| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Supercast Enterprises Limited | 02660691 | 29/11/1991 | Dissolved |
| Supercast Foundries Ltd | 01535161 | 14/07/1991 | Dissolved |
| Supercast Foundries Ltd | 01535161 | 01/06/1996 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| DUDLEY FACTORY DOORS LIMITED | 03682062 | 16/06/2008 | 18/07/2018 | Not Trading |
| E & M LIMITED | 01341762 | 16/06/2008 | 10/09/2018 | Not Trading |
| JONES OF SMETHWICK LIMITED | 00969295 | 16/06/2008 | 18/07/2018 | Not Trading |
| S.I.S. GROUP LIMITED | 01910659 | 31/12/2002 | 03/10/2017 | Not Trading |
| S.I.S. GROUP LIMITED | 01910659 | 16/06/2008 | 03/10/2017 | Not Trading |
| SMETHWICK CRANE AND PLANT HIRE LIMITED | 01081335 | 31/12/2002 | 03/10/2017 | Not Trading |
| SMETHWICK CRANE AND PLANT HIRE LIMITED | 01081335 | 16/06/2008 | 03/10/2017 | Not Trading |
| SMETHWICK FABRICATIONS LIMITED | 00778304 | 31/12/2002 | 03/10/2017 | One Red Flag |
| SMETHWICK FABRICATIONS LIMITED | 00778304 | 03/08/2009 | 03/10/2017 | One Red Flag |
| SMETHWICK INDUSTRIAL SERVICES LIMITED | 01081607 | 31/12/2002 | 03/10/2017 | Amber |
| SMETHWICK INDUSTRIAL SERVICES LIMITED | 01081607 | 01/02/2014 | 18/07/2018 | Amber |
| SMETHWICK MAINTENANCE COMPANY LIMITED | 00598051 | 31/12/2002 | 25/05/2016 | Bronze |
| SMETHWICK MAINTENANCE COMPANY LIMITED | 00598051 | 14/05/2007 | 05/12/2008 | Bronze |
| SMETHWICK SECURITY SERVICES LIMITED | 01377668 | 31/12/2002 | 10/09/2018 | Not Trading |
| SMETHWICK SECURITY SERVICES LIMITED | 01377668 | 16/06/2008 | 10/09/2018 | Not Trading |
| THE PRIORY DOOR GROUP LIMITED | 00038410 | 16/06/2008 | 01/12/2011 | Not Trading |
| WORSON DIE CUSHIONS LIMITED | 02570059 | 16/06/2008 | 13/10/2017 | Not Trading |