| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| A O C Azerbaijan Ltd | SC169039 | 07/11/1996 | Dissolved |
| Avondhu Ltd | SC318723 | 16/03/2007 | Dissolved |
| Peterhead Engineering Co Ltd | SC121397 | 13/06/1990 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| A O C Overseas Ltd | 00888610 | 18/10/1992 | 24/05/1993 | Dissolved |
| AOC INTERNATIONAL LIMITED | SC061239 | 30/10/1989 | 30/11/2004 | Amber |
| ASHLEY 2006 LIMITED | SC118707 | 11/10/2000 | 20/06/2003 | Silver |
| Aoc Technical Services Ltd | SC148738 | 01/05/1998 | 30/11/2004 | Dissolved |
| Aoc Turbine Services Ltd | SC158094 | 21/10/2003 | 30/11/2004 | Dissolved |
| Aoc/Wood Offshore Contractors Ltd | SC136875 | 24/04/1992 | 09/07/2007 | Dissolved |
| Aoci New Ltd | SC157558 | 25/11/2002 | 30/11/2004 | Dissolved |
| BLANDFORD OFFSHORE SERVICES LIMITED | 01172115 | 18/10/1992 | 24/05/1993 | Strike Off |
| BROWN & ROOT AOC LIMITED | SC155097 | 25/11/2002 | 30/11/2004 | Dissolved |
| BUCHAN FABRICATIONS LIMITED | SC053927 | 22/12/1989 | 30/11/2004 | Dissolved |
| HEADROOM CONSULTING LTD | 07336982 | 19/02/2014 | 31/08/2016 | Dissolved |
| HES GLOBAL SERVICES LIMITED | 08278103 | 01/11/2012 | 01/11/2013 | Dissolved |
| KELLOGG BROWN & ROOT (U.K.) LIMITED | 02021947 | 05/06/1998 | 30/11/2004 | Amber |
| KELLOGG BROWN & ROOT LIMITED | 00645125 | 04/11/2002 | 30/11/2004 | Gold |
| KELLOGG BROWN & ROOT OVERSEAS LIMITED | 04026687 | 29/11/2002 | 30/11/2004 | One Red Flag |
| KELLOGG BROWN & ROOT TRUSTEES LIMITED | SC106598 | 09/08/2002 | 25/10/2002 | Not Trading |
| Ogc International Ltd | SC090762 | 03/06/1994 | 30/11/2004 | Dissolved |
| PRODUCTION SERVICES NETWORK BANGLADESH LIMITED | 02214332 | 02/12/2002 | 30/11/2004 | Not Trading |
| SIGMA 3 (NORTH SEA) LIMITED | SC224630 | 18/04/2002 | 16/12/2004 | Dissolved |
| SORT 4 LIMITED | SC235261 | 01/07/2008 | 11/12/2009 | Dissolved |
| STORK QUALITY SERVICES (STS) LIMITED | SC327890 | 27/07/2007 | 01/02/2010 | Dissolved |
| STORK TECHNICAL SERVICES (HOLDINGS) LIMITED | SC272959 | 04/06/2007 | 01/02/2010 | Silver |
| STORK TECHNICAL SERVICES INTERNATIONAL LIMITED | SC296411 | 04/06/2007 | 01/02/2010 | One Red Flag |
| STORK TECHNICAL SERVICES UK LIMITED | SC161193 | 04/06/2007 | 01/02/2010 | Gold |
| WGD023 LIMITED | SC088772 | 30/06/1990 | 26/11/1996 | Dissolved |