| Company | Timeline | Status | |
| Thircon Limited Director • None | 25 Sep 2001←1 Year 8 Months→12 Jun 2003 | Active | |
| Hi-Span Limited Director • Production And Resourses Director | 1 Jan 2000←16 Years→19 Sep 2016 | Active | |
| H. Young Structures Limited Director • Operations Director | 11 Apr 1995←21 Years→22 Sep 2016 | Active | |
| Thircon (Southern) Limited Director • Operations Director | 21 Feb 1994←28 Years→22 Feb 2022 | Dissolved | |
