| PT TELECOM TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HK TELECOM TECHNOLOGY LIMITED | Private company limited by shares | Live |
| BO TAI TELECOM TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| NEW SKY TELECOM TECHNOLOGY LIMITED | Private company limited by shares | Live |
| JSL Telecom Technology Co. Limited | Private company limited by shares | Live |
| Technology Telecom Limited | Private company limited by shares | Live |
| Sky Telecom Technology Limited | Private company limited by shares | Live |
| Able Telecom Technology Limited | Private company limited by shares | Dissolved |
| ASIA TELECOM TECHNOLOGY LIMITED | Private company limited by shares | Live |
| TECHNOLOGY TELECOM (ASIA) LIMITED | Private company limited by shares | Live |
| ASIAN TELECOM & TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Baike Telecom Technology Limited | Private company limited by shares | Live |
| BROADNET TELECOM TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| CEDAR TELECOM TECHNOLOGY (HK) LIMITED | Private company limited by shares | Dissolved |
| Central Telecom Technology Group Limited | Private company limited by shares | Dissolved |
| CHINA TELECOM TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HK DEZHEN TELECOM. TECHNOLOGY LIMITED | Private company limited by shares | Live |
| DIGITAL TELECOM TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| DLEE TELECOM TECHNOLOGY LIMITED | Private company limited by shares | Live |
| FASTWIN TECHNOLOGY TELECOM LIMITED | Private company limited by shares | Dissolved |
| YING FUNG LUNG TELECOM TECHNOLOGY LIMITED | Private company limited by shares | Live |
| GRAND TELECOM TECHNOLOGY LIMITED | Private company limited by shares | Live |
| CHINA NEW TELECOM TECHNOLOGY (HONG KONG) LIMITED | Private company limited by shares | Live |
| IAD10000 TELECOM & TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| JIMMY ELECTRONIC TELECOM TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| MICROSOFE TELECOM TECHNOLOGY LIMITED | Private company limited by shares | Live |
| MINGYI TELECOM TECHNOLOGY LIMITED | Private company limited by shares | Live |
| MOBILITY TELECOM TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Pinpin Technology & Telecom Limited | | Live |
| TELECOM PLUS TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| TELECOM PLUS TECHNOLOGY HOLDINGS LIMITED | Private company limited by shares | Live |
| Polestar Telecom Technology Limited | | Live |
| Rayfond Telecom Technology Limited | Private company limited by shares | Live |
| Reach Telecom Technology Limited | Private company limited by shares | Live |
| TELECOM RESOURCES TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SKYNET TELECOM TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SOAR TELECOM TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| STAR TELECOM TECHNOLOGY LIMITED | | Live |
| SUFENG TELECOM TECHNOLOGY (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| SUNRISE TELECOM TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| TALENT TELECOM TECHNOLOGY LIMITED | Private company limited by shares | Live |
| THREE NUMBERS TECHNOLOGY TELECOM LIMITED | Private company limited by shares | Live |
| VTECH TELECOM TECHNOLOGY LIMITED | Private company limited by shares | Live |
| NEW WAVE TELECOM & TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| WEALTH TELECOM TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Xi'an Winfine Telecom Technology Pte Limited | Private company limited by shares | Live |
| TELEGATE TELECOM SOLUTION LIMITED | Private company limited by shares | Dissolved |
| TELEWORLD TELECOM LIMITED | Private company limited by shares | Dissolved |
| TELTONE TELECOM LIMITED | Private company limited by shares | Dissolved |
| TENCOM TELECOM (ASIA) LIMITED | Private company limited by shares | Live |
| HUI TENG TELECOM LIMITED | Private company limited by shares | Live |
| TERMAX TELECOM LIMITED | Private company limited by shares | Live |
| TERNARY TELECOM LIMITED | Private company limited by shares | Live |
| THREE BIZ TELECOM LIMITED | Private company limited by shares | Live |
| TIME TELECOM LIMITED | Private company limited by shares | Dissolved |
| TIMES TELECOM LIMITED | Private company limited by shares | Live |
| TINY TELECOM LIMITED | Private company limited by shares | Dissolved |
| Tiny Telecom Limited | Private company limited by shares | Live |
| T-Link Telecom Limited | | Live |
| LI TONG TELECOM LIMITED | Private company limited by shares | Live |
| TONG WAN LI TELECOM LIMITED | Private company limited by shares | Dissolved |
| TONG HUI TELECOM LIMITED | | Live |
| CENTURY TELECOM TONGYUN COMPANY LIMITED | Private company limited by shares | Dissolved |
| TELECOM TOOLS LIMITED | Private company limited by shares | Live |
| TOPAZ TELECOM LIMITED | Private company limited by shares | Live |
| TOPCOM TELECOM LIMITED | | Live |
| TOPNETS GLOBAL TELECOM LIMITED | Private company limited by shares | Live |
| TOPTECH TELECOM LIMITED | Private company limited by shares | Dissolved |
| TOWERCREST TELECOM LIMITED | Private company limited by shares | Live |
| BEL TRADE TELECOM LIMITED | Private company limited by shares | Dissolved |
| HW Telecom Trade Limited | Private company limited by shares | Live |
| Tougher Telecom Electric Trade Limited | | Live |
| TELECOM TRADING LIMITED | Private company limited by shares | Live |
| ACE TELECOM TRADING LIMITED | Private company limited by shares | Dissolved |
| GSM TELECOM TRADING LIMITED | Private company limited by shares | Live |
| CL Telecom Trading Limited | Private company limited by shares | Live |
| KR Telecom Trading Limited | | Live |
| SK Telecom Trading Limited | | Live |
| ASIA TELECOM TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHINA TELECOM 3G TRADING GROUP LIMITED | Private company limited by shares | Dissolved |
| CYBERWORKS TELECOM TRADING LIMITED | Private company limited by shares | Dissolved |
| DESEWAY TELECOM TRADING LIMITED | Private company limited by shares | Live |
| Duck Kee Telecom Trading Limited | Private company limited by shares | Live |
| DYNAMIC TELECOM TRADING LIMITED | Private company limited by shares | Live |
| EASTERN TELECOM TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| FAST TELECOM GENERAL TRADING LIMITED | Private company limited by shares | Live |
| GAOMEI TELECOM TRADING (HK) LIMITED | Private company limited by shares | Live |
| HEYDAY TELECOM TRADING LIMITED | Private company limited by shares | Dissolved |
| PACIFIC TELECOM TRADING HOLDING LIMITED | Private company limited by shares | Live |
| Capgemini Telecom (Hong Kong) Trading Limited | | Live |
| HONG LUNG TELECOM TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| ICUBE TELECOM TRADING LIMITED | Private company limited by shares | Live |
| INTERCELL TELECOM TRADING LIMITED | Private company limited by shares | Live |
| Chung Long Telecom Trading Limited | Private company limited by shares | Live |
| CHUNG LONG TELECOM TRADING LIMITED | Private company limited by shares | Live |
| EASY RICH TELECOM TRADING LIMITED | Private company limited by shares | Live |
| Sigma Telecom and Trading Co., Limited | Private company limited by shares | Live |
| WINLUNG TELECOM TRADING LIMITED | Private company limited by shares | Dissolved |
| TransAsia Telecom Limited | Private company limited by shares | Live |
| TRANSIT TELECOM HK LIMITED | Private company limited by shares | Dissolved |