| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Broomco (4080) Ltd | 06201517 | 03/04/2007 | Dissolved |
| POWERTRAIN DEVELOPMENT COMPANY LIMITED | 03097585 | 31/12/1998 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CSA GROUP TESTING UK LIMITED | 02888007 | 17/03/1998 | 11/10/2013 | Silver |
| F2P LTD | 06646811 | 15/07/2008 | 30/11/2010 | Dissolved |
| FABER INTERNATIONAL LIMITED | 06627678 | 24/06/2008 | 30/11/2010 | Dissolved |
| INFINERGEN LTD | 07030398 | 25/09/2009 | 30/11/2010 | Dissolved |
| JUNO RACING CARS LIMITED | 07437289 | 20/05/2013 | 13/08/2014 | Dissolved |
| LEYLAND CONSULTING LIMITED | 03143359 | 31/12/1998 | 11/10/2013 | Dissolved |
| LEYLAND TECHNICAL CENTRE LIMITED | 03382441 | 31/12/1998 | 11/10/2013 | Dissolved |
| LTC LIMITED | 03029767 | 31/12/1998 | 11/10/2013 | Dissolved |
| MI AUTOMOTIVE TECHNOLOGY LIMITED | 02899074 | 17/03/1998 | 11/10/2013 | Dissolved |
| MI DEVELOPMENT TECHNOLOGY LIMITED | 03143356 | 31/12/1998 | 11/10/2013 | Dissolved |
| MI POWERTRAIN LIMITED | 03143358 | 31/12/1998 | 11/10/2013 | Dissolved |
| MI TECHNOLOGY GROUP HOLDINGS LIMITED | 03659151 | 30/12/1998 | 11/10/2013 | Dissolved |
| MI TECHNOLOGY INVESTMENTS LIMITED | 06201922 | 03/04/2007 | 11/10/2013 | Dissolved |
| MI TECHNOLOGY LIMITED | 03143357 | 31/12/1998 | 11/10/2013 | Dissolved |
| NORTHERN AUTOMOTIVE ALLIANCE LTD | 04895079 | 10/09/2003 | 14/05/2007 | Silver |
| TMV INTEGRATION LTD | 07064427 | 03/11/2009 | 02/12/2011 | Dissolved |
| TMV LTD | 06568602 | 17/04/2008 | 02/12/2011 | One Red Flag |