| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Norweb Enterprises | 02719647 | 27/05/1992 | Dissolved |
| Norweb Hydro Power (Glenridding) Ltd | 02654500 | 29/11/1996 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ADAMSON DEL 2 LIMITED | 02475151 | 01/08/1996 | 03/05/1997 | Dissolved |
| ADAMSON DEL 3 LIMITED | 02961734 | 01/08/1996 | 22/05/1997 | Dissolved |
| CENTRICA BUSINESS SOLUTIONS UK LIMITED | 01874716 | 22/07/1996 | 03/05/1997 | Amber |
| Combined Power (Central) Ltd | 02592831 | 27/06/1996 | 03/05/1997 | Dissolved |
| ELECTRICITY PENSIONS LIMITED | 02416242 | 06/03/1996 | 07/03/1996 | One Red Flag |
| ELECTRICITY PENSIONS TRUSTEE LIMITED | 02479327 | 04/03/1997 | 10/12/2001 | Bronze |
| NB GENERATION LIMITED | 02381753 | 21/10/1994 | 20/02/1996 | Dissolved |
| NB LEASING LIMITED | 02377523 | 21/05/1993 | 23/04/1996 | Dissolved |
| NB REAL ESTATE NO.1 LIMITED | 02377739 | 29/03/1995 | 23/04/1996 | Dissolved |
| Nb Hydro Power (Wales) Ltd | 03063716 | 01/08/1996 | 11/03/2002 | Dissolved |
| Norgen (Belper) Ltd | 02994645 | 01/08/1996 | 22/05/1997 | Dissolved |
| Norgen (Ffestiniog) Ltd | 02900853 | 01/08/1996 | 22/05/1997 | Dissolved |
| Norgen Land Fill Gas Ltd | 02437203 | 15/05/1997 | 22/05/1997 | Dissolved |
| Norweb Final Salary Pension Scheme Trustee Ltd | 02380260 | 26/03/1997 | 31/03/2003 | Dissolved |
| Norweb Nominees Eire Ltd | 02373488 | 01/12/1992 | 26/08/1998 | Dissolved |
| UNITED UTILITIES INTERNATIONAL LIMITED | 02344587 | 23/05/2000 | 07/01/2002 | Gold |
| UNITED UTILITIES NOMINEES LIMITED | 02380261 | 18/11/1992 | 23/04/1996 | Dissolved |
| YLEM ENERGY LIMITED | 02152229 | 01/08/1996 | 22/05/1997 | Silver |