| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CENTRICA BUSINESS SOLUTIONS UK LIMITED | 01874716 | 15/01/1993 | 04/03/1994 | Amber |
| EDF ENERGY (ENERGY BRANCH) LIMITED | 02449611 | 31/05/1992 | 29/09/1995 | Dissolved |
| EDF ENERGY LIMITED | 02366852 | 09/10/1992 | 29/09/1995 | Silver |
| ELF EXPLORATION UK LIMITED | 00810743 | 15/03/2002 | 18/10/2002 | Gold |
| ENERGIS PLC | 03438871 | 01/04/2001 | 19/12/2001 | Insolvent |
| Electricity Association Ltd | 02367010 | 30/07/1992 | 31/03/1994 | Dissolved |
| Eurorail C T R L Ltd | 02910613 | 22/04/1994 | 21/06/1994 | Dissolved |
| FINA EXPLORATION LIMITED | 00808167 | 15/03/2002 | 18/10/2002 | Amber |
| FINA PETROLEUM DEVELOPMENT LIMITED | 00740632 | 15/03/2002 | 18/10/2002 | Gold |
| NATIONAL GRID HOLDINGS ONE PLC | 02367004 | 15/08/1991 | 05/09/1995 | Silver |
| Powerstore (Trading) Ltd | 02806049 | 06/04/1993 | 07/05/1993 | Dissolved |
| THE SPECIAL UTILITIES INVESTMENT TRUST PLC | 02829844 | 28/07/1993 | 30/11/2006 | Dissolved |
| TOTALENERGIES E&P UK LIMITED | 00811900 | 25/11/1994 | 18/10/2002 | Silver |
| TOTALENERGIES UPSTREAM UK LIMITED | 02413951 | 15/03/2002 | 18/10/2002 | Gold |
| UK POWER NETWORKS SERVICES (CONTRACTING) LIMITED | 02228168 | 22/11/1992 | 29/09/1995 | Silver |
| UK POWER NETWORKS SERVICES (ENTERPRISES) LIMITED | 02611182 | 28/09/1992 | 29/09/1995 | Gold |