| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Integrated Water Services Ltd | 03979513 | 18/04/2000 | Dissolved |
| Total Water Management Ltd | 03050529 | 01/11/1995 | Dissolved |
| Water Leakage Confederation Ltd | 03478955 | 10/12/1997 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BIOLOGIX LABORATORIES LIMITED | 04480516 | 09/07/2002 | 22/04/2004 | Bronze |
| Coniston Holdings Ltd | 03660723 | 03/11/1998 | 06/11/2001 | Dissolved |
| Hat-Works Ltd | 03746101 | 06/04/1999 | 06/11/2001 | Dissolved |
| No-X Safety Serve Ltd | 03917255 | 10/02/2000 | 20/06/2000 | Dissolved |
| Sabas Pipeline Systems Ltd. | 03884426 | 26/11/1999 | 06/11/2001 | Dissolved |
| WATER & ENVIRONMENTAL RESOURCE MANAGEMENT LIMITED | 03482055 | 01/08/1999 | 06/11/2001 | Silver |
| Water Solutions (U.K.) Ltd. | 03609273 | 02/08/1999 | 01/04/2001 | Dissolved |