| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| J J T Precision Ltd | 03804543 | 31/07/2000 | Dissolved |
| Jasco Engineering (Birmingham) Ltd | 02700972 | 26/03/1993 | Dissolved |
| Jasco Jigs & Tools Ltd | 02932735 | 23/06/1994 | Dissolved |
| Jasco Tools Ltd | 03279676 | 18/11/1996 | Dissolved |
| Jasco Tools Ltd | 03279676 | 18/11/1996 | Dissolved |
| Supercrest Engineering Ltd | 04144729 | 02/09/2001 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| J & G Precision Machining Ltd | 03135649 | 08/12/1995 | 03/10/2003 | Dissolved |
| J & G Precision Machining Ltd | 03135649 | 08/12/1995 | 03/10/2003 | Dissolved |
| Supercrest Engineering Products Ltd | 04296840 | 08/10/2001 | 03/10/2003 | Dissolved |