| HONG KONG QIANCHI COMMUNICATION LIMITED | Private company limited by shares | Live |
| HUA HONG (QZ) COMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| HONG KONG HORSE RACING COMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| Optic River Communication (Hong Kong) Limited | Private company limited by shares | Live |
| Hong Kong Sanke Communication Limited | Private company limited by shares | Live |
| HONG KONG SISUNG COMMUNICATION GROUP LIMITED | Private company limited by shares | Dissolved |
| Square Communication (Hong Kong) Limited | Private company limited by shares | Live |
| HONG KONG SUNTEK COMMUNICATION TECHNOLOGY CO. LIMITED | Private company limited by shares | Live |
| HONG KONG BICHAIN COMMUNICATION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HONG KONG DE CHENG COMMUNICATION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| CIBO COMMUNICATION TECHNOLOGY (HONG KONG) LIMITED | Private company limited by shares | Live |
| FAI WAH (HONG KONG) COMMUNICATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| HONG KONG MYE COMMUNICATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Hong Kong CH Communication Technology Co., LIMITED | Private company limited by shares | Live |
| HONG KONG COMMUNICATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HONG KONG YOU HUA COMMUNICATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Hong Kong ZHT Communication Technology Co., Limited | Private company limited by shares | Live |
| HONG KONG DINGDONG COMMUNICATION TECHNOLOGY LIMITED | | Live |
| FULIAN COMMUNICATION TECHNOLOGY (HONG KONG) LIMITED | | Live |
| HONG KONG GUEVARA COMMUNICATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HUA YU COMMUNICATION TECHNOLOGY (HONG KONG) LIMITED | Private company limited by shares | Live |
| HIP WO COMMUNICATION TECHNOLOGY (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SUG Communication Technology (Hong Kong) Limited | Private company limited by shares | Live |
| HONG KONG RUNXIANG COMMUNICATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Hui Tong Communication (Hong Kong) Technology Limited | Private company limited by shares | Live |
| CT UNITE COMMUNICATION TECHNOLOGY (HONG KONG) LIMITED | Private company limited by shares | Live |
| TECHWORLD COMMUNICATION (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| HONG KONG TOFLY COMMUNICATION LIMITED | Private company limited by shares | Live |
| JI TONG COMMUNICATION CO. (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Chang Xun Communication Trading Limited | Private company limited by shares | Live |
| HONG KONG NEW 1 COMMUNICATION TRADING LIMITED | Private company limited by shares | Live |
| Hong Kong Tungfong Communication Co., Limited | Private company limited by shares | Live |
| UNISTAR COMMUNICATION (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| WELL COMMUNICATION (HONG KONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| WingPlus Communication Hong Kong Company Limited | Private company limited by shares | Dissolved |
| Winner Communication (Hong Kong) Limited | Private company limited by shares | Dissolved |
| Hong Kong Wong Shek Communication Company Limited | | Live |
| HONG KONG YODA COMMUNICATION LIMITED | Private company limited by shares | Live |
| HONG KONG HUA YUAN COMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| ZERA COMMUNICATION (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| HONG KONG ZHENGTAIHE COMMUNICATION CO., LIMITED | | Live |
| ZHIZHEN COMMUNICATION (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| ZHONGGAN COMMUNICATION HONG KONG LIMITED | | Live |
| HONGCHUANG COMMUNICATION (HK) LIMITED | Private company limited by shares | Dissolved |
| HONGJIADA COMMUNICATION LIMITED | Private company limited by shares | Live |
| HKC COMMUNICATION (HONGKONG) LIMITED | Private company limited by shares | Live |
| AMANDA HONGKONG CULTURE COMMUNICATION HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| HONGKONG CHAOYAN INTERNATIONAL EYEBROW ART COMMUNICATION LIMITED | Private company limited by shares | Live |
| China (Hongkong) Xuanzhe Yi-ology Communication Limited | Private company limited by shares | Live |
