| Company | Timeline | Status | |
| A.S.B. (Engineers) Limited Secretary • Company Secretary | 4 Nov 1993←2 Years 8 Months→18 Jul 1996 | Active | |
| A.S.B. (Engineers) Limited Director • Engineer | 31 Dec 1989←36 Years→Current | Active | |
| A.S.B. (Engineers) Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
