| WORLD TELECOM GROUP LIMITED | Private company limited by shares | Dissolved |
| Hong Kong World Ho Telecom Limited | Private company limited by shares | Live |
| WORLD TELECOM INTERNATIONAL LIMITED | Private company limited by shares | Live |
| WORLD LINK TELECOM LIMITED | Private company limited by shares | Live |
| WORLD TELECOM PROVIDER LIMITED | Private company limited by shares | Dissolved |
| SMART WORLD TELECOM LIMITED | Private company limited by shares | Live |
| STAR WORLD TELECOM LIMITED | Private company limited by shares | Dissolved |
| WORLD TRADING TELECOM LIMITED | Private company limited by shares | Dissolved |
| WALK WORLD TELECOM CO. LIMITED | Private company limited by shares | Dissolved |
| Worldline Telecom Limited | Private company limited by shares | Live |
| WORLDNET TELECOM COMPANY LIMITED | Private company limited by shares | Dissolved |
| WORLDSTATE INTERNATIONAL TELECOM LIMITED | Private company limited by shares | Live |
| TELECOM ONE WORLDWIDE LIMITED | Private company limited by shares | Live |
| TELECOM WORLDWIDE LIMITED | Private company limited by shares | Dissolved |
| Telecom Worldwide Magazine Limited | Private company limited by shares | Live |
| XCHANGE TELECOM LIMITED | Private company limited by shares | Live |
| XEON TELECOM LIMITED | Private company limited by shares | Live |
| Xikuan Telecom (Hong Kong) Co., Limited | Private company limited by shares | Live |
| HE XING TELECOM LIMITED | Private company limited by shares | Live |
| Bao Xing Telecom Company Limited | Private company limited by shares | Live |
| XINGLONG TELECOM LIMITED | Private company limited by shares | Live |
| XINHUA TELECOM LIMITED | Private company limited by shares | Live |
| XIXI TELECOM LIMITED | | Live |
| XPOWER TELECOM HK LIMITED | Private company limited by shares | Live |
| XuHang Telecom Limited | Private company limited by shares | Live |
| YACKIE TELECOM LIMITED | Private company limited by shares | Dissolved |
| Yadi Telecom Limited | Private company limited by shares | Live |
| SHIN YANG TELECOM LIMITED | Private company limited by shares | Dissolved |
| Yangtze Telecom Limited | | Live |
| YAOJIA TELECOM LIMITED | Private company limited by shares | Live |
| YEBOR TELECOM COMPANY LIMITED | Private company limited by shares | Live |
| YEBOR TELECOM TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| YESCELL TELECOM LIMITED | Private company limited by shares | Live |
| YESCOM TELECOM LIMITED | | Live |
| Ho Yeung Telecom Limited | Private company limited by shares | Live |
| YIDA TELECOM TECHNOLOGY LIMITED | | Live |
| YING YING TELECOM LIMITED | Private company limited by shares | Live |
| Yingda Telecom Company Limited | Private company limited by shares | Live |
| YINOR TELECOM LIMITED | | Live |
| HK YINTONG TELECOM PAYMENT LIMITED | Private company limited by shares | Live |
| HK YISHENG TELECOM LIMITED | | Live |
| YITAI TELECOM CO., LIMITED | Private company limited by shares | Live Commenced dormancy on 30-Jan-2014 |
| YITONG TELECOM LIMITED | | Live |
| Y.K. TELECOM LIMITED | Private company limited by shares | Live |
| Yong Sheng Telecom Limited | Private company limited by shares | Live |
| YORK TELECOM COMPANY LIMITED | Private company limited by shares | Live |
| YOULEKEN TELECOM LIMITED | | Live |
| HK JIN LI YUAN TELECOM LIMITED | Private company limited by shares | Live |
| YUAN LI HANG TELECOM LIMITED | Private company limited by shares | Dissolved |
| PO YUEN TELECOM LIMITED | Private company limited by shares | Live |
| SHENZHEN YUSUN TELECOM GROUP LIMITED | Private company limited by shares | Live |
