| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Langage Development Ltd | 04520279 | 28/08/2002 | Dissolved |
| TARTARUGA LIMITED | 05483414 | 16/06/2005 | Dissolved |
| TARTARUGA LIMITED | 05483414 | 16/06/2005 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ACERGY EQUIPMENT LIMITED | SC148981 | 04/12/2003 | 13/07/2009 | Dissolved |
| ACERGY SERVICES LIMITED | 01902584 | 23/03/2006 | 13/07/2009 | Dissolved |
| Brimsdown Power | 03684960 | 12/07/2002 | 13/01/2003 | Dissolved |
| CEONA CHARTERING (UK) LIMITED | 08447784 | 15/03/2013 | 20/08/2013 | Insolvent |
| CEONA CONTRACTING (UK) LIMITED | 08447856 | 15/03/2013 | 20/08/2013 | Insolvent |
| CEONA EQUIPMENT LIMITED | 08473801 | 04/04/2013 | 20/08/2013 | Dissolved |
| CEONA HOLDING LTD | FC031392 | 13/06/2013 | 20/08/2013 | Insolvent |
| CEONA INVESTMENTS LIMITED | 08474012 | 04/04/2013 | 20/08/2013 | Insolvent |
| CEONA PTE. LTD. | FC031409 | 26/06/2013 | 20/08/2013 | Amber |
| CEONA SERVICES (UK) LIMITED | 07792825 | 30/09/2011 | 20/08/2013 | Insolvent |
| CEONA SHIP 1 LIMITED | 08447952 | 15/03/2013 | 20/08/2013 | Insolvent |
| CEONA SHIP 2 LIMITED | 08449124 | 18/03/2013 | 10/08/2013 | Dissolved |
| CEONA SHIP 3 LIMITED | 08449199 | 18/03/2013 | 20/08/2013 | Dissolved |
| CEONA SHIP HOLDINGS LIMITED | 08448785 | 18/03/2013 | 20/08/2013 | Dissolved |
| COLT TECHNOLOGY SERVICES GROUP LIMITED | 03232904 | 02/09/2009 | 31/12/2010 | Silver |
| ENFIELD OPERATIONS (UK) LIMITED | 03462736 | 12/07/2002 | 12/11/2002 | Dissolved |
| EOL LIMITED | 01423938 | 21/02/2005 | 10/09/2007 | Dissolved |
| EP LANGAGE LIMITED | 03462783 | 12/07/2002 | 12/11/2002 | Gold |
| EP SHB LIMITED | 02571241 | 29/10/1996 | 02/03/2000 | Silver |
| HUMBERLAND LIMITED | 02949541 | 29/10/1996 | 02/03/2000 | Not Trading |
| KILLINGHOLME GENERATION LIMITED | 03856304 | 31/01/2003 | 28/03/2003 | Dissolved |
| KILLINGHOLME GENERATION LIMITED | 03856304 | 12/07/2002 | 28/03/2003 | Dissolved |
| KILLINGHOLME HOLDINGS LIMITED | 03929730 | 31/01/2003 | 28/03/2003 | Dissolved |
| KILLINGHOLME HOLDINGS LIMITED | 03929730 | 12/07/2002 | 28/03/2003 | Dissolved |
| KILLINGHOLME PENSIONS LIMITED | 04142158 | 16/03/2001 | 27/03/2003 | Dissolved |
| KILLINGHOLME POWER | 03782437 | 31/01/2003 | 28/03/2003 | Dissolved |
| KILLINGHOLME POWER | 03782437 | 12/07/2002 | 28/03/2003 | Dissolved |
| KILLINGHOLME POWER GROUP LIMITED | 04498075 | 23/01/2003 | 28/03/2003 | Dissolved |
| KILLINGHOLME POWER GROUP LIMITED | 04498075 | 23/01/2003 | 28/03/2003 | Dissolved |
| LANGAGE ENERGY PARK LIMITED | 03886291 | 12/07/2002 | 12/11/2002 | Bronze |
| NEWCO 987 LIMITED | 08121687 | 27/06/2012 | 20/08/2013 | Dissolved |
| Nrg Energy Ltd. | 02865102 | 12/07/2002 | 31/01/2003 | Dissolved |
| Nrgenerating Energy Trading Ltd | 03930148 | 12/07/2002 | 31/01/2003 | Dissolved |
| Nrgenerating, Ltd. | 03902141 | 12/07/2002 | 31/01/2003 | Dissolved |
| OIG GIANT I PTE. LTD. | FC031410 | 26/06/2013 | 20/08/2013 | Silver |
| OIG GIANT II PTE. LTD. | FC031411 | 26/06/2013 | 20/08/2013 | One Red Flag |
| OIG GIANT III PTE. LTD. | FC031412 | 26/06/2013 | 20/08/2013 | Dissolved |
| POWER CAPITAL MANAGEMENT LTD | 04538468 | 18/09/2002 | 12/09/2003 | Dissolved |
| PROJECT DEVELOPMENT INTERNATIONAL LIMITED | 04767497 | 30/07/2012 | 02/09/2013 | Silver |
| SCS SHIPPING CORPORATION | SF000741 | 31/07/2003 | 13/07/2009 | Dissolved |
| SUBSEA 7 BLUE SPACE LIMITED | SC128705 | 06/12/2004 | 13/07/2009 | Silver |
| SUBSEA 7 CHARTERING (UK) LIMITED | SC184511 | 01/09/2007 | 13/07/2009 | Gold |
| SUBSEA 7 HOLDINGS (UK) LIMITED | 02798347 | 01/09/2007 | 10/07/2009 | Dissolved |
| SUBSEA 7 M.S. LIMITED | 02074427 | 23/09/2004 | 10/07/2009 | Dissolved |
| SUBSEA 7 TREASURY (UK) LIMITED | 00974791 | 05/08/2004 | 13/07/2009 | Silver |
| SUBSEA 7 WEST AFRICA CONTRACTING LIMITED | 02798293 | 01/04/2005 | 13/07/2009 | Gold |
| THAMES INTERNATIONAL ENTERPRISE LIMITED | 05665049 | 20/01/2006 | 10/08/2009 | Gold |