| Company | Timeline | Status | |
| R. & B. Rock Drillers Limited Secretary • Unreported | 3 Jan 1992←9 Years→16 Jan 2001 | Active | |
| Bondgate Securities Limited Secretary • Unreported | 5 Nov 1991←9 Years→17 Jan 2001 | Active | |
| Bondgate Securities Limited Director • Accountant | 5 Nov 1991←7 Years→20 Apr 1999 | Active | |
| Macgay Consultants Limited Secretary • Unreported | 20 Sep 1991←9 Years→8 Nov 2000 | Active | |
