| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Ist Offshore Engineering Ltd | 03829188 | 20/08/1999 | Dissolved |
| The Marine Technology Directorate Ltd | 02022686 | 17/05/2001 | Dissolved |
| Tilbrook Energy Consultants Ltd | 03771424 | 17/05/1999 | Dissolved |
| Tilbrook Energy Consultants Ltd | 03771424 | 17/05/1999 | Dissolved |
| Zave Ltd | 03907491 | 17/01/2000 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| SOCIETY FOR UNDERWATER TECHNOLOGY(THE) | 00932590 | 06/12/2001 | 04/12/2003 | Silver |
| SOUTH BANK UNIVERSITY ENTERPRISES LTD. | 02307211 | 28/04/2010 | 13/01/2012 | Silver |
| The Marine Technology Directorate Ltd | 02022686 | 18/11/1996 | 30/06/1997 | Dissolved |