| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| J B Microsystems Ltd | 01399311 | 30/03/1992 | Dissolved |
| Msc Solent Ltd | 02369697 | 04/08/1992 | Dissolved |
| Vosper Thornycroft Industry Ltd | 02369703 | 04/08/1992 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| APPLIED KILOVOLTS GROUP HOLDINGS LIMITED | 06113501 | 01/06/2007 | 12/04/2012 | Dissolved |
| AT ENGINE CONTROLS LIMITED | 05087739 | 20/07/2004 | 09/02/2005 | Amber |
| AT ENGINE CONTROLS LIMITED | 05087739 | 20/07/2004 | 02/08/2016 | Amber |
| BAB MP LIMITED | 02766258 | 01/03/1995 | 30/07/2004 | Dissolved |
| BABCOCK ENGINE CONTROLS LIMITED | 04416152 | 23/05/2003 | 30/07/2004 | Dissolved |
| BABCOCK ENGINEERING LIMITED | 04411518 | 30/04/2003 | 30/07/2004 | Not Trading |
| BABCOCK MARINE PRODUCTS LIMITED | 03658278 | 26/11/1998 | 30/07/2004 | Not Trading |
| BABCOCK PARTNER NO 6 LIMITED | 00624347 | 30/07/1996 | 30/07/2004 | Dissolved |
| BABCOCK PARTNER NO 7 LIMITED | 00272806 | 02/07/1999 | 30/07/2004 | Dissolved |
| BABCOCK SOUTHERN HOLDINGS LIMITED | 01915771 | 18/09/1997 | 09/08/2004 | Bronze |
| FORM LAND SUPPORT LIMITED | 00915636 | 08/09/1999 | 30/07/2004 | Strike Off |
| HSDE LIMITED | 09192890 | 29/08/2014 | 31/07/2016 | Not Trading |
| Pp Jet Ltd | 02019417 | 08/09/1999 | 30/07/2004 | Dissolved |
| ROLLS-ROYCE MARINE ELECTRICAL SYSTEMS LIMITED | 02766255 | 01/03/1995 | 11/08/2003 | Dissolved |
| SARELINE (EU) LIMITED | 05103073 | 15/04/2004 | 09/02/2005 | Not Trading |
| SARELINE (EU) LIMITED | 05103073 | 15/04/2004 | 02/08/2016 | Not Trading |
| TELEDYNE S G BROWN LIMITED | 05345647 | 12/05/2005 | 31/01/2008 | Dissolved |
| TELEDYNE TSS LIMITED | 01406067 | 23/12/1998 | 30/07/2004 | Dissolved |
| VOSPER THORNYCROFT (UK) LIMITED | 00070274 | 18/09/1997 | 30/07/2004 | Bronze |
| Vospower Ltd | 03806103 | 07/09/2000 | 30/07/2004 | Dissolved |