| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Kerr McGee Gas (U K) Ltd | 02772842 | 26/02/1993 | Dissolved |
| Kerr-McGee Glamis Ltd | SC117458 | 15/05/1998 | Dissolved |
| Kerr-McGee Petroleum (U.K.) Ltd | 03519187 | 15/05/1998 | Dissolved |
| Kerr-McGee Pigments (Europe) Ltd | 02885054 | 01/07/1996 | Dissolved |
| Moray Petroleum Holdings & Developments Ltd | SC051538 | 15/12/1988 | Dissolved |
| North Sea Development Company Ltd | SC058022 | 29/06/1988 | Dissolved |
| North Sea Development Company Ltd | SC058022 | 29/06/1988 | Dissolved |
| T O Drilling Co (U K) Ltd | 01808602 | 31/12/1992 | Dissolved |
| The Bede Foundation Ltd | 02708776 | 22/04/1992 | Dissolved |
| Trans World North Sea Drilling Services Ltd | 00880736 | 24/11/1991 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| MAERSK OIL GRYPHON LIMITED | 01316633 | 26/07/2004 | 30/09/2005 | Dissolved |
| Maersk Oil York Ltd | 03078424 | 15/05/1998 | 26/07/2004 | Dissolved |
| OCEAN YOUTH TRUST UK | 03955104 | 17/04/2001 | 30/11/2003 | Dissolved |
| TOTALENERGIES E&P NORTH SEA UK LIMITED | 03682299 | 26/02/1999 | 26/07/2004 | Silver |
| TOTALENERGIES E&P RESOURCES UK LIMITED | 03295116 | 26/07/2004 | 30/09/2005 | Not Trading |
| TOTALENERGIES OFFSHORE GB LIMITED | 03530988 | 08/05/1998 | 26/07/2004 | Silver |
| TOTALENERGIES OFFSHORE UK LIMITED | 00946986 | 10/05/1992 | 26/07/2004 | Silver |