| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BANFORD ASSOCIATES LIMITED | SC238239 | 01/12/2006 | Dissolved |
| COOLTIME ENGINEERING SERVICES LIMITED | SC130521 | 08/03/2010 | Dissolved |
| FORFAB LIMITED | SC087933 | 08/03/2010 | Dissolved |
| GLOBAL DIMENSIONAL CONTROLS LIMITED | SC308967 | 08/03/2010 | Dissolved |
| HAMILTON WOODBURN ASSOCIATES LTD | SC422643 | 23/07/2012 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CALEDONIAN PETROLEUM SERVICES LIMITED | SC117992 | 08/03/2010 | 22/12/2022 | Amber |
| FALLSKY LIMITED | SC172766 | 06/02/2002 | 02/12/2004 | Dissolved |
| GEG (MARINE & LOGISTICS) LIMITED | SC329184 | 27/07/2010 | 22/12/2022 | Silver |
| GLOBAL ENERGY CORPORATION LIMITED | SC346781 | 02/09/2008 | 22/12/2022 | Not Trading |
| GLOBAL PROJECT (SERVICES) LIMITED | SC172021 | 25/07/2006 | 20/03/2009 | One Red Flag |
| ITM PROCUREMENT CONTRACTORS LIMITED | SC176489 | 03/07/1997 | 24/07/2001 | Dissolved |
| LABTECH SERVICES LIMITED | SC083070 | 08/03/2010 | 26/10/2011 | One Red Flag |
| MACGREGOR ENERGY SERVICES LIMITED | SC093962 | 05/01/1995 | 25/03/1997 | Dissolved |
| MODUTEC LIMITED | SC229316 | 11/06/2009 | 01/02/2019 | Silver |
| MURLINGDEN ASSOCIATES LIMITED | SC277553 | 13/01/2005 | 16/08/2012 | Dissolved |
| O.I.L. ENGINEERING LIMITED | SC072717 | 08/03/2010 | 26/03/2021 | Dissolved |
| OIS OILFIELD LIMITED | SC051995 | 28/09/1989 | 31/03/1990 | Dissolved |
| Oilfield Inspection Services Ltd | SC070270 | 20/06/1989 | 31/03/1990 | Dissolved |
| in-Spec Manpower & Inspection Services Ltd | SC148023 | 29/04/1994 | 02/12/2004 | Dissolved |