| Yue Wah Telecom Limited | | Live |
| Yae Telecom Limited | | Live |
| Yo Telecom Limited | | Live |
| Tak Tak Telecom Company Limited | | Live |
| KAM YEE TELECOM COMPANY LIMITED | | Live |
| JTD TELECOM LIMITED | | Live |
| TELECOM 1543 LIMITED | Private company limited by shares | Dissolved |
| DIGI 2000 TELECOM COMPANY LIMITED | Private company limited by shares | Dissolved |
| 2020 TELECOM COMPANY LIMITED | Private company limited by shares | Live |
| CAUSEWAY 2020 TELECOM COMPANY LIMITED | Private company limited by shares | Live |
| 3Bumen Telecom Technologies Limited | Private company limited by shares | Dissolved |
| 3TOGO TELECOM LIMITED | Private company limited by shares | Dissolved |
| Aakash Telecom Limited | Private company limited by shares | Live |
| SHENZHEN AAREE TELECOM CO., LIMITED | Private company limited by shares | Live |
| ABACUS TELECOM LIMITED | Private company limited by shares | Dissolved |
| Acson Telecom Of China Group Co., Limited | Private company limited by shares | Live |
| ACTOR TELECOM LIMITED | Private company limited by shares | Dissolved |
| ADVANCE TELECOM (HOLDINGS) LIMITED | Private company limited by shares | Dissolved |
| ADVANCE TELECOM SERVICE LIMITED | Private company limited by shares | Dissolved |
| ADVANTAGE TELECOM LIMITED | Private company limited by shares | Live |
| AEGIS TELECOM HK LIMITED | Private company limited by shares | Live |
| Aegis Telecom Limited | Private company limited by shares | Live |
| Aerostar Telecom Trading Limited | | Live |
| AHEAD TELECOM LIMITED | Private company limited by shares | Live |
| AIRSTAR TELECOM HOLDING LIMITED | Private company limited by shares | Live |
| ALBATROSS TELECOM LIMITED | Private company limited by shares | Live |
| Alda Telecom Limited | Private company limited by shares | Live |
| ALFA TELECOM COMPANY LIMITED | Private company limited by shares | Live |
| ALIMAMA TELECOM LIMITED | Private company limited by shares | Live |
| Allegro Telecom Limited | Private company limited by shares | Live |
| ALLEN TELECOM (HONG KONG) LIMITED | Private company limited by shares | Live Ceased dormancy on 30-Apr-2015 |
| ALLIANCE TELECOM LIMITED | Private company limited by shares | Live |
| TELECOM ALLIANCE LIMITED | Private company limited by shares | Live |
| Alliance Telecom Group Limited | Private company limited by shares | Live |
| Allianz Telecom Limited | Private company limited by shares | Live |
| ALLTRONICS TELECOM MFTG. LIMITED | Private company limited by shares | Dissolved |
| ALPHA TELECOM LIMITED | Private company limited by shares | Dissolved |
| Alpha Telecom and Technology Limited | Private company limited by shares | Live |
| Alpha Telecom Technology (HK) Co., Limited | Private company limited by shares | Live |
| ALPINE TELECOM COMPANY LIMITED | Private company limited by shares | Live |
| NORTHERN AMERICA TELECOM LIMITED | Private company limited by shares | Dissolved |
| South America Telecom Company Limited | Private company limited by shares | Live |
| AMERICAN PACIFIC TELECOM COMPANY LIMITED | Private company limited by shares | Dissolved |
| AMERICAN SERVICE COMPANY TELECOM LIMITED | Private company limited by shares | Dissolved |
| AMGOO TELECOM CO., LIMITED | Private company limited by shares | Live |
| AMSUN TELECOM LIMITED | Private company limited by shares | Live |
| ANBANG TELECOM LIMITED | Private company limited by shares | Live |
| ANBONG TELECOM LIMITED | Private company limited by shares | Live |
| Andy Telecom Limited | Private company limited by shares | Live |
| ANESHA TELECOM LIMITED | Private company limited by shares | Dissolved |
