| CHINA XUANSHENG YIXUE DAO MEDICINE CULTURAL COMMUNICATION LIMITED | Private company limited by shares | Live |
| YMORN COMMUNICATION LIMITED | Private company limited by shares | Live |
| SUN & YONGDER COMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| Yonghui Communication International Limited | Private company limited by shares | Live |
| HK YOUCHUANG COMMUNICATION LIMITED | Private company limited by shares | Live |
| YUAN YANG COMMUNICATION LIMITED | Private company limited by shares | Live |
| YUANDA COMMUNICATION CO., LIMITED | | Live |
| Yuesheng Communication Co., Limited | | Live |
| HK YULITONG COMMUNICATION EQUIPMENT LIMITED | Private company limited by shares | Live |
| YunJie Communication HK Company Limited | Private company limited by shares | Live |
| YUTONG COMMUNICATION NETWORKS LIMITED | Private company limited by shares | Dissolved |
| Yuyao Maxun Communication Equipment Limited | Private company limited by shares | Live |
| YUZHOUXING COMMUNICATION TECHNOLOGY (SHENZHEN) CO., LIMITED | Private company limited by shares | Dissolved |
| ZERO POINT COMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| ZERO COMMUNICATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ZERONE COMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| Zeta Communication Technology (HK) Limited | Private company limited by shares | Live |
| Shenzhen Zhen Zhao Ye Communication Technology Limited | Private company limited by shares | Live |
| Zhaoxian Communication Equipment Co., Limited | Private company limited by shares | Live |
| ZHIBO COMMUNICATION EQUIPMENT (H.K.) LIMITED | Private company limited by shares | Dissolved |
| ZHIDA COMMUNICATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| ZHONGNENG ZHIGU COMMUNICATION EQUIPMENT LIMITED | Private company limited by shares | Live |
| HK Zhiming Communication Technology Limited | Private company limited by shares | Live |
| ZHINENG COMMUNICATION LIMITED | Private company limited by shares | Live |
| ZHISHANG COMMUNICATION CO., LIMITED | Private company limited by shares | Live |
| Zhonghua Painting and Calligraphy Communication Limited | Private company limited by shares | Live |
| ZHONGHUA YANHUANG CULTURAL COMMUNICATION GROUP LIMITED | Private company limited by shares | Live |
| Zhongshu Communication Technology Co., Limited | Private company limited by shares | Live |
| ZHONGYUAN COMMUNICATION LIMITED | Private company limited by shares | Live |
| HK ZHUOXINDA COMMUNICATION EQUIPMENT CO., LIMITED | Private company limited by shares | Dissolved |
| Shenzhen Zhuoyue Communication Limited | Private company limited by shares | Live |
| ZISA COMMUNICATION LIMITED | Private company limited by shares | Live |
| ZIZHUYUAN SINOLOGY ART COMMUNICATION LIMITED | Private company limited by shares | Live |
| Zongxin Communication Co., Limited | Private company limited by shares | Live |
| ZOON COMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| ZTECH COMMUNICATION PRODUCTS (HK) CO., LIMITED | Private company limited by shares | Live |
| ZXWY COMMUNICATION INT'L CO., LIMITED | Private company limited by shares | Dissolved |
| Wewe Communicational International Co., Limited | Private company limited by shares | Live |
| Hong Kong Communication&Cooperation Limited | Private company limited by shares | Live |
| HENGYUN COMMUNICATION(HK) TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| NEW DOMAIN CULTURE COMMUNICATION(HK) LIMITED | Private company limited by shares | Live |
| CommunicationOne Limited | Private company limited by shares | Live |
| C. C. COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| ABC COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| IDI COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| VIS A VIS COMMUNICATIONS, LIMITED | Private company limited by shares | Dissolved |
| A P C COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| HKS COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| PTI COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| D D COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| KAM KUI COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| AYY COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| J. M. COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| ACE COMMUNICATIONS COMPANY LIMITED | Private company limited by shares | Dissolved |
| SD COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| TSC COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| AZY COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| A & S COMMUNICATIONS COMPANY LIMITED | Private company limited by shares | Dissolved |
| CNT COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| DNT COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| KST COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| WOL COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| WI COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| ERA COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| I & S COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| POP ART COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| PAM COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| C. E. COMMUNICATIONS COMPANY LIMITED | Private company limited by shares | Live |
| U. S. COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| MK2 COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| N. B. S. COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| J. A. COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| MBM COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| ACL COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| BF COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| Y COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| L & A COMMUNICATIONS COMPANY LIMITED | Private company limited by shares | Live |
| RUN ALL COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| T&C COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| DTC COMMUNICATIONS, LIMITED | Private company limited by shares | Dissolved |
| EPR COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| LG COMMUNICATIONS, LIMITED | Private company limited by shares | Dissolved |
| ADL COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| RG COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| MLT COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| C & C COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| RIM COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| B COMMUNICATIONS COMPANY LIMITED | Private company limited by shares | Dissolved |
| M COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| T & F COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| NET ONE COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| FDS COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| BEE COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| UCS COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| U3 (COMMUNICATIONS) LIMITED | Private company limited by shares | Dissolved |
| RC COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| C&J COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| PPA COMMUNICATIONS LIMITED | Private company limited by shares | Live Ceased dormancy on 22-Nov-2001 |
| DA DEE COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| PSI COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |