| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ABC5678 LIMITED | 06864337 | 05/06/2009 | 25/04/2012 | Dissolved |
| BRITISH ENERGY LIMITED | SC162273 | 07/11/1996 | 30/09/1998 | Dissolved |
| CHELTENHAM & GLOUCESTER COLLEGE DEVELOPMENT TRUST LIMITED | 02965516 | 31/08/1999 | 08/10/2000 | Dissolved |
| EDF ENERGY NUCLEAR GENERATION LIMITED | 03076445 | 03/07/1995 | 29/07/1998 | Silver |
| Electricity Association Ltd | 02367010 | 14/10/1996 | 30/06/1997 | Dissolved |
| FOUNDATION FOR SCIENCE AND TECHNOLOGY | 01327814 | 19/11/2001 | 06/05/2009 | Dissolved |
| MOYLE INTERCONNECTOR LIMITED | NI036562 | 23/09/2008 | 30/11/2013 | Gold |
| MUTUAL ENERGY LIMITED | NI053759 | 23/09/2008 | 30/11/2013 | Silver |
| NETCALL PLC | 01812912 | 06/03/2001 | 07/12/2001 | Gold |
| NUCLEAR INDUSTRY ASSOCIATION | 02804518 | 14/11/1996 | 10/09/1998 | Silver |
| OXFORD ARCHAEOLOGY LIMITED | 01618597 | 30/03/2009 | 26/10/2011 | Gold |
| PTS GROUP LIMITED | 02219435 | 21/02/1995 | 25/08/1999 | Gold |
| Sabre Power Ltd | 03416322 | 29/10/1997 | 06/08/1998 | Dissolved |
| THAMES WATER UTILITIES LIMITED | 02366661 | 03/07/2001 | 21/01/2005 | Amber |
| United Kingdom Nirex Ltd | 01927761 | 19/05/1995 | 10/01/1997 | Dissolved |
| VICTREX PLC | 02793780 | 26/01/1999 | 30/09/2008 | Gold |