| Company | Timeline | Status | |
| Ashe Controls (Northern) Limited Director • Engineer | 31 Dec 1991←→1 Nov 1990 | Active | |
| Ashe Controls Limited Director • Engineer | 31 Dec 1990←7 Years→10 Jun 1998 | Active | |
| Ashe Controls (Northern) Limited Director • Engineer | 1 Nov 1990←10 Years→1 Jan 2001 | Active | |
