| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BRITISH GAS INSURANCE LIMITED | 06608316 | 01/08/2009 | 31/08/2014 | Gold |
| CENTRICA HOLDINGS LIMITED | 05625463 | 17/09/2007 | 31/08/2014 | Silver |
| CENTRICA IGNITE GP LIMITED | 07139120 | 06/08/2013 | 31/08/2014 | Dissolved |
| CENTRICA IGNITE LP LIMITED | 07097279 | 06/08/2013 | 28/01/2014 | Strike Off |
| CENTRICA PLC | 03033654 | 01/03/2007 | 31/08/2014 | Silver |
| CENTRICA PRODUCTION LIMITED | SC169182 | 27/08/2009 | 23/11/2011 | Not Trading |
| CENTRICA RESOURCES (UK) LIMITED | 06791610 | 14/01/2009 | 21/10/2013 | Dissolved |
| GB GAS HOLDINGS LIMITED | 03186121 | 17/09/2007 | 31/08/2014 | Silver |
| ISTITHMAR P&O ESTATES LIMITED | 00805591 | 03/11/2005 | 30/04/2006 | Dissolved |
| LAKE ACQUISITIONS LIMITED | 06612465 | 26/11/2009 | 10/07/2013 | Silver |
| MNOPF TRUSTEES LIMITED | 00333017 | 15/08/2003 | 02/04/2007 | Silver |
| NEDLLOYD CONTAINER LINE LIMITED | 03279820 | 08/01/2004 | 16/04/2004 | Dissolved |
| P & O OVERSEAS HOLDINGS LIMITED | 00537728 | 01/03/2004 | 30/04/2006 | Bronze |
| P&O FINANCE PLC | 00718022 | 01/03/2004 | 30/04/2006 | Dissolved |
| P.& O.PENSION FUNDS INVESTMENTS LIMITED | 00382817 | 01/08/2003 | 22/11/2005 | Not Trading |
| QINETIQ GROUP PLC | 04586941 | 30/06/2004 | 31/12/2010 | Silver |
| QINETIQ HOLDINGS LIMITED | 04154556 | 30/06/2004 | 18/01/2006 | Bronze |
| THE PENINSULAR AND ORIENTAL STEAM NAVIGATION COMPANY | ZC000073 | 14/05/2003 | 30/04/2006 | Bronze |