| Company | Timeline | Status | |
| Lock Plant Limited Director • Company Director  | 14 Dec 1991←4 Years→31 Jan 1996  | Dissolved  | |
| Lock Plant Limited Secretary • Unreported  | 14 Dec 1991←4 Years→31 Jan 1996  | Dissolved  | |
| Lock C.E. Limited Director • Manager  | 26 Apr 1991←34 Years→Current  | Liquidation  | |
