| Company | Timeline | Status | |
| J. Medler Haulage Co. Limited Secretary • Company Director | 13 Jan 1995←14 Years→29 Oct 2009 | Active | |
| J. Medler Limited Director • Director | 27 Oct 1991←18 Years→29 Oct 2009 | Active | |
| J. Medler Limited Secretary • Unreported | 27 Oct 1991←15 Years→1 Dec 2006 | Active | |