| ANIXTER TELECOM LIMITED | Private company limited by shares | Dissolved |
| Antariksh Telecom Limited | Private company limited by shares | Live |
| JIN XIN ANTEL TELECOM LIMITED | Private company limited by shares | Live |
| Antrase Telecom Co., Limited | Private company limited by shares | Live |
| ANYTALK TELECOM CO., LIMITED | Private company limited by shares | Live |
| ANYTIME TELECOM LIMITED | Private company limited by shares | Dissolved |
| ANYTONE TELECOM LIMITED | Private company limited by shares | Dissolved |
| Aotu Telecom Limited | Private company limited by shares | Live |
| Aoxue telecom Limited | Private company limited by shares | Live |
| APPI TELECOM HK LIMITED | Private company limited by shares | Live |
| ARARAT TELECOM LIMITED | Private company limited by shares | Live |
| Arman Telecom Limited | Private company limited by shares | Live |
| ARRAY TELECOM (CHINA) LIMITED | Private company limited by shares | Dissolved |
| ARTULAR TELECOM (GROUP) LIMITED | Private company limited by shares | Dissolved |
| ASAN Telecom Limited | Private company limited by shares | Live |
| Ascent Telecom Company Limited | Private company limited by shares | Live |
| TELECOM ASIA LIMITED | Private company limited by shares | Dissolved |
| ELK TELECOM (ASIA) LIMITED | Private company limited by shares | Dissolved |
| ATC (ASIA) TELECOM LIMITED | Private company limited by shares | Dissolved |
| PAN ASIA TELECOM LIMITED | Private company limited by shares | Dissolved |
| ASIA TELECOM LIMITED | Private company limited by shares | Live |
| NEW ERA TELECOM (ASIA) LIMITED | Private company limited by shares | Dissolved |
| ATL TELECOM ASIA LIMITED | Private company limited by shares | Dissolved |
| SKY TELECOM ASIA LIMITED | Private company limited by shares | Dissolved |
| PM2 Telecom Asia Limited | Private company limited by shares | Live |
| KAY Asia Telecom Limited | Private company limited by shares | Dissolved |
| TELE-COM ASIA LIMITED | Private company limited by shares | Live |
| JGM ASIA TELECOM LIMITED | Private company limited by shares | Live |
| CK TELECOM (ASIA) LIMITED | Private company limited by shares | Live |
| IP Telecom Asia Limited | | Live |
| ASIA DRAGON TELECOM LIMITED | Private company limited by shares | Dissolved |
| EUROPEAN TELECOM (ASIA) LIMITED | Private company limited by shares | Dissolved |
| FIRST TELECOM ASIA LIMITED | Private company limited by shares | Dissolved |
| FORT TELECOM ASIA LIMITED | Private company limited by shares | Dissolved |
| MACROVIEW TELECOM (ASIA) LIMITED | Private company limited by shares | Live |
| PULSE TELECOM (ASIA) LIMITED | Private company limited by shares | Live |
| Asian Telecom HK Limited | Private company limited by shares | Dissolved |
| AsiaPac Telecom Limited | Private company limited by shares | Live |
| ASIATECH TELECOM LIMITED | Private company limited by shares | Live |
| ASSENT TELECOM LIMITED | Private company limited by shares | Dissolved |
| ASSETMIND TELECOM LIMITED | Private company limited by shares | Live |
| ASSOCIATE TELECOM LIMITED | Private company limited by shares | Dissolved |
| ASTEC TELECOM LIMITED | Private company limited by shares | Dissolved |
| ATOZTEC TELECOM LIMITED | Private company limited by shares | Dissolved |
| FREETOGO TELECOM (AUSTRALIA) LIMITED | Private company limited by shares | Dissolved |
| AUTOMATION TELECOM LIMITED | Private company limited by shares | Dissolved |
| AVENUE 500 TELECOM INC LIMITED | Private company limited by shares | Live |
| Awin Telecom Limited | | Live |
| Axia Telecom Limited | Private company limited by shares | Live |
| AXIOM TELECOM LIMITED | Private company limited by shares | Dissolved |