| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BUSINESS IN THE COMMUNITY | 01619253 | 03/02/2010 | 31/03/2012 | Bronze |
| CAMBI UK LIMITED | 03679626 | 28/06/2002 | 24/09/2002 | Silver |
| DWR CYMRU CYFYNGEDIG | 02366777 | 12/03/1998 | 12/04/2001 | Amber |
| ELECTRICITY PENSIONS TRUSTEE LIMITED | 02479327 | 01/04/1996 | 05/07/1999 | Bronze |
| ENERGY AND UTILITY SKILLS LIMITED | 03812163 | 21/09/2005 | 05/10/2010 | Silver |
| GEO METRO LIMITED | 04129122 | 23/10/2002 | 14/02/2003 | Dissolved |
| GROUNDWORK BRIDGEND AND NEATH PORT TALBOT | 02388397 | 07/07/2000 | 27/07/2001 | Dissolved |
| GROUNDWORK WALES | 03577896 | 13/10/2000 | 27/09/2001 | Silver |
| Hyder Utilities (Operations) Ltd | 03405264 | 06/10/1998 | 21/03/2001 | Dissolved |
| INFRALEC 1992 PENSION TRUSTEE LIMITED | 02749536 | 31/03/1995 | 30/03/1998 | Dissolved |
| NATIONAL GRID ELECTRICITY DISTRIBUTION (SOUTH WALES) PLC | 02366985 | 31/03/1996 | 21/03/2001 | Bronze |
| PCI MEMBRANE SYSTEMS LIMITED | 00315984 | 28/06/2002 | 01/05/2003 | Dissolved |
| SILVER STREET (READING) MANAGEMENT COMPANY LIMITED | 04457376 | 04/11/2005 | 09/01/2006 | Amber |
| SOUTH WALES ELECTRICITY SHARE SCHEME TRUSTEES LIMITED | 02525006 | 14/10/1993 | 19/03/2001 | Not Trading |
| STIRLING WATER SEAFIELD FINANCE PLC | SC190621 | 15/08/2002 | 07/04/2003 | Silver |
| STIRLING WATER SEAFIELD HOLDINGS LIMITED | SC190803 | 15/08/2002 | 07/04/2003 | Gold |
| STIRLING WATER SEAFIELD LIMITED | SC182250 | 15/08/2002 | 07/04/2003 | Silver |
| Stirling Water Esk Ltd | SC192308 | 15/08/2002 | 07/04/2003 | Dissolved |
| T M PRODUCTS LIMITED | 00587953 | 28/06/2002 | 01/05/2003 | Dissolved |
| THAMES WATER PRODUCTS CASTINGS LTD. | 00316572 | 28/06/2002 | 01/05/2003 | Dissolved |
| THAMES WATER PRODUCTS COATINGS LTD. | 02293482 | 28/06/2002 | 01/05/2003 | Dissolved |
| THAMES WATER PRODUCTS FWT LTD. | 00231986 | 28/06/2002 | 01/05/2003 | Dissolved |
| THAMES WATER PRODUCTS LIMITED | 02249185 | 28/06/2002 | 01/05/2003 | Not Trading |
| THAMES WATER PRODUCTS OVERSEAS LIMITED | 00724065 | 28/06/2002 | 01/05/2003 | Dissolved |
| THAMES WATER PRODUCTS SGE LTD. | 01147810 | 28/06/2002 | 01/05/2003 | Dissolved |
| THAMES WATER PRODUCTS SH LIMITED | 00297150 | 28/06/2002 | 20/03/2003 | Dissolved |
| THAMES WATER PRODUCTS UPE LIMITED | 02056382 | 28/06/2002 | 01/05/2003 | Dissolved |
| THAMES WATER PRODUCTS UPEI LTD. | 02081406 | 28/06/2002 | 01/05/2003 | Dissolved |
| Thames Water Products Upec Ltd. | 02784771 | 28/06/2002 | 01/05/2003 | Dissolved |
| Thames Water Products Upeg Ltd. | 03103572 | 28/06/2002 | 01/05/2003 | Dissolved |
| Thames Water Products Worldwide Ltd | 02740846 | 28/06/2002 | 01/05/2003 | Dissolved |
| VEOLIA WATER OUTSOURCING LIMITED | 02518607 | 13/05/2002 | 01/10/2003 | Gold |
| WELSHBIOFUELS LIMITED | 04070038 | 18/01/2001 | 07/07/2001 | Dissolved |