| Company | Timeline | Status | |
| WJ Groundwater International Limited Director • Accountant | 21 Oct 2004←1 Year 2 Months→9 Jan 2006 | Dissolved | |
| WJ Management Limited Director • Accountant | 14 Nov 2002←3 Years→9 Jan 2006 | Active | |
| WJ Groundwater Limited Director • Accountant | 14 Nov 2002←3 Years→9 Jan 2006 | Active | |
