| Company | Timeline | Status | |
| Weir Drilling Services Limited Director • Drilling Eng | 16 Aug 2001←3 Years→15 Oct 2004 | Dissolved | |
| TWG Drilling Limited Director • Engineer | 31 Dec 1988←15 Years→15 Oct 2004 | Dissolved | |
| Downhole Oiltools Limited Director • Managing Director | 8 Apr 1988←16 Years→15 Oct 2004 | Dissolved | |
