| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Brown,John,Engineers & Constructors (Portsmouth) Ltd | 00508576 | 31/03/1992 | Dissolved |
| C J B (Projects) Ltd | 00744085 | 30/05/1991 | Dissolved |
| FOUR SEASONS PROCUREMENT LIMITED | 09109400 | 01/07/2014 | Dissolved |
| Trafalgar Quality Management Services Ltd | 02631731 | 02/05/1995 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Alcon Biotechnology Ltd | 01023442 | 17/08/1992 | 30/11/1998 | Dissolved |
| CRAWFORD & RUSSELL INTERNATIONAL LIMITED | 00510149 | 10/05/1991 | 09/07/1997 | Insolvent |
| CRITICAL MARITIME SYSTEMS & SUPPORT LIMITED | 00953609 | 01/05/1992 | 31/10/1992 | Silver |
| JOHN BROWN E & C LTD | 03712896 | 15/12/2004 | 10/01/2005 | Dissolved |
| LISS HEART TRUST LIMITED | 03817000 | 12/01/2004 | 29/07/2019 | Strike Off |
| Nova Steel Ltd | 02669561 | 14/05/2001 | 26/11/2003 | Dissolved |
| Nova Steel Ltd | 02669561 | 02/12/1999 | 26/11/2003 | Dissolved |
| SIEGL PRESKEY SMITH FINANCING LTD | 06294894 | 12/10/2007 | 01/09/2019 | Dissolved |
| WORLEY E&C INTERNATIONAL LIMITED | 01896128 | 10/05/1992 | 09/07/1997 | Silver |
| WORLEY FIELD SERVICES LIMITED | 00454398 | 31/03/1992 | 30/11/1998 | One Red Flag |