| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Arrow Property Services Ltd | 03134184 | 05/12/1995 | Dissolved |
| E C S Clayton-Chambers Ltd | 03021710 | 25/10/1995 | Dissolved |
| Ecs Environmental Services Ltd | 03017842 | 21/02/1995 | Dissolved |
| Ecs Technical Services Ltd | 03021337 | 25/10/1995 | Dissolved |
| Engineering Construction Services (Northern) Ltd | 03021709 | 14/02/1995 | Dissolved |
| Engineering Construction Services Ltd | 02790731 | 30/01/1995 | Dissolved |
| Galamina Construction Ltd | 01776237 | 23/11/1991 | Dissolved |
| Hamdean Ltd | 03111819 | 17/11/1995 | Dissolved |
| Hiojen Environmental Systems Ltd | 02952673 | 26/07/1994 | Dissolved |
| Hiojen Ltd | 02996131 | 20/12/1994 | Dissolved |
| Hunton Industries Ltd | 01571430 | 23/11/1991 | Dissolved |
| J D T (Overseas) Ltd | 01314688 | 28/12/1990 | Dissolved |
| J.S.T. (Engineering) Limited | 01548579 | 28/12/1990 | Dissolved |
| Southern Counties (Specialist Contractors) Ltd | 03017843 | 21/02/1995 | Dissolved |
| Steamplan Ltd | 01090080 | 01/05/1995 | Dissolved |
| Summerfield & Tilbury Ltd | 02227644 | 23/11/1991 | Dissolved |
| Tranter,J D,(Engineering) Ltd | 01200672 | 23/11/1991 | Dissolved |
| Westward (High Wycombe) Ltd | 02314529 | 08/11/1991 | Dissolved |
| Witstone Ltd | 01737795 | 23/11/1991 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Boiler Supplies & Hire Ltd | 02053791 | 08/03/1993 | 03/01/1994 | Dissolved |
| Boiler Supplies & Installation Ltd | 02905903 | 08/03/1994 | 05/02/1996 | Dissolved |
| Boiler Supplies & Installation Ltd | 02905903 | 08/03/1994 | 30/11/1995 | Dissolved |
| Calco Manufacturing Ltd | 02966297 | 08/09/1994 | 09/10/1995 | Dissolved |