| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BP WEST ARU I LIMITED | 01937364 | 24/07/1992 | 01/08/1993 | Gold |
| BURMAH CASTROL HOLDINGS LIMITED | 01914863 | 26/07/1992 | 31/01/1998 | Dissolved |
| BURMAH CASTROL PLC | SC005098 | 02/06/1989 | 10/07/2000 | Silver |
| Burmah Castrol Fuels Ltd | 02528933 | 08/08/1992 | 31/01/1998 | Dissolved |
| CASTROL LIMITED | 00149435 | 25/07/1992 | 01/02/1998 | Gold |
| CASTROL OVERSEAS EQUITIES LIMITED | 01937361 | 24/07/1992 | 01/08/1993 | Dissolved |
| CASTROL OVERSEAS INVESTMENTS LIMITED | 01937360 | 24/07/1992 | 01/08/1993 | Dissolved |
| Castrol Europe Ltd | 00599990 | 19/03/1993 | 01/08/1993 | Dissolved |
| ELEMENTIS HOLDINGS LIMITED | 00097878 | 02/09/1997 | 23/02/1998 | Bronze |
| ELEMENTIS PLC | 03299608 | 11/12/1997 | 07/10/2004 | Gold |
| FOSECO OVERSEAS LIMITED | 00383505 | 13/06/1992 | 01/08/1993 | Gold |
| FOSROC CONSTRUCTION CHEMICALS LIMITED | 00284963 | 14/05/1992 | 31/01/1998 | Bronze |
| LOTRA LIMITED | SC007173 | 07/09/1995 | 30/09/2003 | Amber |
| LUBRICANTS UK LIMITED | 00097216 | 26/07/1992 | 31/01/1998 | Amber |
| MANDIRI ARAFURA UTARA LIMITED | 01937365 | 24/07/1992 | 01/08/1993 | Amber |
| NORTHERN FOODS LIMITED | 00471864 | 03/08/1991 | 28/05/2002 | Bronze |
| Shapsix (U K) Ltd | 02340263 | 27/01/1993 | 01/08/1993 | Dissolved |
| VEEDOL INTERNATIONAL LIMITED | SC054624 | 30/08/1989 | 01/08/1993 | Gold |