| Company | Timeline | Status | |
| Synchro Clutch Company Limited Director • Sales Engineer | 20 Sep 1992←13 Years→21 Apr 2006 | Active | |
| Synchro-Drives Limited Director • Sales Engineer | 17 Jul 1992←13 Years→21 Apr 2006 | Dissolved | |
| S.S.S.Clutch Company Limited Director • Sales Engineer | 17 Jul 1991←14 Years→21 Apr 2006 | Active | |
| S.S.S.Gears Limited Director • Sales Engineer | 17 Jul 1991←14 Years→21 Apr 2006 | Active | |
| S.S.S. Patents Limited Director • Sales Engineer | 17 Jul 1991←14 Years→21 Apr 2006 | Dissolved | |
