| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| B C I R A | 00174990 | 06/12/1991 | Dissolved |
| CHARTER CASTINGS LIMITED | 01587253 | 17/05/2018 | One Red Flag |
| EXCELSIS LIMITED | 01526412 | 16/08/1991 | Not Trading |
| HILL TOP FOUNDRY LIMITED | 00193777 | 16/08/1991 | Not Trading |
| Housing Management Solutions Limited | 02550036 | 18/10/1992 | Dissolved |
| INTERNATIONAL DRILLING SERVICES LIMITED | 01331625 | 03/05/2011 | Bronze |
| ISIS LIMITED | 01580086 | 16/08/1991 | Not Trading |
| LG OPTICAL (MFG) LIMITED | 03761516 | 05/10/2007 | One Red Flag |
| Martley Aggregates Ltd | 01415758 | 16/08/1991 | Dissolved |
| NEWBY AND SON (IRONFOUNDERS) LIMITED | 01970514 | 16/08/1991 | Not Trading |
| NEWBY FOUNDRIES LIMITED | 00112453 | 16/08/1991 | One Red Flag |
| NEWBY HOLDINGS LIMITED | 00344599 | 19/04/1992 | Gold |
| NEWBY INVESTMENT CASTINGS LTD | 02837884 | 21/07/1993 | Dissolved |
| Progress Foundry Ltd | 00671786 | 16/08/1991 | Dissolved |
| REACTIVE ALLOYS FOUNDRY LIMITED | 05280624 | 15/03/2006 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| B C S ASSOCIATES LIMITED | 03605480 | 08/09/1999 | 15/09/2011 | Not Trading |
| BLACK COUNTRY CARE SERVICES LIMITED | 04775975 | 23/05/2003 | 15/09/2011 | Not Trading |
| British Foundry Association Ltd | SC179184 | 29/09/1997 | 31/03/2001 | Dissolved |
| COMINO LIMITED | 01327534 | 03/10/1997 | 31/03/2006 | Dissolved |
| John White Engineering Agencies Limited | 01281072 | 09/04/1992 | 13/03/1996 | Dissolved |
| RUDGE NEWBY LIMITED | 02930014 | 23/07/1999 | 20/12/2000 | Dissolved |
| THE FOUNDRY ASSOCIATION | 03157646 | 08/02/1996 | 23/10/2015 | Insolvent |
| WOLVERHAMPTON INDUSTRIAL ENGINES LIMITED | 01278912 | 11/12/1992 | 07/05/1993 | Insolvent |