| Company | Timeline | Status | |
| Dunston (Ship Repairers) Limited Director • Shipbuilder | 14 Dec 1993←2 Years 10 Months→31 Oct 1996 | Liquidation | |
| Richard Dunston (Hessle) Limited Director • Shipbuilder | 14 Dec 1991←34 Years→Current | Liquidation | |
| 00159871 Limited Director • Shipbuilder | 31 Dec 1990←34 Years→Current | Liquidation | |
