| 3TOGO TELECOM PROMOTION LIMITED | Private company limited by shares | Dissolved |
| TELECOM PROPERTIES INVESTMENT LIMITED | Private company limited by shares | Live |
| Protech Telecom Co. Limited | Private company limited by shares | Dissolved |
| TMH TELECOM PUBLIC COMPANY LIMITED | | Live |
| PULING TELECOM LIMITED | Private company limited by shares | Dissolved |
| PULSE TELECOM LIMITED | Private company limited by shares | Dissolved |
| QiangXin Telecom Limited | | Live |
| QIHUI TELECOM HONG KONG LIMITED | Private company limited by shares | Live |
| Quad Telecom HK Limited | Private company limited by shares | Live |
| QUANQIU TELECOM LIMITED | Private company limited by shares | Live |
| QUATRO TELECOM COMPANY LIMITED | Private company limited by shares | Dissolved |
| QUEENTEX TELECOM COMPANY LIMITED | Private company limited by shares | Live |
| QUEST TELECOM LIMITED | Private company limited by shares | Live |
| QUICKCOM TELECOM LIMITED | Private company limited by shares | Live |
| CHINA RAIL TELECOM MANAGEMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| Rainbow Telecom Limited | Private company limited by shares | Live |
| Oriental Rainbow Telecom (HK) Limited | Private company limited by shares | Dissolved |
| Rainya Telecom Co., Limited | Private company limited by shares | Live |
| CHINA REACH TELECOM LIMITED | Private company limited by shares | Live |
| Reach Peak Telecom Limited | Private company limited by shares | Dissolved |
| FINE REACH TELECOM TECHNOLOGY LIMITED | Private company limited by shares | Live |
| REALITY TELECOM COMPANY LIMITED | Private company limited by shares | Live |
| Rego Tec. Telecom Limited | Private company limited by shares | Live |
| Renesa Telecom Pvt Limited | Private company limited by shares | Live |
| RENWIN TELECOM LIMITED | Private company limited by shares | Live |
| REPUBLIC TELECOM LIMITED | Private company limited by shares | Dissolved |
| TELECOM RESEARCH LIMITED | Private company limited by shares | Live |
| Telecom Retail Limited | Private company limited by shares | Live |
| Rewards Telecom Limited | Private company limited by shares | Live |
| Rheng Telecom Co., Limited | Private company limited by shares | Live |
| RIAZ TELECOM HK LIMITED | Private company limited by shares | Dissolved |
| RICHPOWER TELECOM LIMITED | Private company limited by shares | Dissolved |
| RIGHTONE TELECOM LIMITED | Private company limited by shares | Dissolved |
| Ringme Telecom Limited | Private company limited by shares | Live |
| FREQUENT RISE TELECOM LIMITED | Private company limited by shares | Live |
| Riseing Sun Telecom Trade Limited | | Live |
| Rising Telecom Limited | | Live |
| ROISA TELECOM LIMITED | Private company limited by shares | Live |
| ROOTS TELECOM LIMITED | Private company limited by shares | Dissolved |
| ROSE TELECOM HK LIMITED | Private company limited by shares | Dissolved |
| ROTEX TELECOM SERVICE LIMITED | Private company limited by shares | Dissolved |
| ROYAL OVERFLY TELECOM COMPANY LIMITED | Private company limited by shares | Dissolved |
| RUIKAI TELECOM LIMITED | Private company limited by shares | Live |
| RUIXING TELECOM LIMITED | Private company limited by shares | Dissolved |
| Russwill Telecom Limited | Private company limited by shares | Live |
| SHENZHEN SACON TELECOM CO., LIMITED | Private company limited by shares | Live |
| SAIGON INTERNATIONAL TELECOM LIMITED | Private company limited by shares | Dissolved |
| SET SAIL TELECOM LIMITED | Private company limited by shares | Live |
| Samford Telecom Services Limited | Private company limited by shares | Live |
| SANDU TELECOM CO., LIMITED | Private company limited by shares | Live |
| NAM SANG TELECOM CO. LIMITED | Private company limited by shares | Live |
| HK SANHE TELECOM LIMITED | | Live |
| SCORPION TELECOM LIMITED | Private company limited by shares | Live |
