| Company | Timeline | Status | |
| Underriver Enterprises Limited Director • Engineer | 31 Dec 1991←7 Years→5 Feb 1999 | Active | |
| Rumshott Estate Limited Director • Engineer | 31 Dec 1991←7 Years→5 Feb 1999 | Active | |
| Lithgow Investment Company Limited Director • Engineer | 31 Dec 1990←8 Years→5 Feb 1999 | Active | |
