| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Utilities Dealing Ltd | 03078955 | 23/11/1995 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| A. F. Water Technology Ltd | 01366129 | 29/12/1991 | 06/10/1995 | Dissolved |
| CHESTER WATER LIMITED | 02888872 | 18/01/1994 | 05/02/1997 | Silver |
| CLARENCE MARINE ENGINEERING LIMITED | 02139067 | 01/12/1993 | 28/07/1995 | Amber |
| Chester Waterworks Co | ZC000020 | 16/04/1991 | 05/02/1997 | Dissolved |
| Cobham Travel Service Ltd | 02151959 | 01/12/1993 | 28/07/1995 | Dissolved |
| DEE VALLEY LIMITED | 02902525 | 30/09/1994 | 09/09/2002 | Amber |
| EPSOM RIDGE LIMITED | 02419424 | 01/12/1993 | 26/07/1995 | Amber |
| ESP UTILITIES GROUP LIMITED | 02612105 | 17/05/1992 | 01/07/1996 | Silver |
| GOSPORT FERRY LIMITED | 02254382 | 01/12/1993 | 28/07/1995 | Bronze |
| NORTHUMBRIAN SPRING LIMITED | 02587288 | 01/03/1991 | 06/10/1995 | Dissolved |
| PALM WATER COMPANY LIMITED | 02251090 | 03/11/1991 | 06/10/1995 | Dissolved |
| PORTSEA HARBOUR COMPANY LIMITED | 01748902 | 01/12/1993 | 26/07/1995 | Amber |
| Phoenix Timber Executive Pensions Trust Ltd | 01063771 | 28/07/1994 | 28/07/1995 | Dissolved |
| Phoenix Timber Pensions Trust Ltd | 01063772 | 31/12/1993 | 01/12/1994 | Dissolved |
| THE PORTSMOUTH HARBOUR FERRY COMPANY LIMITED | 00018751 | 01/12/1993 | 28/07/1995 | Bronze |
| THE SPECIAL UTILITIES INVESTMENT TRUST PLC | 02829844 | 20/07/1993 | 30/11/2006 | Dissolved |
| UTILICO INVESTMENT TRUST PLC | 04771660 | 10/06/2003 | 28/10/2004 | Dissolved |
| WATERCOOLERS LIMITED | 00929622 | 29/12/1991 | 06/10/1995 | Dissolved |