| Company Name | Type | Status |
|---|---|---|
| T & T TELE-SYSTEM LIMITED | Private company limited by shares | Live |
| TELESYSTEM LIMITED | Private company limited by shares | Live |
| CONCEPT TELESYSTEMS LIMITED | Private company limited by shares | Dissolved |
| ZI BELL TELESYSTEMS (H.K.) CO. LIMITED | Private company limited by shares | Dissolved |
| Telesystems Private Limited | Private company limited by shares | Dissolved |