| Company | Timeline | Status | |
| Dudley Shaw Holdings Limited Director • Unreported | 15 Dec 2015←10 Years→Current | Active | |
| Castle Carbide Limited Director • Credit Controller | 23 Apr 2006←19 Years→Current | Active | |
| Castle Carbide Limited Director • Company Secretary | 30 Sep 1994←4 Years→15 Jan 1999 | Active | |
| Castle Carbide Limited Secretary • Unreported | 13 Jun 1991←7 Years→15 Jan 1999 | Active | |
