| Company | Timeline | Status | |
| Keith Nelson & Company Limited Secretary • Company Director | 22 Nov 1995←6 Years→19 Aug 2002 | Dissolved | |
| Tyler Holdings Limited Secretary • Unreported | 28 May 1992←10 Years→19 Aug 2002 | Active | |
| Tyler Projects Limited Secretary • Unreported | 28 May 1992←10 Years→19 Aug 2002 | Active | |
| Tylers Concrete Buildings Limited Secretary • Unreported | 28 May 1992←10 Years→19 Aug 2002 | Dissolved | |
| William Tyler & Co.,Limited Secretary • Unreported | 28 May 1992←2 Years 3 Months→15 Sep 1994 | Active | |