| ZHEJIANG TELECOM LIMITED | Private company limited by shares | Dissolved |
| ZHONG XIN DA (HONG KONG) TELECOM TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| ZHONG XING TELECOM EQUIPMENT INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Zhongyang Telecom Limited | Private company limited by shares | Live |
| ZINGKAAI TELECOM LIMITED | | Live |
| ZOOM TELECOM LIMITED | Private company limited by shares | Live |
| ZOOM TELECOM SYSTEMS LIMITED | Private company limited by shares | Live |
| TELECOM2000 LIMITED | Private company limited by shares | Dissolved |
| TELECOMBINATION TECHNOLOGIES CO., LIMITED | Private company limited by shares | Live |
| ERUS Telecome Mobile Phone Co., Limited | Private company limited by shares | Live |
| E-GO TELECOME HONGKONG CO., LIMITED | Private company limited by shares | Dissolved |
| TELECOME PRESS AGENCY HONGKONG LIMITED | Private company limited by shares | Dissolved |
| EASYCALL TELECOM(HK) LIMITED | | Live |
| NEW TELECOMM COMPANY LIMITED | Private company limited by shares | Live |
| SMT TELECOMM HK LIMITED | Private company limited by shares | Live |
| Asia Tele-Comm Limited | Private company limited by shares | Live |
| CJSC TELECOMM TECHNOLOGY (ASIA) LIMITED | Private company limited by shares | Dissolved |
| New Era Telecomm Co., Limited | Private company limited by shares | Live |
| TELECOMM UNICATIONS CO., LIMITED | Private company limited by shares | Live |
| WIN GAIN TELECOMM (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| LINKED TELECOMM LIMITED | Private company limited by shares | Live |
| OPTICAL TELECOMM LIMITED | Private company limited by shares | Dissolved |
| TOP-TIME TELECOMM LIMITED | Private company limited by shares | Dissolved |
| PACIFIC RIM TELECOMM-DATACOMM LIMITED | Private company limited by shares | Live |
| Telecommerce Limited | Private company limited by shares | Live |
| HONGKONG ELEGANT HERO TELECOMMICATION LOGISTICS LIMITED | Private company limited by shares | Dissolved |
| TelecomMotion Limited | Private company limited by shares | Live |
| NUOJIE TELECOMMUN LIMITED | Private company limited by shares | Live |
| CHASE TELECOMMUNCITION LIMITED | Private company limited by shares | Dissolved |
| Telecommune Company Limited | | Live |
| CTC TELECOMMUNICATION CO. LIMITED | Private company limited by shares | Dissolved |
| XIN NIE TELECOMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| MTR TELECOMMUNICATION COMPANY LIMITED | Private company limited by shares | Live |
| SEF TELECOMMUNICATION COMPANY LIMITED | Private company limited by shares | Dissolved |
| TP TELECOMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| ABC TELECOMMUNICATION LIMITED | Private company limited by shares | Live |
| YST TELECOMMUNICATION LIMITED | Private company limited by shares | Live |
| TELECOMMUNICATION LIMITED | Private company limited by shares | Live |
| GAO XIN TELECOMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| CIH TELECOMMUNICATION LIMITED | Private company limited by shares | Live |
| GB Telecommunication Limited | Private company limited by shares | Live |
| Hop Lik Telecommunication Company Limited | Private company limited by shares | Live |
| Lai Fu Telecommunication Limited | Private company limited by shares | Live |
| KAI YIK TELECOMMUNICATION COMPANY LIMITED | Private company limited by shares | Live |
| SYN TELECOMMUNICATION LIMITED | Private company limited by shares | Live |
| Kin Tat Telecommunication Limited | | Live |
| Guo Er Telecommunication Co. Limited | | Live |
| DEI LI TELECOMMUNICATION LIMITED | | Live |
| Advantage Telecommunication Limited | Private company limited by shares | Live |