/06/1997 | 10/03/1998 | Silver |
| Conveyors (Readybuilt) Ltd | 00306515 | 31/05/1991 | 11/08/1999 | Dissolved |
| FILTROX CARLSON LIMITED | 02269239 | 28/02/2001 | 23/02/2021 | Bronze |
| H.J.H. King & Company Ltd | 00100850 | 31/05/1991 | 11/08/1999 | Dissolved |
| TRIANGLE VALVE CO. LIMITED | 01706070 | 09/05/1992 | 02/07/1993 | Dissolved |