| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BRADFIELD NO.1 LIMITED | 02675283 | 04/07/2006 | Dissolved |
| BRADFIELD NO.1 LIMITED | 02675283 | 01/07/2003 | Dissolved |
| Bradfield No 11 Ltd | 02814574 | 04/07/2006 | Dissolved |
| Bradfield No 11 Ltd | 02814574 | 01/07/2003 | Dissolved |
| Bradfield No.4 Ltd | 02595887 | 04/07/2006 | Dissolved |
| Bradfield No.4 Ltd | 02595887 | 01/07/2003 | Dissolved |
| Bradfield No.8 Ltd | 02588478 | 04/07/2006 | Dissolved |
| Bradfield No.8 Ltd | 02588478 | 01/07/2003 | Dissolved |
| DIFFUSION BMS LIMITED | 00678859 | 04/07/2006 | Dissolved |
| DIFFUSION BMS LIMITED | 00678859 | 01/07/2003 | Dissolved |
| DIFFUSION LIFTS SERVICES LIMITED | 02716063 | 04/07/2006 | Dissolved |
| DIFFUSION LIFTS SERVICES LIMITED | 02716063 | 01/07/2003 | Dissolved |
| DIFFUSION SALES LIMITED | 04742777 | 24/04/2003 | Dissolved |
| DIFFUSION SALES LIMITED | 04742777 | 24/04/2003 | Dissolved |
| Et Finance Ltd | 02912033 | 04/07/2006 | Dissolved |
| Et Finance Ltd | 02912033 | 01/07/2003 | Dissolved |
| Et Project Management Ltd | 02675284 | 04/07/2006 | Dissolved |
| Et Project Management Ltd | 02675284 | 01/07/2003 | Dissolved |
| INTERPHONE LIMITED | 00692333 | 05/08/2015 | Silver |
| MERCURY GROUP PLC | 03826434 | 01/05/2008 | Dissolved |
| WITAN GATE LIMITED | 05452424 | 29/01/2010 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BRADFIELD NO.1 LIMITED | 02675283 | 01/03/1996 | 01/01/2002 | Dissolved |
| BRADFIELD NO.1 LIMITED | 02675283 | 09/11/1998 | 01/01/2002 | Dissolved |
| Bamfords International Ltd | 01591831 | 01/03/1996 | 01/01/2002 | Dissolved |
| Bamfords International Ltd | 01591831 | 09/11/1998 | 01/01/2002 | Dissolved |
| Bradfield No 11 Ltd | 02814574 | 01/03/1996 | 01/01/2002 | Dissolved |
| Bradfield No 11 Ltd | 02814574 | 09/11/1998 | 01/01/2002 | Dissolved |
| Bradfield No.4 Ltd | 02595887 | 01/03/1996 | 01/01/2002 | Dissolved |
| Bradfield No.4 Ltd | 02595887 | 09/11/1998 | 01/01/2002 | Dissolved |
| Bradfield No.7 Ltd | 00634394 | 01/03/1996 | 01/01/2002 | Dissolved |
| Bradfield No.7 Ltd | 00634394 | 09/11/1998 | 01/01/2002 | Dissolved |
| Bradfield No.8 Ltd | 02588478 | 01/03/1996 | 01/01/2002 | Dissolved |
| Bradfield No.8 Ltd | 02588478 | 09/11/1998 | 01/01/2002 | Dissolved |
| CHESTERTON UK SERVICES LIMITED | 05334580 | 04/07/2008 | 01/12/2008 | Silver |
| COMBAT HVAC LIMITED | 02955148 | 23/04/1997 | 05/08/1999 | Dissolved |
| COMBAT HVAC LIMITED | 02955148 | 09/11/1998 | 05/08/1999 | Dissolved |
| COUNTYTRAC LIMITED | 00845061 | 01/03/1996 | 07/04/2000 | Silver |
| COUNTYTRAC LIMITED | 00845061 | 09/11/1998 | 07/04/2000 | Silver |
| County Tractors Ltd | 01709797 | 01/03/1996 | 01/01/2002 | Dissolved |
| County Tractors Ltd | 01709797 | 09/11/1998 | 01/01/2002 | Dissolved |
| DIFFUSION BMS LIMITED | 00678859 | 01/03/1996 | 01/01/2002 | Dissolved |
| DIFFUSION BMS LIMITED | 00678859 | 09/11/1998 | 01/01/2002 | Dissolved |
| DIFFUSION ENVIRONMENTAL SYSTEMS LIMITED | 04743023 | 24/04/2003 | 23/12/2015 | Not Trading |
| DIFFUSION ENVIRONMENTAL SYSTEMS LIMITED | 04743023 | 24/04/2003 | 23/12/2015 | Not Trading |
| DIFFUSION LIFTS SERVICES LIMITED | 02716063 | 01/03/1996 | 01/01/2002 | Dissolved |
| DIFFUSION LIFTS SERVICES LIMITED | 02716063 | 09/11/1998 | 01/01/2002 | Dissolved |
| ENERGY TECHNIQUE LIMITED | 00013273 | 04/07/2006 | 23/12/2015 | Not Trading |
| ENERGY TECHNIQUE LIMITED | 00013273 | 01/07/2003 | 11/04/2006 | Not Trading |
| ET ENVIRONMENTAL LIMITED | 00759625 | 01/03/1996 | 01/01/2002 | Not Trading |
| ET ENVIRONMENTAL LIMITED | 00759625 | 01/07/2003 | 23/12/2015 | Not Trading |
| EVOLUTION TECHNICAL SERVICES LIMITED | 04742763 | 24/04/2003 | 24/03/2011 | Bronze |
| EVOLUTION TECHNICAL SERVICES LIMITED | 04742763 | 24/04/2003 | 24/03/2011 | Bronze |
| Et Finance Ltd | 02912033 | 01/03/1996 | 01/01/2002 | Dissolved |
| Et Finance Ltd | 02912033 | 09/11/1998 | 01/01/2002 | Dissolved |
| Et Project Management Ltd | 02675284 | 01/03/1996 | 01/01/2002 | Dissolved |
| Et Project Management Ltd | 02675284 | 09/11/1998 | 01/01/2002 | Dissolved |
| Fray,Joseph,Ltd | 02675287 | 01/03/1996 | 29/11/1996 | Dissolved |
| HYTEX DUO LIMITED | 02552760 | 01/03/1996 | 29/11/1996 | One Red Flag |
| INOXPA (UK) LTD | 02647623 | 01/03/1996 | 01/03/1996 | Gold |
| INTERPHONE LIMITED | 00692333 | 05/08/2015 | 18/09/2023 | Silver |
| Neepsend Investment Company Limited | 00973107 | 01/03/1996 | 01/01/2002 | Dissolved |
| Neepsend Investment Company Limited | 00973107 | 09/11/1998 | 01/01/2002 | Dissolved |
| POLE STAR SPACE APPLICATIONS LIMITED | 03505279 | 01/09/2012 | 26/03/2021 | Bronze |
| Slough Packaging Ltd | 00926190 | 21/05/1992 | 31/12/1992 | Dissolved |