| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Associated Linc Services Ltd | 02607165 | 25/06/1991 | Dissolved |
| E T S G Ltd | 02531063 | 15/08/1991 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AMEC SPARECO (12) LIMITED | 00381547 | 02/12/1993 | 11/11/1998 | Dissolved |
| ASSOCIATED ELECTRICITY SUPPLIES LIMITED | 02223002 | 09/06/1995 | 30/06/2001 | Dissolved |
| CAPITA PROPERTY AND INFRASTRUCTURE INTERNATIONAL LIMITED | 02752154 | 07/06/1995 | 02/12/1999 | Not Trading |
| OTV BIRWELCO LIMITED | 02418965 | 01/01/1996 | 13/05/1998 | Gold |
| TOTALENERGIES GAS & POWER LIMITED | 02172239 | 11/07/1991 | 02/02/1996 | Silver |
| Uk Electric Power Ltd | 00172268 | 30/10/1998 | 18/04/2000 | Dissolved |
| VEOLIA ENERGY & UTILITY SERVICES UK LIMITED | 02585759 | 26/02/1993 | 06/04/2001 | Gold |
| VEOLIA ENERGY UK LIMITED | 00883131 | 02/08/1991 | 26/03/2001 | Amber |
| VEOLIA ES AURORA LIMITED | 03297034 | 28/05/1997 | 21/12/2000 | Gold |