| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ATHERCHARM LIMITED | 03562383 | 16/06/1998 | Dissolved |
| CHELNOR CONSTRUCTION LIMITED | 02526623 | 29/05/1991 | Dissolved |
| J.P. DEMOLITION & PETROLEUM DECOMMISSIONING LIMITED | 03522833 | 06/03/1998 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| HATFORD QUARRY LIMITED | 03705222 | 04/02/1999 | 08/07/2003 | One Red Flag |
| HIGH TREES MANAGEMENT COMPANY LIMITED | 05846064 | 11/08/2006 | 30/01/2008 | Gold |
| Integrated Project Services Ltd. | 02925946 | 20/05/1994 | 26/01/1995 | Dissolved |
| J.P. HIRE CENTRES LIMITED | 03528226 | 16/03/1998 | 17/09/2007 | Dissolved |
| KNIGHTSHILL FARM MANAGEMENT LIMITED | 04690403 | 22/09/2003 | 31/03/2005 | Silver |
| MULTI - AGG LIMITED | 01870649 | 27/08/1998 | 08/07/2003 | Silver |
| WALTON HILL LANDFILL LIMITED | 02011563 | 25/04/1994 | 14/06/2000 | One Red Flag |
| WALTON HILL LANDFILL LIMITED | 02011563 | 31/12/1990 | 14/06/2000 | One Red Flag |