| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| E D C O Oil & Gas Ltd | FC023748 | 25/02/2002 | Dissolved |
| Texaco Properties Ltd | 02224706 | 01/05/1995 | Dissolved |
| The Institute of Petroleum | 00135273 | 12/01/2000 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 00463272 LIMITED | 00463272 | 01/07/1992 | 01/07/1994 | Dissolved |
| 00463272 LIMITED | 00463272 | 23/01/1997 | 18/09/2002 | Dissolved |
| CHEVRON BRITAIN LIMITED | 01006065 | 01/07/1992 | 02/04/1993 | Gold |
| CHEVRON BRITAIN LIMITED | 01006065 | 17/02/1997 | 11/12/2001 | Gold |
| CHEVRON CAPTAIN COMPANY LLC | FC005494 | 17/02/1997 | 11/12/2001 | Silver |
| CHEVRON INTERNATIONAL TANKSHIP LIMITED | 00485028 | 15/09/1992 | 25/06/1993 | Gold |
| CHEVRON INTERNATIONAL TANKSHIP LIMITED | 00485028 | 23/01/1997 | 20/05/2002 | Gold |
| Chevron Captain Co | SF000163 | 17/02/1997 | 11/12/2001 | Dissolved |
| Getty Marine Services Ltd | 00761722 | 23/01/1997 | 23/01/2002 | Dissolved |
| PETROLEUM GEOLOGY CONFERENCES LIMITED | 03836484 | 01/08/2003 | 30/09/2005 | Dissolved |
| REGENT OIL COMPANY LIMITED | 00516336 | 01/07/1992 | 25/06/1993 | Dissolved |
| REGENT OIL COMPANY LIMITED | 00516336 | 23/01/1997 | 23/01/2002 | Dissolved |
| STAR SERVICE STATIONS LIMITED | 00538877 | 09/09/1992 | 08/07/1993 | Dissolved |
| STAR SERVICE STATIONS LIMITED | 00538877 | 01/01/1998 | 19/09/2002 | Dissolved |
| TEXACO EUROPE LIMITED | 02770819 | 23/01/1997 | 30/10/2002 | Dissolved |
| TEXACO NORTH SEA U.K. LIMITED | 00807340 | 01/07/1992 | 23/07/1993 | Not Trading |
| TEXACO NORTH SEA U.K. LIMITED | 00807340 | 17/02/1997 | 11/12/2001 | Not Trading |
| Team Fuels (Anglia) Ltd | 00068141 | 01/07/1992 | 18/01/1993 | Dissolved |
| Team Fuels Ltd | 00494048 | 01/07/1992 | 17/05/1993 | Dissolved |
| Team Fuels Ltd | 00494048 | 23/01/1997 | 23/01/2002 | Dissolved |
| Texaco Exploration Ltd | 01019408 | 01/07/1992 | 23/07/1993 | Dissolved |
| Texaco Exploration Ltd | 01019408 | 17/02/1997 | 11/12/2001 | Dissolved |
| Texaco India Ltd | 03263063 | 20/11/1996 | 23/01/2002 | Dissolved |
| Texaco Marine Investments Ltd | 01316818 | 17/08/1992 | 01/07/1993 | Dissolved |
| Texaco Marine Investments Ltd | 01316818 | 23/01/1997 | 23/01/2002 | Dissolved |
| Texaco Oil (U.K.) Ltd | 00902195 | 01/07/1992 | 01/07/1993 | Dissolved |
| Texaco Oil (U.K.) Ltd | 00902195 | 23/01/1997 | 23/01/2002 | Dissolved |
| Texaco Properties Ltd | 02224706 | 01/07/1992 | 01/07/1993 | Dissolved |
| VALERO ENERGY UK LTD | 00145197 | 01/07/1992 | 01/01/1999 | Dissolved |
| VALERO ENERGY UK LTD | 00145197 | 22/11/1994 | 11/04/2002 | Dissolved |
| VALERO EQUITY SERVICES LTD | 02203164 | 17/07/1992 | 02/08/1993 | Bronze |