| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| PORT OF CAIRNRYAN LIMITED | 04914754 | 09/10/2003 | 09/09/2009 | Bronze |
| STENA LINE (IRISH SEA) LIMITED | 05071064 | 11/03/2004 | 30/11/2012 | Dissolved |
| STENA LINE (UK) LIMITED | 02454575 | 13/01/2003 | 30/11/2012 | Silver |
| STENA LINE (UK) OPERATIONS FINANCE LIMITED | 02653610 | 13/01/2003 | 30/11/2012 | Dissolved |
| STENA LINE CAIRNRYAN LIMITED | 04888737 | 09/10/2003 | 30/11/2012 | Dissolved |
| STENA LINE DISTRIBUTION (HOLDINGS) LIMITED | 01799402 | 13/01/2003 | 30/11/2012 | Dissolved |
| STENA LINE DISTRIBUTION LIMITED | 00889975 | 13/01/2003 | 30/11/2012 | Dissolved |
| STENA LINE HOLIDAYS LIMITED | 00549588 | 13/01/2003 | 30/11/2012 | Dissolved |
| STENA LINE IRISH SEA FERRIES LIMITED | 00247740 | 01/12/2010 | 30/11/2012 | Dissolved |
| STENA LINE LIMITED | 01402237 | 13/01/2003 | 30/11/2012 | Gold |
| STENA LINE MANNING SERVICES LIMITED | 03242135 | 13/01/2003 | 30/11/2012 | Gold |
| STENA LINE NOMINEES LIMITED | 00146836 | 13/01/2003 | 30/11/2012 | Dissolved |
| STENA LINE PORTS (LOCH RYAN) LIMITED | SC286272 | 08/10/2008 | 30/11/2012 | Silver |
| STENA LINE PORTS LIMITED | 01593558 | 13/01/2003 | 30/11/2012 | Gold |
| STENA LINE SCOTLAND LIMITED | SC009454 | 13/01/2003 | 30/11/2012 | Dissolved |
| STENA SPEY DRILLING LIMITED | 02540066 | 13/01/2003 | 27/02/2007 | Silver |
| STENA SPEY LEASING LIMITED | 05071066 | 11/03/2004 | 27/02/2007 | Amber |