| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Biwater Desalination Ltd | 01187866 | 01/10/1992 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ALPHACARE HOLDINGS LIMITED | 04233912 | 24/08/2001 | 30/04/2002 | Bronze |
| ARMFIELD ENGINEERING LIMITED | 01502311 | 25/04/1991 | 25/04/1995 | Not Trading |
| Association for Schools' Science, Engineering & Technology | 01077463 | 04/10/1994 | 31/01/1996 | Dissolved |
| BIWATER (OLDBURY) LIMITED | 00464190 | 25/04/1991 | 25/04/1995 | Not Trading |
| BIWATER AYRSHIRE LIMITED | SC069865 | 30/09/1989 | 25/04/1995 | Dissolved |
| BIWATER FREIGHT & TRAVEL LIMITED | 01397856 | 28/06/1991 | 25/04/1995 | Strike Off |
| BIWATER GLASGOW LIMITED | SC087953 | 30/09/1989 | 25/04/1995 | Dissolved |
| BIWATER HOLDINGS LIMITED | 00929686 | 14/08/1991 | 25/04/1995 | Three Red Flags (Highest) |
| BIWATER HYDRO POWER LIMITED | 00429215 | 28/11/1991 | 25/04/1995 | Not Trading |
| BIWATER KILMARNOCK LIMITED | SC069864 | 30/09/1989 | 25/04/1995 | Dissolved |
| BIWATER LEASING LIMITED | 00365213 | 25/06/1991 | 25/04/1995 | Strike Off |
| BIWATER LOUDON LIMITED | SC075056 | 30/09/1989 | 25/04/1995 | Not Trading |
| BIWATER OVERSEAS LIMITED | 02617474 | 10/07/1991 | 25/04/1995 | Amber |
| BIWATER PENSTOCKS LIMITED | 00070368 | 29/06/1992 | 25/04/1995 | Not Trading |
| BIWATER PIPE LININGS LIMITED | 01608199 | 15/06/1991 | 25/04/1995 | Dissolved |
| BIWATER PUMPS LIMITED | 01653166 | 28/06/1991 | 25/04/1995 | Strike Off |
| BIWATER VALVES LIMITED | SC063368 | 29/03/1990 | 25/04/1995 | Strike Off |
| BIWATER-BWIG LIMITED | 01388559 | 25/06/1991 | 25/04/1995 | Strike Off |
| CHEMICAL & THERMAL ENGINEERING LIMITED | 01526194 | 25/06/1991 | 25/04/1995 | Strike Off |
| FARMSTILES LIMITED | 01809493 | 18/07/1991 | 25/04/1995 | Strike Off |
| FARRER INTERNATIONAL LIMITED | 01638192 | 23/07/1991 | 25/04/1995 | Strike Off |
| FARRER SEWAGE LIMITED | 01652038 | 23/07/1991 | 25/04/1995 | Strike Off |
| LARGESEARCH LIMITED | 02650576 | 02/10/1992 | 25/04/1995 | Not Trading |
| PARMAN HIGHWAYS LIMITED | SC045995 | 11/04/1991 | 25/04/1995 | Dissolved |
| SEMBCORP (U.K) LIMITED | 02328585 | 19/07/1991 | 14/10/1992 | Dissolved |
| SEVEN SEAS WATER (PANAMA) HOLDINGS LTD | 02215221 | 05/08/1992 | 04/04/1995 | Silver |
| SHELLABEAR PRICE (SCOTLAND) LIMITED | SC044399 | 11/04/1991 | 25/04/1995 | Dissolved |
| THE CLAY CROSS COMPANY LIMITED | 01060597 | 25/04/1991 | 25/04/1995 | Not Trading |
| THE SCIENCE ENGINEERING TECHNOLOGY MATHEMATICS NETWORK | 03236201 | 06/08/1996 | 31/03/2001 | Dissolved |