| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| MIDLAND ELECTRICAL WINDING AND CONTRACTING LIMITED | SC059866 | 29/06/2001 | Dissolved |
| Marine Electrical Engineering Services Ltd | SC228238 | 26/03/2002 | Dissolved |
| Midland Access Services Ltd | SC282619 | 04/04/2005 | Dissolved |
| Midland Electrical Holdings Ltd | SC216191 | 01/10/2001 | Dissolved |
| Midland Marine Services Ltd | SC216193 | 12/02/2003 | Dissolved |
| Western Electrical Winding Ltd | SC225149 | 12/02/2003 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| MHSL SERVICES LIMITED | SC317233 | 05/09/2016 | 28/07/2018 | Silver |
| MIDLAND ELECTRICAL WINDING AND CONTRACTING LIMITED | SC059866 | 29/06/2001 | 27/10/2003 | Dissolved |
| Midland Electrical Holdings Ltd | SC216191 | 01/10/2001 | 30/11/2002 | Dissolved |
| SEMPLE PLC | SC032434 | 24/11/1999 | 23/03/2000 | Dissolved |
| Semple Cochrane Trustees Ltd | SC201156 | 30/11/1999 | 20/06/2000 | Dissolved |