| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Conoco Global Power (U.K.) Ltd | 03205123 | 20/10/2003 | Dissolved |
| Conocophillips (U.K.) Technology Ltd | 03560523 | 13/08/2003 | Dissolved |
| Conocophillips Exploration Production Europe Ltd | 02974502 | 06/08/2003 | Dissolved |
| SOUTHERN ENERGY UK GENERATION LIMITED | 03321733 | 20/10/2003 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BATAVIA OIL RANG DONG LTD | 03716310 | 13/08/2003 | 08/03/2012 | Silver |
| CHRYSAOR (U.K.) ALPHA LIMITED | 02374592 | 13/08/2003 | 30/04/2012 | Silver |
| CHRYSAOR (U.K.) BETA LIMITED | 02316577 | 13/08/2003 | 30/04/2012 | One Red Flag |
| CHRYSAOR (U.K.) ETA LIMITED | 02369861 | 13/08/2003 | 30/04/2012 | Insolvent |
| CHRYSAOR (U.K.) FINANCE LIMITED | 03553888 | 13/08/2003 | 30/04/2012 | Dissolved |
| CHRYSAOR (U.K.) THETA LIMITED | 01491002 | 13/08/2003 | 30/04/2012 | Gold |
| CHRYSAOR (U.K.) ZETA LIMITED | 01775651 | 13/08/2003 | 30/04/2012 | Insolvent |
| CHRYSAOR DEVELOPMENTS LIMITED | 02180666 | 13/08/2003 | 30/04/2012 | One Red Flag |
| CHRYSAOR INVESTMENTS LIMITED | 02673868 | 12/08/2003 | 30/04/2012 | Dissolved |
| CHRYSAOR OIL COMPANY LIMITED | 01480116 | 08/08/2003 | 30/05/2012 | Dissolved |
| CHRYSAOR PETROLEUM CHEMICALS U.K. LIMITED | 01194149 | 18/09/2003 | 30/04/2012 | Dissolved |
| CHRYSAOR PETROLEUM COMPANY U.K. LIMITED | 00792712 | 13/08/2003 | 01/05/2012 | Silver |
| CHRYSAOR PETROLEUM LIMITED | 01247477 | 13/08/2003 | 30/04/2012 | Bronze |
| CHRYSAOR PRODUCTION (U.K.) LIMITED | 00524868 | 13/08/2003 | 30/04/2012 | Silver |
| CHRYSAOR PRODUCTION HOLDINGS LIMITED | 03629601 | 13/08/2003 | 30/04/2012 | Silver |
| CHRYSAOR PRODUCTION LIMITED | 04550265 | 13/08/2003 | 30/04/2012 | Insolvent |
| CHRYSAOR PRODUCTION OIL (GB) LIMITED | 01505606 | 18/09/2003 | 30/04/2012 | Dissolved |
| CONOCOPHILLIPS (UK) FUNDING LIMITED | 06514455 | 27/02/2008 | 30/04/2012 | Dissolved |
| CONOCOPHILLIPS PENSION PLAN TRUSTEES LIMITED | 01208388 | 05/04/2009 | 30/04/2012 | Not Trading |
| CONOCOPHILLIPS TREASURY LIMITED | 03570113 | 12/08/2003 | 30/04/2012 | Bronze |
| GLEN PETROLEUM LIMITED | 01509350 | 07/08/2003 | 30/04/2012 | Dissolved |
| GRAMPIAN AVIATION FUELLING SERVICES LIMITED | 03716230 | 13/08/2003 | 15/03/2004 | Dissolved |
| HARBOUR ENERGY DEVELOPMENTS LIMITED | 03230514 | 13/08/2003 | 30/04/2012 | Not Trading |
| IMMINGHAM ENERGY LIMITED | 03796899 | 20/10/2003 | 23/07/2013 | Gold |
| PERENCO CUU LONG LIMITED | 04740791 | 13/08/2003 | 08/03/2012 | Silver |
| PHILLIPS 66 CS LIMITED | 02809975 | 13/08/2003 | 12/01/2018 | Dissolved |
| PHILLIPS 66 EUROPEAN POWER LIMITED | 03714490 | 20/10/2003 | 12/01/2018 | Dissolved |
| PHILLIPS 66 LIMITED | 00529086 | 13/07/2004 | 12/01/2018 | Silver |
| VPI ICHP LIMITED | 04047993 | 20/10/2003 | 23/07/2013 | Silver |
| VPI IMMINGHAM OPERATIONS LIMITED | 03716311 | 20/10/2003 | 23/07/2013 | Bronze |