| Company | Timeline | Status | |
| Magsurvey Limited Secretary • Unreported | 12 Jul 2006←2 Years 2 Months→12 Sep 2008 | Dissolved | |
| Aceca Limited Secretary • Unreported | 9 Feb 2006←2 Years 7 Months→12 Sep 2008 | Dissolved | |
| Aceca Limited Director • Chartered Accountant | 5 Oct 2000←5 Years→15 Feb 2006 | Dissolved | |
| Coreton Limited Director • Ch Accountant | 29 Jun 2000←2 Years 5 Months→18 Dec 2002 | Active | |
| Core Laboratories (U.K.) Limited Secretary • Unreported | 5 Nov 1997←4 Years→10 Oct 2002 | Active | |
| Labton Limited Director • Accountant | 6 Dec 1994←2 Years 10 Months→22 Oct 1997 | Active | |
| Coreton Limited Secretary • Company Secretary | 30 Nov 1993←8 Years→10 Oct 2002 | Active | |
| Labton Limited Secretary • Unreported | 15 Sep 1993←9 Years→10 Oct 2002 | Active | |
