| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Excel Commercial Ltd | 03553251 | 27/04/1998 | Dissolved |
| GAD FENESTRATION LIMITED | 05283273 | 10/11/2006 | Dissolved |
| GAD FENESTRATION LIMITED | 05283273 | 31/08/2005 | Dissolved |
| Glazewell Contracts Ltd | 02051072 | 30/01/1991 | Dissolved |
| Glazewell Marketing Ltd | 02967268 | 13/09/1994 | Dissolved |
| HERITAGE WINDOWS TRUSTEES LIMITED | 07413734 | 20/10/2010 | Dissolved |
| Heritage Sealed Units Ltd | 04616905 | 29/09/2003 | Dissolved |
| JSB WINDOWS AND DOORS LIMITED | 03679162 | 19/12/2013 | Dissolved |
| Pvcu Colourboard Ltd. | 03519145 | 27/02/1998 | Dissolved |
| S W S Systems Ltd | 02416863 | 24/08/1992 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Clear Sight Productions Ltd | 03050433 | 27/04/1995 | 10/12/1997 | Dissolved |
| THE HERITAGE WINDOW COMPANY LIMITED | 04130929 | 27/12/2000 | 26/09/2014 | Silver |