| Company | Timeline | Status | |
| Dunphy Technology Limited Director • Company Director | 21 Jul 2010←15 Years→Current | Active | |
| Dunphy Combustion Limited Director • Company Director | 21 Jul 2010←15 Years→Current | Active | |
| Dunphy Combustion Limited Director • Company Director | 25 Feb 1992←10 Years→31 Jul 2002 | Active | |