| Wode Communication (Hongkong) Co., Limited | | Live |
| HONGKONG EMMANUEL CULTURE COMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| GUANGNAN COMMUNICATION (HONGKONG) LIMITED | Private company limited by shares | Dissolved |
| HongKong LIQIONG Trade Communication Limited | Private company limited by shares | Live |
| Hongkong MPLUS International Communication Co., Limited | Private company limited by shares | Live |
| Hongkong Qixing Culture Communication Limited | Private company limited by shares | Live |
| Hongkong succequation Culture Communication Co., Limited | Private company limited by shares | Live |
| RAYLEIGH COMMUNICATION TECHNOLOGY (HONGKONG) LIMITED | Private company limited by shares | Dissolved |
| XINGBIAODA COMMUNICATION EQUIPMENT (HONGKONG) CO., LIMITED | Private company limited by shares | Dissolved |
| YIYANG COMMUNICATION HONGKONG LIMITED | Private company limited by shares | Live |
| HIVEN (HONGKONG)CULTURAL COMMUNICATION CO., LIMITED | Private company limited by shares | Live |
| Hongyaoda Communication Limited | Private company limited by shares | Live |
| HONGYU COMMUNICATION INDUSTRIAL LIMITED | Private company limited by shares | Live |
| HopeKing Communication Technology Co., Limited | Private company limited by shares | Live |
| HOSTECH BUSINESS COMMUNICATION NETWORK LIMITED | Private company limited by shares | Dissolved |
| HUADONG COMMUNICATION CO., LIMITED | Private company limited by shares | Live |
| Huahan Communication Limited | Private company limited by shares | Live |
| HUAIDE COMMUNICATION LIMITED | Private company limited by shares | Live |
| Huanuo Communication Limited | Private company limited by shares | Live |
| Huapai Communication Electronics Co., Limited | | Live |
| HUARI COMMUNICATION INT'L LIMITED | Private company limited by shares | Live |
| Huatong Communication Co., Limited | Private company limited by shares | Live |
| HUAYONG COMMUNICATION (HK) CO., LIMITED | Private company limited by shares | Live |
| HUBA NETWORK COMMUNICATION CO., LIMITED | Private company limited by shares | Live |
| HULIAN COMMUNICATION CO., LIMITED | Private company limited by shares | Live |
| HUMAN COMMUNICATION LIMITED | | Live |
| China Humanistic Communication International (HK) Limited | | Live |
| HWASIN COMMUNICATION ENTERPRISE (HK) LIMITED | Private company limited by shares | Dissolved |
| Hwatone Communication Co., Limited | Private company limited by shares | Live |
| Hyatt Communication Limited | Private company limited by shares | Live |
| HYBRID Creative Communication Limited | Private company limited by shares | Live |
| Hyrun (China) Culture Communication Co., Limited | | Live |
| IBEST ELECTRONIC COMMUNICATION (HK) CO., LIMITED | Private company limited by shares | Live |
| I-CONCEPT COMMUNICATION LIMITED | Private company limited by shares | Live |
| ICONCONCEPT COMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| iCore Communication Limited | Private company limited by shares | Live |
| IFENG COMMUNICATION CO., LIMITED | Private company limited by shares | Live |
| IFONE COMMUNICATION (HONG KONG) CO., LIMITED | Private company limited by shares | Dissolved |
| IMACWEAR COMMUNICATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| IMAGE COMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| IMAGE ET COMMUNICATION LIMITED | Private company limited by shares | Live |
| China Campus Image Communication Company Limited | Private company limited by shares | Dissolved |
| IMAGE COMMUNICATION CORPORATION LIMITED | Private company limited by shares | Dissolved |
| IMAGE COMMUNICATION (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| ImageOne Digital Communication Limited | | Live |
| iMobileVision Communication (HK) Limited | Private company limited by shares | Dissolved |
| INCONTACT COMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| INDUSTRIAL COMMUNICATION LIMITED | Private company limited by shares | Live |
| CHINA COMMUNICATION INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| GREATWAY COMMUNICATION INDUSTRIAL CO., LIMITED | Private company limited by shares | Dissolved |
| HE XIN COMMUNICATION (HK) INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |