| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Berkeley Environmental Systems Plc | 01426797 | 28/03/1992 | 21/09/1995 | Dissolved |
| Bright London Ltd | 03251902 | 31/01/1997 | 03/08/1998 | Dissolved |
| Bright Resources Ltd | 03252017 | 31/01/1997 | 03/08/1998 | Dissolved |
| EDF ENERGY (ENERGY BRANCH) LIMITED | 02449611 | 31/05/1992 | 05/07/1995 | Dissolved |
| EDF ENERGY CUSTOMERS LIMITED | 02228297 | 03/06/1997 | 03/08/1998 | Silver |
| EDF ENERGY LIMITED | 02366852 | 09/10/1992 | 25/08/1998 | Silver |
| ELECTRICITY PENSIONS LIMITED | 02416242 | 31/08/1992 | 11/12/1998 | Bronze |
| ELECTRICITY PENSIONS TRUSTEE LIMITED | 02479327 | 12/03/1992 | 12/11/1997 | Silver |
| Electric London Ltd | 03251976 | 31/01/1997 | 03/08/1998 | Dissolved |
| Energy Networks Ltd | 02393692 | 07/06/1992 | 02/11/1992 | Dissolved |
| LEB (CONTRACTING) LIMITED | 02228350 | 31/01/1997 | 03/08/1998 | Dissolved |
| LONDON & CONTINENTAL RAILWAYS LIMITED | 02966054 | 09/09/1997 | 11/12/1998 | Silver |
| LONDON ELECTRICITY (CONTRACTORS) LIMITED | 02228361 | 31/01/1997 | 03/08/1998 | Dissolved |
| Le Group Ltd. | 03082081 | 31/01/1997 | 03/08/1998 | Dissolved |
| Leb (Properties) Ltd | 02228360 | 31/01/1997 | 03/08/1998 | Dissolved |
| Leb Ltd | 02418697 | 31/01/1997 | 03/08/1998 | Dissolved |
| London Electricity (Properties) Ltd | 02228269 | 31/01/1997 | 03/08/1998 | Dissolved |
| London Electricity Projects Ltd | 03039545 | 24/03/1995 | 03/08/1998 | Dissolved |
| London Electricity Share Scheme Trustees Ltd | 02525161 | 24/07/1992 | 03/08/1998 | Dissolved |
| Mass Transit Power Services Ltd | 03238192 | 31/01/1997 | 03/08/1998 | Dissolved |
| NATIONAL GRID HOLDINGS ONE PLC | 02367004 | 10/10/1995 | 17/11/1995 | Silver |
| New Century Homes Ltd | 02463716 | 31/01/1997 | 03/08/1998 | Dissolved |
| UK POWER NETWORKS GROUP (TRUSTEE) LIMITED | 03590781 | 25/06/1998 | 11/12/1998 | Not Trading |
| UK POWER NETWORKS SERVICES (CONTRACTING) LIMITED | 02228168 | 22/11/1992 | 03/08/1998 | Silver |
| UK POWER NETWORKS SERVICES (ENTERPRISES) LIMITED | 02611182 | 15/05/1991 | 03/08/1998 | Gold |