| Company | Timeline | Status | |
| Stillpoint Limited Director • Engineer | 18 Feb 1991←34 Years→Current | Active | |
| Bowlers Engineering Supplies Limited Director • Engineer | 31 Jan 1991←14 Years→2 Oct 2005 | Dissolved | |
| Avery Knight & Bowlers Engineering Limited Director • Engineer | 31 Jan 1991←14 Years→2 Oct 2005 | Liquidation | |
