| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Johnson Progress (Holdings) Ltd | 02255862 | 04/06/1991 | Dissolved |
| Johnson Progress Ltd | 02744472 | 01/12/1992 | Dissolved |
| Jp Filtration Ltd | 02255854 | 10/05/1991 | Dissolved |
| STAFFORDSHIRE PUBLIC WORKS COMPANY,LIMITED(THE) | 00200470 | 04/06/1991 | Dissolved |
| Spw Mechanical Engineers Ltd | 02308350 | 04/06/1991 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ELDER ENGINEERING LIMITED | 01562497 | 04/06/1991 | 17/03/2022 | Silver |
| NCK LIMITED | 02416584 | 24/08/1991 | 04/06/1993 | Not Trading |
| S.H. JOHNSON AND COMPANY LIMITED | 02549430 | 17/10/1991 | 17/11/2022 | Amber |
| SPW TRAFFIC CONTROL LIMITED | 01554163 | 04/06/1991 | 06/07/2005 | Strike Off |