| Company | Timeline | Status | |
Oakwood Joinery Services Limited Director • Company Director | 5 Feb 1996←20 Years→20 Sep 2016 | Dissolved | |
| Colets Piling Limited Director • Piling Engineer | 22 May 1994←31 Years→Current | Active | |
| Rogerson Holdings Limited Director • Company Director | 11 May 1994←31 Years→Current | Active | |
| Central Piling Limited Director • Piling Engineer | 31 Dec 1990←3 Years→16 Jun 1994 | Active | |
