| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Metro-Electrics Services Limited | 02364243 | 22/03/1992 | Dissolved |
| Metro-Kill Services Limited | 02366053 | 29/03/1991 | Dissolved |
| Thames Water Building Services Ltd | 01945850 | 29/01/1993 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| A J Whiteside & Company Ltd | 02383984 | 12/10/1993 | 31/12/1995 | Dissolved |
| B O P LIMITED | 02025978 | 31/03/1993 | 31/12/1995 | Dissolved |
| BROPHY ENTERPRISE LIMITED | 01001462 | 22/01/1994 | 16/06/1995 | Insolvent |
| E-Water Ltd | 02290982 | 16/01/1993 | 01/04/1995 | Dissolved |
| ENGENICA LIMITED | 02295929 | 01/12/1992 | 01/04/1995 | Dissolved |
| Flow-Technical Services Ltd | 02370239 | 16/01/1993 | 01/04/1995 | Dissolved |
| Flowtechnics Ltd | 01861471 | 16/01/1993 | 01/04/1995 | Dissolved |
| J M A Ltd | 02041794 | 16/01/1993 | 01/04/1995 | Dissolved |
| Metro Lease | 02388489 | 24/05/1991 | 01/04/1995 | Dissolved |
| Morgan Collis Group Ltd | 01147709 | 16/01/1993 | 01/04/1995 | Dissolved |
| Penetryn Ltd | 02034373 | 16/01/1993 | 01/04/1995 | Dissolved |
| Peter Bryant (Cesspits) Ltd | 01585497 | 05/04/1992 | 31/12/1995 | Dissolved |
| S. HOLDINGS LIMITED | 02379475 | 25/06/1992 | 31/12/1995 | Dissolved |
| STERLING WATER SERVICES LIMITED | 02364116 | 02/02/1993 | 31/12/1995 | Dissolved |
| STIRLING ENVIRONMENTAL LIMITED | SC152780 | 21/10/1994 | 31/12/1995 | Dissolved |
| STIRLING WATER LIMITED | 01859587 | 02/02/1993 | 31/12/1995 | Dissolved |
| SUB-SCAN LIMITED | 02102834 | 14/06/1992 | 01/04/1995 | Dissolved |
| SUBTRONIC LIMITED | 01256106 | 30/11/1992 | 01/04/1995 | Dissolved |
| SURTA LIMITED | 01918188 | 16/04/1992 | 31/12/1995 | Dissolved |
| South Bucks Effluent Co Ltd | 02029271 | 02/02/1993 | 31/12/1995 | Dissolved |
| THAMES PIPELINE SOLUTIONS LIMITED | 02469817 | 13/03/1993 | 01/04/1995 | Dissolved |
| THAMES WASTE LIMITED | 02511705 | 14/06/1992 | 31/12/1995 | Dissolved |
| THAMES WATER DORM 1 LIMITED | 02479675 | 12/03/1992 | 31/12/1995 | Dissolved |
| THAMES WATER ENVIRONMENTAL SERVICES LIMITED | 02334443 | 23/07/1992 | 31/12/1995 | Dissolved |
| THAMES WATER SERVICES MR LIMITED | 01920247 | 01/12/1992 | 01/04/1995 | Dissolved |
| TOTAL PIPELINE SOLUTIONS LIMITED | 02423007 | 22/01/1994 | 31/12/1995 | Dissolved |
| Thames Bull Ltd | 02508744 | 05/06/1992 | 31/12/1995 | Dissolved |
| Thames Water Overseas Holdings | 02388490 | 24/05/1991 | 01/04/1995 | Dissolved |
| Thames Water Services Mk Ltd | 02295934 | 01/12/1992 | 01/04/1995 | Dissolved |
| Thames Water Services Mrf Ltd | 01731804 | 01/12/1992 | 01/04/1995 | Dissolved |
| Thames Water Services Mrl Ltd | 02245358 | 01/12/1992 | 01/04/1995 | Dissolved |
| Thames Water Services Mrs Ltd | 01733392 | 13/03/1992 | 01/04/1995 | Dissolved |
| VEOLIA WATER OUTSOURCING LIMITED | 02518607 | 04/07/1992 | 16/06/1995 | Gold |