| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| One World Management Ltd | 03792683 | 22/06/1999 | Dissolved |
| One World Management Ltd | 03792683 | 22/06/1999 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| B N F L Engineering Ltd | 02493959 | 23/06/1994 | 31/12/1996 | Dissolved |
| BIL SOLUTIONS LIMITED | 02888907 | 03/04/1995 | 31/12/1996 | Dissolved |
| Bnfl Enrichment (Plant & Equipment) Ltd | 01144901 | 25/07/1992 | 31/12/1996 | Dissolved |
| Ee Realisation Ltd | 03160983 | 01/11/1998 | 23/06/1999 | Dissolved |
| INGENCO LIMITED | SC204484 | 04/05/2000 | 01/11/2001 | Insolvent |
| INTERNATIONAL NUCLEAR SERVICES LIMITED | 01144352 | 06/12/1991 | 01/10/1995 | Gold |
| Intermox Limited | 02371981 | 25/07/1992 | 30/09/1992 | Dissolved |
| MITIE TECHNICAL FACILITIES MANAGEMENT LIMITED | 00906936 | 20/10/1998 | 16/04/1999 | Silver |
| NUVIA LIMITED | 02063786 | 01/04/2003 | 16/05/2007 | Bronze |
| Nuclear Transport Ltd | 01076000 | 21/04/1993 | 11/03/1994 | Dissolved |
| PACIFIC NUCLEAR TRANSPORT LIMITED | 01228109 | 03/12/1991 | 01/10/1994 | Silver |
| SELLAFIELD LIMITED | 01002607 | 27/02/1992 | 31/12/1996 | Silver |
| THE GROWTH COMPANY LIMITED | 02443911 | 25/07/1996 | 30/09/1996 | Silver |
| URENCO LIMITED | 01022786 | 05/07/1992 | 23/10/1996 | Bronze |
| URENCO UK LIMITED | 01144899 | 25/07/1992 | 07/09/1993 | Silver |
| Uk Electric Power Ltd | 00172268 | 30/10/1998 | 16/04/1999 | Dissolved |
| United Kingdom Nirex Ltd | 01927761 | 01/03/1994 | 04/12/1996 | Dissolved |
| Urenco (Investments U S) Ltd | 02357664 | 25/07/1992 | 07/09/1993 | Dissolved |
| Urenco (Operations Europe) Ltd | 01145645 | 25/07/1992 | 07/09/1993 | Dissolved |
| Urenco (Operations U K) Ltd | 01144900 | 25/07/1992 | 07/09/1993 | Dissolved |
| VEOLIA ENERGY & UTILITY SERVICES UK LIMITED | 02585759 | 01/07/1998 | 16/04/1999 | Silver |
| VEOLIA ENERGY UK LIMITED | 00883131 | 01/07/1998 | 16/04/1999 | One Red Flag |