| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Equalpool Limited | 02880684 | 30/09/1994 | Dissolved |
| Southern Electric Europe Ltd | 03033185 | 05/04/1995 | Dissolved |
| Southern Electric Holdings Ltd | 03033180 | 05/04/1995 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BARKING POWER LIMITED | 02354681 | 01/04/1994 | 31/03/2001 | Bronze |
| BOUYGUES E&S CONTRACTING UK LIMITED | SC087174 | 25/05/1995 | 22/08/1996 | One Red Flag |
| CHB P H R LIMITED | 02670582 | 03/02/1994 | 14/11/1995 | Bronze |
| DERWENT COGENERATION LIMITED | 02650621 | 30/09/1994 | 20/07/1995 | Dissolved |
| ENERVEO LIMITED | 02317133 | 07/03/1995 | 01/09/1996 | Amber |
| Electricity Association Ltd | 02367010 | 01/09/1996 | 08/03/1999 | Dissolved |
| Equalpool Limited | 02880684 | 16/08/1994 | 30/09/1994 | Dissolved |
| MEDWAY POWER LIMITED | 02537903 | 13/03/1993 | 12/11/1999 | Silver |
| NON-FOSSIL PURCHASING AGENCY LIMITED | 02365900 | 28/03/1992 | 24/01/1995 | Dissolved |
| OVO (S) GAS LIMITED | 02716495 | 14/08/1992 | 01/01/1995 | Amber |
| SSE CONTRACTING GROUP LIMITED | 02471438 | 02/03/1995 | 11/11/1997 | Amber |
| SSE ENERGY SUPPLY LIMITED | 03757502 | 07/08/2000 | 31/03/2001 | Silver |
| SSE GENERATION LIMITED | 02310571 | 11/05/1992 | 08/10/1999 | Silver |
| SSE PLC | SC117119 | 14/12/1998 | 31/03/2001 | Silver |
| SSE SERVICES PLC | 02366879 | 09/10/1992 | 31/03/2001 | Silver |
| SSE TRUSTEES LIMITED | 03048985 | 24/04/1995 | 31/03/2001 | Not Trading |
| SSE UTILITY SERVICES LIMITED | 01689416 | 02/03/1995 | 11/11/1997 | Not Trading |
| SSEPG (OPERATIONS) LIMITED | 02764438 | 30/09/1994 | 14/07/1995 | Bronze |
| ST. CLEMENTS SERVICES LIMITED | 02455347 | 11/03/1994 | 01/03/1995 | Silver |
| SWALEC GAS LIMITED | 02624695 | 07/08/2000 | 31/03/2001 | Dissolved |
| Sabre Power Ltd | 03416322 | 17/11/1997 | 31/03/2001 | Dissolved |
| South Wales Energy Ltd | 03870373 | 07/08/2000 | 31/03/2001 | Dissolved |
| THERMAL TRANSFER (SCOTLAND) LIMITED | SC049263 | 25/05/1995 | 22/08/1996 | Dissolved |
| Thermal Transfer (Midland) Ltd | SC099326 | 25/05/1995 | 22/08/1996 | Dissolved |
| Thermal Transfer (North East) Ltd | SC099327 | 25/05/1995 | 22/08/1996 | Dissolved |
| Thermal Transfer (South West) Ltd | SC099497 | 25/05/1995 | 22/08/1996 | Dissolved |
| Thermal Transfer (Southern) Ltd | SC087951 | 25/05/1995 | 22/08/1996 | Dissolved |
| Thermal Transfer (U K) Ltd | SC099328 | 25/05/1995 | 22/08/1996 | Dissolved |
| Thermal Transfer(Northern) Ltd | SC082994 | 25/05/1995 | 22/08/1996 | Dissolved |
| Uk Generating Ltd | 03033195 | 05/04/1995 | 31/03/2001 | Dissolved |
| United Generating Ltd | 03033197 | 05/04/1995 | 31/03/2001 | Dissolved |
| Wales Electricity Ltd | 03870377 | 07/08/2000 | 31/03/2001 | Dissolved |
| Westacott Ltd | 03196201 | 28/05/1996 | 31/03/2001 | Dissolved |