| Company | Timeline | Status | |
Polyoil Limited Director • Technical Director | 29 Feb 2000←8 Years→6 Mar 2008 | Dissolved | |
| Devol Fabrications Limited Director • Sales Director | 19 Dec 1988←19 Years→2 Jun 2008 | Active | |
| Devol Bushing Limited Director • Sales Director | 19 Dec 1988←19 Years→2 Jun 2008 | Active | |
| Devol Engineering Limited Director • Director | 19 Dec 1988←8 Years→28 Feb 1997 | Active | |
