| USB COMMUNICATION (HK) CO., LIMITED | Private company limited by shares | Live |
| Kai Yin Communication (HK) Co., Limited | Private company limited by shares | Live |
| Hesper Communication (Hk) Co., Limited | Private company limited by shares | Live |
| HUAHONG COMMUNICATION (HK) CO., LIMITED | Private company limited by shares | Live |
| RUIK-TECH COMMUNICATION (H.K.) CO., LIMITED | Private company limited by shares | Live |
| SHENDA COMMUNICATION (H.K.) CO., LIMITED | Private company limited by shares | Dissolved |
| HONGJUN COMMUNICATION CO., LIMITED | Private company limited by shares | Live |
| HONSTECH COMMUNICATION CO., LIMITED | Private company limited by shares | Live |
| IN-BEST Communication HK Co., Limited | Private company limited by shares | Dissolved |
| Integration & Communication Co., Limited | Private company limited by shares | Live |
| SUN AH TAI INTERCULTURAL COMMUNICATION CO., LIMITED | Private company limited by shares | Live |
| AI COMMUNICATION INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| JINZHUAN COMMUNICATION CO., LIMITED | Private company limited by shares | Live |
| JOYCELL COMMUNICATION CO., LIMITED | Private company limited by shares | Live |
| KEDI COMMUNICATION (HONGKONG) CO., LIMITED | Private company limited by shares | Dissolved |
| LAVIE COMMUNICATION CO., LIMITED | Private company limited by shares | Live |
| LEADTEC COMMUNICATION CO., LIMITED | Private company limited by shares | Dissolved |
| HK LEGEND COMMUNICATION CO., LIMITED | Private company limited by shares | Live |
| LIANKE COMMUNICATION (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| AV LINKS COMMUNICATION (HONGKONG) CO., LIMITED | Private company limited by shares | Dissolved |
| CHINESE LIYUE COMMUNICATION CO., LIMITED | Private company limited by shares | Live |
| Maoshan Communication Co., Limited | Private company limited by shares | Live |
| HK MEIDI COMMUNICATION CO., LIMITED | Private company limited by shares | Live |
| Micropower Communication Co., Limited | Private company limited by shares | Live |
| MOON COMMUNICATION CO., LIMITED | Private company limited by shares | Dissolved |
| MULTIFLOW COMMUNICATION & MEDIA CO., LIMITED | Private company limited by shares | Dissolved |
| ZWT NETWORK COMMUNICATION CO., LIMITED | Private company limited by shares | Dissolved |
| HK XIXUN NETWORK COMMUNICATION CO., LIMITED | Private company limited by shares | Dissolved |
| NEWSTAR COMMUNICATION CO., LIMITED | Private company limited by shares | Live |
| NINGBO MISSIONX COMMUNICATION EQUIPMENT CO., LIMITED | Private company limited by shares | Live |
| OETECK COMMUNICATION CO., LIMITED | Private company limited by shares | Live |
| OPTOCOM COMMUNICATION CO., LIMITED | Private company limited by shares | Live |
| Pastorella Communication Co., Limited | Private company limited by shares | Live |
| Rayoptic Communication Co., Limited | Private company limited by shares | Live |
| RELIA COMMUNICATION EQUIPMENT CO., LIMITED | Private company limited by shares | Live |
| RONGKAI COMMUNICATION CO., LIMITED | Private company limited by shares | Live |
| Serenity Communication Trade Co., Limited | Private company limited by shares | Live |
| Shenzhen Sharingtek Communication Co., Limited | Private company limited by shares | Live |
| SHENG HE CENTURY COMMUNICATION CO., LIMITED | Private company limited by shares | Live |
| SHENZHEN ZX COMMUNICATION CO., LIMITED | Private company limited by shares | Live |
| Siflower Communication (HK) Co., Limited | Private company limited by shares | Live |
| LONG SIGHT COMMUNICATION CO., LIMITED | Private company limited by shares | Live |
| Sinohub Communication Co., Limited | Private company limited by shares | Live |
| Chinese Sinology Communication Co., Limited | Private company limited by shares | Live |
| SKYNET COMMUNICATION (HK) CO., LIMITED | Private company limited by shares | Live |
| Smart Communication Equipment Co., Limited | Private company limited by shares | Live |
