| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Mepsec Ltd. | 02883644 | 03/05/1994 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ATKINSRÉALIS (WS) LIMITED | 01885586 | 08/09/2004 | 31/01/2010 | Gold |
| BIRMINGHAM ROYAL BALLET | 03320538 | 17/10/2005 | 15/12/2010 | Silver |
| Birmingham Royal Ballet Trust | 03160256 | 01/05/1996 | 09/09/2005 | Dissolved |
| E.ON UK PLC | 02366970 | 12/10/1992 | 19/02/2002 | Gold |
| ELECTRICITY ASSOCIATION SERVICES LIMITED | 02366837 | 01/04/1994 | 30/09/1995 | Dissolved |
| Electricity Association Ltd | 02367010 | 01/04/1994 | 20/10/1997 | Dissolved |
| FOUNDATION FOR SCIENCE AND TECHNOLOGY | 01327814 | 01/03/2007 | 31/12/2013 | Dissolved |
| LONDON UNDERGROUND LIMITED | 01900907 | 19/12/2001 | 14/07/2003 | Bronze |
| LUCASVARITY | 03207774 | 30/05/1996 | 04/05/1999 | Silver |
| MERRILL LYNCH EUROPEAN INVESTMENT TRUST PLC | 02885609 | 03/05/1994 | 09/06/2010 | Dissolved |
| POWERGEN INTERNATIONAL | 03548380 | 04/10/1999 | 31/03/2001 | Dissolved |
| POWERGEN LIMITED | 03586615 | 22/10/1998 | 17/07/2003 | Not Trading |
| Powergas Ltd | 02301906 | 28/06/1991 | 30/03/1994 | Dissolved |
| Powergen (Kentucky) Ltd | 03757551 | 05/06/2000 | 31/03/2001 | Dissolved |
| ROYAL BALLET SCHOOL | 00547018 | 02/10/2006 | 10/06/2015 | Silver |
| THE POWER GENERATION COMPANY LIMITED | 02295103 | 28/06/1991 | 31/03/2001 | Dissolved |
| TRBS ENTERPRISES LIMITED | 08010174 | 28/03/2012 | 10/06/2015 | One Red Flag |
| ZF INTERNATIONAL UK LIMITED | 00054802 | 01/05/1995 | 07/04/1997 | Bronze |