| Company | Timeline | Status | |
| Educational Technology Equipment Manufacturing Limited Secretary • Unreported  | 14 Mar 2005←20 Years→Current  | Active  | |
| Educational Technology Equipment Limited Secretary • Unreported  | 6 Oct 2004←21 Years→Current  | Active  | |
| Educational Technology Services Ltd Secretary • Unreported  | 1 Sep 2004←21 Years→Current  | Active  | |
| Te2004 Limited Secretary • Unreported  | 30 Apr 2004←18 Years→1 Dec 2022  | Dissolved  | |
