| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Baltimore Quarry Products Ltd | 04420063 | 22/04/2002 | Dissolved |
| C D G B LIMITED | 06354520 | 28/08/2007 | Silver |
| CONCRETE DEVELOPMENTS (GREAT BARR) LIMITED | 00488576 | 10/03/2003 | Bronze |
| CONCRETE DEVELOPMENTS (READYMIX) LTD | 10250720 | 24/06/2016 | Bronze |
| Mammoth Concrete Pumping Ltd | 03872182 | 05/11/1999 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CONCRETE DEVELOPMENTS (GREAT BARR) LIMITED | 00488576 | 01/08/1991 | 01/12/1999 | Bronze |