| Company | Timeline | Status | |
| Rayforce Construction Limited Secretary • Unreported | 19 May 2004←1 Month→15 Jul 2004 | Active | |
| Mason Blake Ltd Secretary • Unreported | 19 Dec 1996←1 Year 3 Months→25 Mar 1998 | Active | |
| Durable Construction Ltd Secretary • Unreported | 5 May 1994←13 Days→18 May 1994 | Dissolved | |
