| Company Name | Type | Status |
|---|---|---|
| TELK COMPANY LIMITED | Private company limited by shares | Live |
| TELKEN ENTERPRISE COMPANY LIMITED | Private company limited by shares | Live |
| TELKIE LIMITED | Private company limited by shares | Live |
| TELKIN COMPANY LIMITED | Private company limited by shares | Dissolved |
| TELKIN LIMITED | Private company limited by shares | Live |
| United Telko Group (HK) Limited | Private company limited by shares | Live |
| STARCKJOHANN - TELKO (ASIA) LIMITED | Private company limited by shares | Dissolved |
| GAB TELKOM LIMITED | Private company limited by shares | Live |