| WHAMPOA TELECOM LIMITED | Private company limited by shares | Dissolved |
| WIDE WAY TELECOM COMMUNICATION TECHNOLOGY TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| WELL WIDE TELECOM LIMITED | Private company limited by shares | Live |
| WIFI TELECOM LIMITED | Private company limited by shares | Live |
| WILLIE TELECOM LIMITED | Private company limited by shares | Dissolved |
| Telecom Wimax Limited | Private company limited by shares | Live |
| WIN2000 TELECOM LIMITED | Private company limited by shares | Live |
| WINCORE TELECOM LIMITED | | Live |
| Windsor Telecom Limited | | Live |
| WINFAX TELECOM LIMITED | Private company limited by shares | Live |
| WINFORD TELECOM LIMITED | Private company limited by shares | Live |
| WING WAI TELECOM CO. LIMITED | Private company limited by shares | Live |
| TAT WING TELECOM CO. LIMITED | Private company limited by shares | Dissolved |
| WINGO TELECOM LIMITED | Private company limited by shares | Live |
| WINGTECH TELECOM LIMITED | Private company limited by shares | Live |
| ALL WINNING TELECOM LIMITED | | Live |
| WINPHONE TELECOM LIMITED | | Live |
| WinTek Telecom Limited | Private company limited by shares | Live |
| WINTONE TELECOM LIMITED | Private company limited by shares | Dissolved |
| WISE TELECOM LIMITED | Private company limited by shares | Live |
| Wize Telecom Limited | Private company limited by shares | Dissolved |
| WONG LEE TELECOM LIMITED | Private company limited by shares | Dissolved |
| Asia Works Telecom Limited | Private company limited by shares | Live |
| TELECOM & WORKS ENG., CO. LIMITED | Private company limited by shares | Live |
| NEW WORLD TELECOM LIMITED | Private company limited by shares | Dissolved |
| WORLD TELECOM COMPANY LIMITED | Private company limited by shares | Dissolved |
| Sim World Telecom Limited | Private company limited by shares | Dissolved |
| WORLD TELECOM LIMITED | Private company limited by shares | Dissolved |
| WORLD TELECOM LIMITED | Private company limited by shares | Live |
| TELECOM WORLD LIMITED | Private company limited by shares | Live |
| NEW WORLD TELECOM CO. LIMITED | Private company limited by shares | Live |
| WORLD TELECOM ASIA LIMITED | Private company limited by shares | Dissolved |
| SUN WORLD TELECOM CO., LIMITED | Private company limited by shares | Dissolved |
| WORLD TELECOM H.K. CO., LIMITED | Private company limited by shares | Dissolved |
| World Trade Telecom HK Corp Limited | Private company limited by shares | Live |
| WORLD DELUXE TELECOM LIMITED | Private company limited by shares | Live |
| WORLD DIAL NETWORK TELECOM LIMITED | Private company limited by shares | Dissolved |
| 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 |