| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Southern Electric Share Scheme Trustees Limited | 02525005 | 24/07/1992 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BOUYGUES E&S CONTRACTING UK LIMITED | SC087174 | 02/04/1992 | 25/05/1995 | One Red Flag |
| Bnce (1994) | 02913725 | 19/07/1994 | 19/11/1997 | Dissolved |
| CHB P H R LIMITED | 02670582 | 24/12/1991 | 14/11/1995 | Bronze |
| EA TECHNOLOGY LIMITED | 02566313 | 02/07/1992 | 19/04/1993 | Gold |
| ENERVEO LIMITED | 02317133 | 25/05/1992 | 07/03/1995 | Amber |
| Electra Brands Ltd | 02262036 | 23/01/1993 | 30/07/1993 | Dissolved |
| Electricity Association Ltd | 02367010 | 30/07/1992 | 01/09/1996 | Dissolved |
| HENLEY FESTIVAL LIMITED | 02284295 | 21/01/1993 | 16/12/2002 | Bronze |
| INCORPORATED SOCIETY OF BRITISH ADVERTISERS LIMITED | 00068497 | 17/07/1992 | 06/07/1993 | Silver |
| NATIONAL GRID HOLDINGS ONE PLC | 02367004 | 31/05/1993 | 17/11/1995 | Silver |
| NATIONAL HOME IMPROVEMENT COUNCIL | 01227868 | 13/12/1991 | 01/01/1993 | Gold |
| SSE CONTRACTING GROUP LIMITED | 02471438 | 19/08/1996 | 11/11/1997 | Amber |
| SSE GENERATION LIMITED | 02310571 | 11/05/1992 | 13/01/1998 | Silver |
| SSE PLC | SC117119 | 14/12/1998 | 17/05/2005 | Silver |
| SSE SERVICES PLC | 02366879 | 09/10/1992 | 05/01/1999 | Silver |
| SSE UTILITY SERVICES LIMITED | 01689416 | 19/08/1996 | 11/11/1997 | Not Trading |
| THAMES VALLEY ECONOMIC PARTNERSHIP | 02928930 | 25/07/1994 | 10/03/1997 | Dissolved |
| THE ENERGY SAVING TRUST LIMITED | 02622374 | 17/11/1992 | 15/11/1996 | Amber |
| THERMAL TRANSFER (SCOTLAND) LIMITED | SC049263 | 02/04/1992 | 25/05/1995 | Dissolved |
| Thames Valley Enterprise Ltd | 02486082 | 28/03/1992 | 31/07/1995 | Dissolved |
| Thames Valley Technology Centre Ltd | 02357258 | 08/03/1992 | 26/04/1993 | Dissolved |
| Thermal Transfer (Midland) Ltd | SC099326 | 22/08/1996 | 07/11/1997 | Dissolved |
| Thermal Transfer (North East) Ltd | SC099327 | 22/08/1996 | 07/11/1997 | Dissolved |
| Thermal Transfer (South West) Ltd | SC099497 | 22/08/1996 | 07/11/1997 | Dissolved |
| Thermal Transfer (Southern) Ltd | SC087951 | 02/04/1992 | 25/05/1995 | Dissolved |
| Thermal Transfer (U K) Ltd | SC099328 | 02/04/1992 | 25/05/1995 | Dissolved |
| Thermal Transfer(Northern) Ltd | SC082994 | 02/04/1992 | 25/05/1995 | Dissolved |