| Company | Timeline | Status | |
| Barton Petroleum (Holdings) Limited Secretary • Unreported | 6 Apr 2004←21 Years→Current | Active | |
| F.W. Abbott Limited Secretary • Unreported | 6 Apr 2004←7 Years→31 Mar 2012 | Active | |
| Barton Petroleum Limited Secretary • Unreported | 22 Sep 1997←28 Years→Current | Active | |
