| Company | Timeline | Status | |
| White & Street(Engineering)Limited Director • Engineer | 27 Jul 1992←14 Years→10 Aug 2006 | Dissolved | |
| White & Street International Limited Director • Engineer | 21 Jul 1992←14 Years→10 Aug 2006 | Dissolved | |
| White & Street International Limited Director • Unreported | 1 Jan 1970←36 Years→10 Aug 2006 | Dissolved | |
