| TELESCOPE LIMITED | Private company limited by shares | Dissolved |
| TELESCOPES INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Telescopic Mast Trade Co., Limited | Private company limited by shares | Live |
| TELESEC LIMITED | Private company limited by shares | Live |
| TELESECTOR LIMITED | Private company limited by shares | Dissolved |
| TELESECURA LIMITED | Private company limited by shares | Live |
| TELESENSE LIMITED | Private company limited by shares | Dissolved |
| WELLNET TELESENSE LIMITED | Private company limited by shares | Live |
| Telesent Technology (HK) Import & Export Co., Limited | Private company limited by shares | Live |
| Teleservice HK CO., LIMITED | Private company limited by shares | Live |
| Strategic Teleservice Company Limited | Private company limited by shares | Dissolved |
| TP TELESERVICES LIMITED | Private company limited by shares | Live |
| IP TELESERVICES LIMITED | Private company limited by shares | Dissolved |
| HK TELESERVICES COMPANY LIMITED | Private company limited by shares | Dissolved |
| Dragon Teleservices Company Limited | Private company limited by shares | Dissolved |
| GRANDTEL 800 TELESERVICES LIMITED | Private company limited by shares | Dissolved |
| Excel TeleServices (Hong Kong) Company Limited | Private company limited by shares | Live |
| HUTCHISON TELESERVICES (HK) LIMITED | Private company limited by shares | Dissolved |
| INTOUCH TELESERVICES LIMITED | Private company limited by shares | Live |
| Cloud Teleservis Limited | Private company limited by shares | Live |
| TELESHARE LIMITED | Private company limited by shares | Dissolved |
| TELESHARE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| TELESHEEN COMPANY LIMITED | Private company limited by shares | Dissolved |
| TELESHOP LIMITED | Private company limited by shares | Dissolved |
| TELE-SHOPPERS' ASSOCIATION LIMITED | Private company limited by shares | Dissolved |
| GLOBAL TELESHOPPING SUPPLIES LIMITED | Private company limited by shares | Dissolved |
| Telesin Limited | Private company limited by shares | Live |
| TELESIS FINANCE LIMITED | Private company limited by shares | Dissolved |
| TELESIS INVESTMENT LIMITED | Private company limited by shares | Live |
| TELESIS RESOURCES LIMITED | Private company limited by shares | Dissolved |
| TELESITE ENGINEERING LIMITED | Private company limited by shares | Live |
| TELESKY LIMITED | Private company limited by shares | Dissolved |
| TELESKY TECHNOLOGY CO., LIMITED | | Live |
| TELESKY INTERNATIONAL LIMITED | Private company limited by shares | Live |
| TELESKY TECHNOLOGIES CO., LIMITED | Private company limited by shares | Dissolved |
| ADVANCED TELESOFT LIMITED | Private company limited by shares | Dissolved |
| CITIC TELESOFT 1616 LIMITED | Private company limited by shares | Live |
| TELESOFT SYSTEM LIMITED | Private company limited by shares | Dissolved |
| TELESOL ENERGY COMPANY LIMITED | | Live |
| TELESOLUTIONS LIMITED | Private company limited by shares | Dissolved |
| TELESON COMPANY LIMITED | Private company limited by shares | Dissolved |
| TELESONE COMPANY LIMITED | Private company limited by shares | Dissolved |
| TELESONIC ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| TELE-SONICS LIMITED | Private company limited by shares | Dissolved |
| TELESOURCES LIMITED | Private company limited by shares | Dissolved |
| TELESOURCING COMPANY LIMITED | Private company limited by shares | Live |
| TELESPACE LIMITED | Private company limited by shares | Dissolved |
| TELE-SPEED ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| TELESPHERE LIMITED | Private company limited by shares | Dissolved |
| Telesport Limited | Private company limited by shares | Live |
| TELESPOT LIMITED | Private company limited by shares | Live |
| Telespro APAC Limited | | Live |
| TELESTAR COMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| Telestar Communications Limited | Private company limited by shares | Live |
| TELE-STAR DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| TELESTAR ELECTRONICS LIMITED | Private company limited by shares | Live |
| Telestar Engineering Company Limited | Private company limited by shares | Live |
| TELESTAR ELECTRONIC (HK) LIMITED | Private company limited by shares | Live |
| TELESTAR TECHNOLOGIES (HK) CO., LIMITED | Private company limited by shares | Live |
| TELESTAR HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| HONGKONG TELESTAR SCIENCE LIMITED | Private company limited by shares | Dissolved |
| TELESTAR INVESTMENT HOLDING LIMITED | | Live |
| TELESTAR TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| TELESTAR TELECOMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| TELESTAT LIMITED | Private company limited by shares | Dissolved |
| TELESTATION LIMITED | Private company limited by shares | Dissolved |
| Telestation HK Limited | Private company limited by shares | Live |
| TELESTEL ELC CO., LIMITED | Private company limited by shares | Live |
| TELESTORE LIMITED | Private company limited by shares | Dissolved |
| TELESTREAM CO. LIMITED | Private company limited by shares | Dissolved |
| TELE-SUCCESS ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| TELESUCCESS TRADING LIMITED | Private company limited by shares | Live |
| ALLIED TELESYN SOUTH CHINA COMPANY LIMITED | Private company limited by shares | Dissolved |
| ALLIED TELESYN ASIA PACIFIC LIMITED | Private company limited by shares | Live |
| 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 |