| Company | Timeline | Status | |
| Association Of Manufacturers Of Power Generating Systems (AMPS) Secretary • Administrator | 1 Jul 2005←8 Years→31 Jan 2014 | Active | |
| Esco Refresh Limited Secretary • Unreported | 17 Dec 1992←1 Year→17 Dec 1993 | Active | |
| Elba Ltd Secretary • Company Secretary | 12 Mar 1992←4 Years→2 Sep 1996 | Dissolved | |
