| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Finch Investments Ltd | 04174051 | 18/06/2001 | Dissolved |
| I M O Precision Electronics Ltd | 01790944 | 26/10/1991 | Dissolved |
| I M O Properties Ltd | 00726327 | 31/12/1990 | Dissolved |
| Imo (Power) Limited | 02195136 | 14/09/1992 | Dissolved |
| Imo Automation Ltd | 02623348 | 24/06/1991 | Dissolved |
| Leafstar Ltd | 04228524 | 19/06/2001 | Dissolved |
| Omron Ltd | 01740714 | 27/09/1999 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CA 2010 PLC | 02808331 | 19/09/2007 | 24/09/2009 | Dissolved |
| I.M.O. ELECTRONICS LIMITED | 01240559 | 08/02/1992 | 08/12/2017 | Not Trading |
| I.M.O. PRECISION CONTROLS LIMITED | 00770038 | 26/10/1991 | 08/12/2017 | Silver |
| IMO GROUP OF COMPANIES LIMITED | 02201707 | 14/09/1992 | 08/12/2017 | Not Trading |
| IMO MANAGEMENT LIMITED | 02653641 | 31/05/2000 | 08/12/2017 | Not Trading |
| STAG ELECTRICAL LIMITED | 04644249 | 10/02/2003 | 08/12/2017 | Not Trading |
| THE UNIVERSITY COLLEGE LONDON HOSPITALS CHARITABLE FOUNDATION | 03807203 | 30/07/1999 | 23/03/2018 | Silver |
| The Ort Trust | 03158782 | 23/07/1996 | 18/05/2000 | Dissolved |
| USL EUROPE LTD | 07875522 | 17/04/2013 | 08/12/2017 | Strike Off |
| WORLD ORT TRUST | 02967916 | 22/07/2008 | 08/07/2009 | Bronze |