| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Haydon Air Conditioning Ltd | 01426200 | 20/07/1999 | Dissolved |
| Haydon Distribution Ltd | 01323244 | 20/07/1999 | Dissolved |
| Haydon Group Ltd | 00550803 | 20/07/1999 | Dissolved |
| Haydon Management Services Ltd | 02469557 | 20/07/1999 | Dissolved |
| Kentair (Wholesale) Ltd | 00802893 | 20/07/1999 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ABS PUMPS WATER AND WASTE LIMITED | 01277352 | 01/06/1994 | 19/03/1999 | Dissolved |
| AMPCO 113 LIMITED | 09652357 | 31/07/2015 | 30/06/2016 | Not Trading |
| BRUNEL BUILDING PLASTICS LIMITED | 05671523 | 11/01/2006 | 30/06/2016 | Dissolved |
| CAVALOK BUILDING PRODUCTS LIMITED | 06765811 | 04/12/2008 | 30/06/2016 | Not Trading |
| CBRE GWS LIMITED | 00661449 | 28/04/1999 | 31/07/2004 | Amber |
| DEEPLAS BUILDING PLASTICS LIMITED | 07024908 | 21/09/2009 | 30/06/2016 | Not Trading |
| DEEPLAS LIMITED | 07024823 | 21/09/2009 | 30/06/2016 | Not Trading |
| EUROCELL BUILDING PLASTICS LIMITED | 03071407 | 30/09/2004 | 30/06/2016 | Bronze |
| EUROCELL GROUP LIMITED | 02218483 | 16/12/2013 | 30/06/2016 | Silver |
| EUROCELL HOLDINGS LIMITED | 08654336 | 16/12/2013 | 30/06/2016 | Silver |
| EUROCELL PLASTICS LIMITED | 06435876 | 23/11/2007 | 30/06/2016 | Not Trading |
| EUROCELL PLC | 08654028 | 16/12/2013 | 30/06/2016 | Bronze |
| EUROCELL PROFILES LIMITED | 02649790 | 30/09/2004 | 30/06/2016 | Gold |
| EUROCELL WINDOW SYSTEMS LIMITED | 06448060 | 07/12/2007 | 30/06/2016 | Not Trading |
| FAIRBROOK GROUP LIMITED | 06448178 | 07/12/2007 | 30/06/2016 | Not Trading |
| FAIRBROOK HOLDINGS LIMITED | 06448183 | 07/12/2007 | 30/06/2016 | Not Trading |
| FAIRBROOK LIMITED | 06471532 | 14/01/2008 | 30/06/2016 | Not Trading |
| J. & S. PUMPS LIMITED | 00667119 | 01/06/1994 | 19/03/1999 | Dissolved |
| JOHNSON CONTROL SYSTEMS PENSIONS LIMITED | 01948744 | 28/04/1999 | 31/12/2004 | Dissolved |
| JOHNSON CONTROLS INVESTMENTS (UK) LIMITED | 04134176 | 15/02/2001 | 31/07/2004 | Bronze |
| LINIAR LIMITED | 03360857 | 30/09/2004 | 23/03/2005 | Silver |
| Landis & Gyr (U K) | 01888048 | 06/04/1992 | 31/05/1993 | Dissolved |
| Landis & Staefa (U K) Ltd | 00124087 | 17/04/1992 | 31/05/1993 | Dissolved |
| MERRITT ENGINEERING LIMITED | 03174904 | 16/03/2009 | 30/06/2016 | Not Trading |
| MERRITT PLASTICS LIMITED | 03064075 | 16/03/2009 | 30/06/2016 | Not Trading |
| NORTHAMPTON PROFILES LIMITED | 06555382 | 04/04/2008 | 30/06/2016 | Dissolved |
| PENINSULA PLASTICS LIMITED | 03189911 | 11/02/2008 | 30/06/2016 | Dissolved |
| Paul Carter (Environmental Services) Ltd | 01588080 | 20/07/1999 | 31/07/2004 | Dissolved |
| REVERSIBLE SYSTEMS LIMITED | 06624303 | 19/06/2008 | 30/06/2016 | Dissolved |
| S. AND S. PLASTICS LIMITED | 02034988 | 31/07/2015 | 30/06/2016 | Not Trading |
| SCABA LIMITED | 02019289 | 10/11/1995 | 19/03/1999 | Dissolved |
| SCANPUMP LIMITED | 00983544 | 01/05/1994 | 19/03/1999 | Dissolved |
| SHEET PLASTIC UK LIMITED | 03969450 | 11/02/2008 | 30/06/2016 | Dissolved |
| SULZER PUMPS WASTEWATER UK LIMITED | 02447926 | 25/10/1993 | 19/03/1999 | Amber |
| TARPEY-HARRIS LIMITED | 00958369 | 30/09/2004 | 23/03/2005 | Silver |
| VISTA PANELS LIMITED | 03006563 | 08/03/2016 | 30/06/2016 | Bronze |