| Company | Timeline | Status | |
| Merchants Transport Limited Director • Director | 19 Dec 2007←7 Years→9 Jul 2015 | Active | |
| Stressline Engineering Limited Director • Director | 29 Jun 2005←10 Years→9 Jul 2015 | Active | |
| Stressline Holdings Limited Director • Production Director | 30 Dec 1997←17 Years→9 Jul 2015 | Active | |
| Stressline Limited Secretary • Unreported | 21 Mar 1995←20 Years→9 Jul 2015 | Active | |
| Stressline (Patents) Limited Director • Production Director | 16 Nov 1991←23 Years→9 Jul 2015 | Active | |
| Stressline Limited Director • Production Director | 16 Nov 1991←23 Years→9 Jul 2015 | Active | |
| John W.Hartley,Limited Director • Production Director | 16 Nov 1991←23 Years→9 Jul 2015 | Active | |
