| Company | Timeline | Status | |
| Mary B. Limited Secretary • It Consultant | 28 Jun 1998←1 Day→28 Jun 1998 | Active | |
| Mary B. Limited Secretary • It Consultant | 9 Jun 1998←6 Years→1 Jan 2005 | Active | |
| Mary B. Limited Director • Engineer | 30 Apr 1993←11 Years→1 Jan 2005 | Active | |
