| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| STENA FERRIES LIMITED | 01858789 | 15/04/2010 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CALEDONIAN MACBRAYNE LIMITED | SC308636 | 11/01/2007 | 30/04/2014 | Not Trading |
| CALEDONIAN MARITIME ASSETS LIMITED | SC001854 | 08/11/2006 | 30/04/2014 | Gold |
| INTERNATIONAL CHAMBER OF SHIPPING LIMITED | 02532887 | 02/06/2016 | 22/06/2022 | Amber |
| MERCHANT NAVY RATINGS PENSION FUND TRUSTEES LIMITED | 00862615 | 30/01/2020 | 01/02/2021 | Not Trading |
| MNP EG LIMITED | 07619470 | 15/09/2011 | 31/12/2021 | Silver |
| NORTHERN MARINE FERRIES LIMITED | SC094346 | 22/12/1988 | 06/12/2010 | Dissolved |
| NORTHERN MARINE MANAGEMENT LIMITED | SC082005 | 01/12/1991 | 01/01/2014 | One Red Flag |
| NORTHERN MARINE MANNING SERVICES LIMITED | SC090039 | 22/12/1988 | 06/12/2010 | Bronze |
| STENA (UK) LIMITED | 02766012 | 21/12/2009 | 08/12/2016 | Silver |
| STENA ICEMAX LIMITED | 08032269 | 16/04/2012 | 08/12/2016 | Amber |
| STENA LINE CAIRNRYAN LIMITED | 04888737 | 01/01/2010 | 01/02/2016 | Dissolved |
| STENA LINE IRISH SEA FERRIES LIMITED | 00247740 | 08/07/2011 | 01/02/2016 | Dissolved |
| STENA LINE MANNING SERVICES LIMITED | 03242135 | 01/01/2010 | 01/02/2016 | Gold |
| STENA LINE PORTS LIMITED | 01593558 | 01/01/2010 | 01/02/2016 | Gold |
| STENA LNG (UK) LIMITED | 09919387 | 16/12/2015 | 08/12/2016 | Gold |
| STENA NORTH SEA LIMITED | 04571379 | 15/04/2010 | 08/12/2016 | Silver |
| STENA ROPAX LIMITED | 01390769 | 15/04/2010 | 08/12/2016 | Silver |
| THE BRITISH SHIPPING FEDERATION LIMITED | 02107375 | 27/03/2012 | 20/03/2014 | Not Trading |
| THE CHAMBER OF SHIPPING LIMITED | 02107383 | 07/12/2010 | 18/03/2015 | Silver |
| THE SCOTTISH NAUTICAL WELFARE SOCIETY | SC229300 | 26/03/2002 | 21/08/2007 | Amber |