| Company | Timeline | Status | |
| Mass Telecom Limited Secretary • Unreported | 22 Feb 2005←20 Years→Current | Active | |
| Mass Electrical Limited Secretary • Unreported | 22 Feb 2005←20 Years→Current | Active | |
| Mass Group Limited Secretary • Unreported | 3 Nov 1999←17 Years→14 Aug 2017 | Active | |
