| Company | Timeline | Status | |
| Marren Business Systems Limited Secretary • Unreported | 15 Sep 1997←28 Years→Current | Active | |
| Marren Microwave Limited Secretary • Unreported | 8 Aug 1991←5 Years→28 Nov 1996 | Active | |
| Marren Microwave Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