| SEACOM FANG TAI TELECOM LIMITED | Private company limited by shares | Dissolved |
| SEATEK TELECOM CO., LIMITED | Private company limited by shares | Dissolved |
| CCT TELECOM SECURITIES LIMITED | Private company limited by shares | Live |
| TELECOM DIGITAL SECURITIES LIMITED | Private company limited by shares | Live |
| ASIA SECURITY TELECOM CO., LIMITED | Private company limited by shares | Live |
| SEGO TELECOM LIMITED | Private company limited by shares | Live |
| TELECOM SERVICE LIMITED | Private company limited by shares | Live |
| TELECOM SERVICE ONE LIMITED | Private company limited by shares | Live |
| FUTURA TELECOM SERVICE LIMITED | Private company limited by shares | Dissolved |
| SMART TELECOM SERVICE LIMITED | Private company limited by shares | Live |
| SMART COOL TELECOM SERVICE COMPANY LIMITED | Private company limited by shares | Dissolved |
| VALIANT TELECOM SERVICE LIMITED | Private company limited by shares | Dissolved |
| SKY TELECOM SERVICES LIMITED | Private company limited by shares | Dissolved |
| APT TELECOM SERVICES LIMITED | Private company limited by shares | Live |
| DCN TELECOM SERVICES LIMITED | Private company limited by shares | Dissolved |
| Telecom Services Pvt Limited | Private company limited by shares | Live |
| V8 Telecom Services Limited | Private company limited by shares | Live |
| AMERICAN TELECOM SERVICES, (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| AMERICAN TELECOM SERVICES, (INTERNATIONAL) LIMITED | Private company limited by shares | Dissolved |
| Telecom Services Asia Limited | Private company limited by shares | Live |
| ASIA-LINK TELECOM SERVICES LIMITED | Private company limited by shares | Dissolved |
| CHAIN TELECOM & SERVICES LIMITED | Private company limited by shares | Dissolved |
| CHINA TELECOM NETWORK SERVICES LIMITED | Private company limited by shares | Dissolved |
| COMPUTER AND TELECOM SERVICES LIMITED | Private company limited by shares | Live |
| BWF Telecom Consultancy Services Limited | Private company limited by shares | Live |
| TELECOM - NETWORK CONSULTING & SERVICES LIMITED | Private company limited by shares | Live |
| TELECOM DIGITAL SERVICES LIMITED | Private company limited by shares | Live |
| EPRO TELECOM SERVICES LIMITED | Private company limited by shares | Live |
| Excel Telecom Services Limited | Private company limited by shares | Live |
| HARMONY TELECOM SERVICES LIMITED | Private company limited by shares | Dissolved |
| HIMATIC TELECOM SERVICES LIMITED | Private company limited by shares | Dissolved |
| HOMEKING TELECOM SERVICES LIMITED | Private company limited by shares | Dissolved |
| HONG KONG TELECOM NETWORK SERVICES LIMITED | Private company limited by shares | Dissolved |
| Macroview Telecom Services Limited | Private company limited by shares | Live |
| MAXCOM TELECOM SERVICES LIMITED | Private company limited by shares | Live |
| GOLD MEDAL TELECOM SERVICES LIMITED | Private company limited by shares | Dissolved |
| PACIFIC TELECOM SERVICES COMPANY LIMITED | Private company limited by shares | Dissolved |
| WISDOM TELECOM CONSULTANCY & SERVICES PVT. LIMITED | Private company limited by shares | Live |
| SPEEDA TELECOM SERVICES LIMITED | Private company limited by shares | Dissolved |
| STAR TELECOM SERVICES LIMITED | Private company limited by shares | Live Commenced dormancy on 22-Nov-2002 |
| SUNNY TELECOM SERVICES LIMITED | Private company limited by shares | Live |
| Pan Telecom ATM Systems and Services Limited | Private company limited by shares | Live |
| UNIQUE TELECOM SERVICES LIMITED | Private company limited by shares | Dissolved |
| SETEC TELECOM TECHNOLOGY (HK) LIMITED | Private company limited by shares | Dissolved |
| SHAH Telecom Limited | Private company limited by shares | Live |
| Shark Telecom Limited | Private company limited by shares | Live |
| SHARON TELECOM LIMITED | Private company limited by shares | Live |