| Company | Timeline | Status | |
| Calenergy Resources (Australia) Limited Secretary • Unreported | 2 Apr 2008←2 Years 2 Months→3 Jun 2010 | Active | |
| Calenergy Gas Limited Secretary • Unreported | 28 Jan 2003←7 Years→3 Jun 2010 | Active | |
| Beach Energy (Otway) Limited Secretary • Unreported | 28 Jan 2003←7 Years→3 Jun 2010 | Active | |
| Nsip (Ets) Limited Secretary • Unreported | 28 Jan 2003←5 Months→23 Jul 2003 | Dissolved | |
