| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ADDESE LIMITED | 06502856 | 13/02/2008 | Dissolved |
| ALEX DAWSON ASSOCIATES LIMITED | 08933916 | 11/03/2014 | Dissolved |
| ALEX DAWSON LIMITED | 04668426 | 17/02/2003 | Dissolved |
| D.R.T.T. LIMITED | 07067585 | 05/11/2009 | Dissolved |
| REDPATH OFFSHORE (NORTH) LIMITED | 00399087 | 01/06/1992 | One Red Flag |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| KVAERNER OIL & GAS LIMITED | 02147603 | 31/01/1993 | 31/08/2000 | Insolvent |
| REDPATH OFFSHORE (SOUTH) LIMITED | 01467955 | 01/06/1992 | 05/05/1995 | One Red Flag |
| RGC OFFSHORE LIMITED | 00048947 | 07/01/1993 | 21/05/1999 | Insolvent |
| Saipem Energy International Ltd | 04164751 | 21/02/2001 | 25/10/2002 | Dissolved |
| TAG ENERGY SOLUTIONS LIMITED | 07379608 | 24/09/2010 | 22/10/2013 | Dissolved |
| TEES ALLIANCE GROUP CORPORATE LIMITED | 06486957 | 01/05/2008 | 30/01/2012 | Insolvent |
| TEES ALLIANCE GROUP LIMITED | 05798543 | 20/09/2007 | 22/10/2013 | Dissolved |
| THE HMS TRINCOMALEE TRUST | 02678419 | 08/01/2015 | 01/09/2017 | Silver |
| TRAFALGAR HOUSE ENGINEERING CONTRACTORS LIMITED | 02988900 | 13/12/1994 | 21/05/1999 | Dissolved |
| Tees Alliance Group Uk Ltd | 06269858 | 02/07/2007 | 30/04/2008 | Dissolved |
| Trafalgar House Offshore Holdings Ltd | 00949950 | 20/01/1993 | 19/04/1993 | Dissolved |