| TELEKEN LIMITED | Private company limited by shares | Dissolved |
| TELEKI ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| TELEKING ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| APT TELEKOM LIMITED | Private company limited by shares | Dissolved |
| TELEKOM CONSULTING LIMITED | Private company limited by shares | Dissolved |
| EXCEL TELEKOM LIMITED | Private company limited by shares | Live |
| GO-GREEN TELEKOM LIMITED | Private company limited by shares | Live |
| Energo Telekom Hong Kong Limited | Private company limited by shares | Live |
| TURK TELEKOM INTERNATIONAL HK LIMITED | Private company limited by shares | Live |
| TELEKOM MALAYSIA (HONG KONG) LIMITED | Private company limited by shares | Live |
| World Hub Telekom Limited | Private company limited by shares | Live |
| TELEKOME LIMITED | Private company limited by shares | Live |
| TELEKON DEVELOPMENTS LIMITED | Private company limited by shares | Dissolved |