| Company | Timeline | Status | |
| Glen Tyre Services Limited Secretary • Unreported | 5 Dec 1997←28 Years→Current | Active | |
| Glen Construction Company Limited Secretary • Unreported | 16 Oct 1991←34 Years→Current | Active | |
| Glen Investments Limited Director • Builder And Engineer | 8 Sep 1991←34 Years→Current | Active | |
| Glen Construction Company Limited Director • Secretary | 28 Nov 1970←55 Years→Current | Active | |
