| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Ambiox International Ltd | SC160786 | 03/09/1997 | Dissolved |
| C & M GROUP HOLDINGS LIMITED | SC308575 | 21/03/2007 | Dissolved |
| C & M GROUP LIMITED | SC097157 | 21/03/2007 | Dissolved |
| C&M - ENGINEERING SERVICES (UK) LIMITED | SC292309 | 25/01/2008 | Dissolved |
| C&M - MARINE SERVICES LIMITED | SC292310 | 25/01/2008 | Dissolved |
| Ensign International Group Ltd | SC176529 | 21/08/1997 | Dissolved |
| First Impressions Environment Ltd | SC087492 | 09/05/1997 | Dissolved |
| Global Completion Services Ltd | 03682789 | 02/02/2001 | Dissolved |
| Hitech Downhole Services Ltd | SC097269 | 31/05/1989 | Dissolved |
| Hitech Downhole Services Ltd | SC097269 | 31/05/1989 | Dissolved |
| Packtight Removals Ltd | SC225602 | 06/09/2002 | Dissolved |
| USER2 Franchising Ltd | 02910839 | 09/02/1998 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 50E DEVELOPMENTS LIMITED | SC086387 | 31/12/1988 | 14/09/1989 | Insolvent |
| 50E SERVICES LIMITED | SC113678 | 03/10/1988 | 16/04/1990 | Insolvent |
| Amalgamated Scottish Oil Ltd | SC158382 | 01/07/1999 | 28/01/2000 | Dissolved |
| BAKER ENERGY LIMITED | SC207740 | 18/03/2002 | 03/11/2005 | Dissolved |
| CAE REALISATIONS LIMITED | 02527399 | 01/03/1999 | 10/05/2000 | Dissolved |
| CALEDUS TRUSTEES LIMITED | SC295491 | 10/03/2006 | 31/12/2009 | Dissolved |
| ECODRILL VENTURES | SC096792 | 04/08/1989 | 10/06/1997 | Dissolved |
| EXPRO INTERNATIONAL GROUP LIMITED | 02688814 | 18/03/1994 | 10/06/1997 | Dissolved |
| EXPRO NORTH SEA LIMITED | 01108011 | 19/09/1994 | 10/06/1997 | Bronze |
| Ecodrill Ltd | SC100930 | 31/12/1993 | 10/06/1997 | Dissolved |
| Ensign Geosciences (U S) Ltd | SC219578 | 08/06/2001 | 04/04/2002 | Dissolved |
| Ensign International Group Trustee Ltd | SC184503 | 28/04/1998 | 04/04/2002 | Dissolved |
| Exal Reservoir Services Ltd | SC088595 | 04/08/1989 | 10/06/1997 | Dissolved |
| First Impressions Environment Ltd | SC087492 | 10/11/1989 | 15/01/1992 | Dissolved |
| GEOTRACE TECHNOLOGIES LIMITED | SC219017 | 07/06/2001 | 04/04/2002 | Insolvent |
| PSL ENERGY SERVICES LIMITED | SC243706 | 05/06/2003 | 31/07/2007 | Silver |
| Peco (Machine Shop & Inspection Services) Ltd | SC069900 | 08/09/1989 | 25/04/2000 | Dissolved |
| RUBICON OILFIELD INTERNATIONAL UK LTD. | SC241828 | 18/11/2005 | 31/12/2009 | One Red Flag |
| SEATRONICS LIMITED | SC124658 | 30/04/1990 | 20/02/1995 | Gold |
| SPECIALISED PETROLEUM SERVICES GROUP UNLIMITED | SC204919 | 07/04/2000 | 30/04/2005 | Amber |
| SPECIALISED PETROLEUM SERVICES INTERNATIONAL (BRANCH) LIMITED | 02661838 | 23/05/2000 | 30/04/2005 | Dissolved |
| SPECIALISED PETROLEUM SERVICES INTERNATIONAL (HOLDINGS) LIMITED | SC195693 | 08/07/1999 | 30/04/2005 | Dissolved |
| SPECIALISED PETROLEUM SERVICES INTERNATIONAL LIMITED | SC071516 | 08/07/1999 | 30/04/2005 | Dissolved |
| VIBRATION TECHNOLOGY LIMITED | SC163593 | 20/05/1998 | 27/09/2006 | Dissolved |
| Yc Enterprises Ltd | SC185182 | 01/01/1999 | 03/11/2005 | Dissolved |