| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| The Institute of Petroleum | 00135273 | 05/09/1995 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CHRYSAOR (U.K.) KAPPA LIMITED | 03004536 | 21/12/1994 | 20/06/2003 | Dissolved |
| CHRYSAOR DEVELOPMENTS LIMITED | 02180666 | 20/10/1992 | 31/07/1995 | One Red Flag |
| CHRYSAOR PETROLEUM LIMITED | 01247477 | 22/10/1992 | 31/07/1995 | Silver |
| CHRYSAOR PRODUCTION (U.K.) LIMITED | 00524868 | 20/10/1992 | 31/07/1995 | Bronze |
| DU PONT TREASURY LTD | 02492589 | 22/10/1992 | 31/07/1995 | Dissolved |
| FUELS INDUSTRY UK LIMITED | 01404376 | 01/09/1992 | 19/07/1995 | Amber |
| GREENWICH THEATRE LIMITED(THE) | 00860847 | 09/01/1992 | 12/09/1997 | Amber |
| JAMES FISHER AND SONS PUBLIC LIMITED COMPANY | 00211475 | 11/03/1998 | 31/12/2003 | Silver |
| JIFFY LIMITED | 00534511 | 31/10/1992 | 31/07/1995 | Dissolved |
| MERCHANT COURT FREEHOLD LIMITED | 04004532 | 25/07/2000 | 13/03/2003 | Silver |
| OIL INDUSTRIES CLUB LIMITED(THE) | 01575393 | 14/01/2003 | 20/01/2009 | Silver |
| PHILLIPS 66 LIMITED | 00529086 | 31/10/1992 | 31/07/1995 | Silver |
| THORPE'S YARD MANAGEMENT COMPANY LIMITED | 03456036 | 28/02/2001 | 13/03/2003 | Not Trading |
| VORTOIL SEPARATION SYSTEMS LIMITED | 02650986 | 02/09/1994 | 01/04/1996 | Dissolved |