| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Atlanta Engineering Ltd | 03023018 | 01/02/2008 | Dissolved |
| C.I.S. Wilson Ltd | 03546634 | 01/02/2008 | Dissolved |
| C.I.S. Wilson Pipe Fittings Ltd | SC186435 | 01/02/2008 | Dissolved |
| Independent Valve & Pipeline Services Ltd | 02091935 | 01/02/2008 | Dissolved |
| OCYT 1 LIMITED | 02100437 | 13/10/2006 | Dissolved |
| OCYT 2 LIMITED | 00216890 | 13/10/2006 | Dissolved |
| OCYT 3 LIMITED | 00401642 | 13/10/2006 | Not Trading |
| OCYT 4 LIMITED | 00152365 | 13/10/2006 | Dissolved |
| Wilson Pipe Fittings Ltd | 02495584 | 01/02/2008 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ADT FIRE AND SECURITY PLC | 01161045 | 31/03/2011 | 11/10/2012 | Silver |
| ATLANTIC PLASTICS LIMITED | 01154347 | 01/02/2008 | 29/09/2010 | Gold |
| C.I.S. (CAST IRON SERVICES) LIMITED | 01303919 | 01/02/2008 | 29/09/2010 | Dissolved |
| EDWARD BARBER & COMPANY LIMITED | 00212339 | 01/02/2008 | 29/09/2012 | Dissolved |
| EDWARD BARBER (U.K.) LIMITED | 01594821 | 01/02/2008 | 29/09/2012 | Dissolved |
| EMERSON AUTOMATION SOLUTIONS FINAL CONTROL UK II LTD | 03814871 | 26/03/2010 | 29/09/2012 | Dissolved |
| EMERSON AUTOMATION SOLUTIONS SSC UK LIMITED | 03691639 | 30/09/2007 | 29/09/2012 | Bronze |
| ERHARD VALVES LIMITED | 02474413 | 19/09/2008 | 29/09/2010 | Dissolved |
| PENTAIR TUBING LIMITED | 00223955 | 13/10/2006 | 29/09/2012 | Dissolved |
| STRATE (UK) LIMITED | 03159635 | 19/09/2008 | 29/09/2010 | Dissolved |
| TYCO FIRE & INTEGRATED SOLUTIONS (UK) LIMITED | 01952517 | 31/03/2011 | 29/08/2012 | Silver |
| TYCO HOLDINGS (U.K.) LIMITED | 02504868 | 09/12/2008 | 16/08/2012 | Silver |
| WESTLOCK CONTROLS LIMITED | 02382720 | 30/09/2007 | 29/09/2012 | Dissolved |