| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BILTON LIMITED | 00315993 | 01/09/1992 | 30/09/1996 | Bronze |
| Bilton Agricultural Investments Ltd. | 02875261 | 10/01/1994 | 30/09/1996 | Dissolved |
| Bilton,Percy,(S S F Nominees) Ltd | 01017512 | 05/01/1991 | 30/09/1996 | Dissolved |
| Bilton,Percy,Ltd | 02666605 | 30/06/1994 | 11/11/1994 | Dissolved |
| Bilton,Percy,Ltd | 02666605 | 30/06/1994 | 30/09/1996 | Dissolved |
| Glenhazel Investment Trust Ltd | 00269370 | 30/06/1994 | 30/09/1996 | Dissolved |
| Glenhazel Properties Ltd | 00624092 | 01/02/1995 | 30/09/1996 | Dissolved |
| HISTORIC STEAM LIMITED | 01185027 | 15/03/2007 | 28/09/2015 | Amber |
| ISLAND COURT FREEHOLD COMPANY LIMITED | 02383754 | 01/02/1995 | 30/09/1996 | Dissolved |
| KEW BRIDGE ENGINES TRUST AND WATER SUPPLY MUSEUM LIMITED(THE) | 01190608 | 15/03/2007 | 28/09/2015 | Silver |
| KEW BRIDGE ENGINES TRUST AND WATER SUPPLY MUSEUM LIMITED(THE) | 01190608 | 15/03/2007 | 20/06/2016 | Silver |
| MEDACT | 02267125 | 26/04/2003 | 19/06/2010 | Silver |
| THE WALTHAM ABBEY ROYAL GUNPOWDER MILLS CHARITABLE FOUNDATION LIMITED | 03325864 | 28/08/2013 | 08/12/2015 | Amber |
| THE WALTHAM ABBEY ROYAL GUNPOWDER MILLS COMPANY LIMITED | 03376501 | 17/03/2007 | 12/12/2015 | Silver |
| Upper Drum Fishings Ltd | 01391535 | 01/02/1995 | 30/09/1996 | Dissolved |