| Company | Timeline | Status | |
| GDK Air Conditioning Limited Secretary • Unreported | 7 Nov 2002←23 Years→Current | Active | |
| GDK (Contracts) Limited Secretary • Unreported | 29 Oct 2002←23 Years→Current | Active | |
| GDK Limited Secretary • Unreported | 29 Oct 2002←23 Years→Current | Active | |
