| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Emission Energy Ltd | 03922999 | 15/02/2000 | Dissolved |
| Petroleum Resource Management Ltd | 03689109 | 22/02/1999 | Dissolved |
| Petroleum Resource Management Ltd | 03689109 | 03/02/2000 | Dissolved |
| The Institute of Petroleum | 00135273 | 11/06/1996 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| FINA EXPLORATION LIMITED | 00808167 | 01/01/1994 | 30/06/1999 | Amber |
| FINA PETROLEUM DEVELOPMENT LIMITED | 00740632 | 01/01/1994 | 30/06/1999 | Silver |
| Fina Oil & Gas Holdings Ltd | 03668800 | 11/11/1998 | 30/06/1999 | Dissolved |
| PRAX DOWNSTREAM UK LIMITED | 00223114 | 15/11/1996 | 30/06/1999 | Silver |
| Union Texas Britannia | 02894635 | 10/03/1994 | 04/11/1994 | Dissolved |
| Unisource Energy Services Ltd | 03891785 | 27/04/2000 | 07/09/2000 | Dissolved |