| Mixe Communication Solutions Co., Limited | Private company limited by shares | Live |
| FUJIAN STAR-NET COMMUNICATION CO., LIMITED | Private company limited by shares | Live |
| Sun-Earth Communication (Hongkong) Co., Limited | Private company limited by shares | Live |
| SUNTOP COMMUNICATION EQUIPMENTS CO., LIMITED | Private company limited by shares | Dissolved |
| Eastsoft Communication (HK) System Co., Limited | Private company limited by shares | Live |
| YAOSHEN COMMUNICATION SYSTEM CO., LIMITED | Private company limited by shares | Live |
| SZOPT Communication Co., Limited | Private company limited by shares | Live |
| Teleline Communication Co., Limited | Private company limited by shares | Live |
| HK TIANHE COMMUNICATION CO., LIMITED | Private company limited by shares | Live |
| TOPTEC COMMUNICATION CO., LIMITED | Private company limited by shares | Live |
| TSINGHUA UNISPLENDOUR COMMUNICATION (H.K.) CO., LIMITED | Private company limited by shares | Dissolved |
| UNIRISE COMMUNICATION CO., LIMITED | Private company limited by shares | Live |
| UTEKLINE COMMUNICATION EQUIPMENT CO., LIMITED | Private company limited by shares | Live |
| Victory Communication Co., Limited | Private company limited by shares | Live |
| WanTong Communication Co., Limited | | Live |
| WEIBER COMMUNICATION CO., LIMITED | Private company limited by shares | Live |
| Witness Communication Co., Limited | Private company limited by shares | Live |
| X-optics Communication Co., Limited | | Live |
| XUNLIAN COMMUNICATION CO., LIMITED | Private company limited by shares | Live |
| YANGZHOU HONGXING COMMUNICATION EQUIPMENT CO., LIMITED | Private company limited by shares | Live |
| YAXUN COMMUNICATION (HK) CO., LIMITED | Private company limited by shares | Live |
| YEARNYE COMMUNICATION CO., LIMITED | Private company limited by shares | Live |
| ASIA YIFANG COMMUNICATION CO., LIMITED | Private company limited by shares | Dissolved |
| YINGCHANG COMMUNICATION CO., LIMITED | Private company limited by shares | Live |
| WU ZHOU COMMUNICATION CO., LIMITED | Private company limited by shares | Live |
| COASTNET COMMUNICATION (HK) LIMITED | Private company limited by shares | Live |
| COHERENT CREATION COMMUNICATION LIMITED | Private company limited by shares | Live |
| COLBY & STATON COMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| CHINA COMMUNICATION COLLEGE LIMITED | Private company limited by shares | Dissolved |
| EIGHT COLORS COMMUNICATION LIMITED | Private company limited by shares | Live |
| Come Communication Limited | Private company limited by shares | Live |
| COMFORT COMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| COMM - COMMUNICATION LIMITED | Private company limited by shares | Live |
| Comma Communication Group Limited | Private company limited by shares | Live |
| COMMUSYS COMMUNICATION EQUIPMENT LIMITED | Private company limited by shares | Live |
| TARD COMPUTER & COMMUNICATION CO., LIMITED | Private company limited by shares | Dissolved |
| LANTECH COMMUNICATION & COMPUTER SUPPLY CORPORATION LIMITED | Private company limited by shares | Dissolved |
| DATA-SPHERE COMPUTER & COMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| Polywin Computer Communication Limited | Private company limited by shares | Live |
| NEW CENTURY COMMUNICATION & COMPUTER TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| WAN-LAN COMMUNICATION & COMPUTER NETWORK COMPANY LIMITED | Private company limited by shares | Live |
| COMTECH COMMUNICATION (HONGKONG) LIMITED | Private company limited by shares | Live |
| E'S CONCEPT COMMUNICATION LIMITED | Private company limited by shares | Live |
| CONCEPT COMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| Dao New Concept Communication Co. Limited | Private company limited by shares | Live |
| CONCEPT COMMUNICATION (ASIA) LIMITED | Private company limited by shares | Dissolved |
| SMART CONCEPT COMMUNICATION CO., LIMITED | Private company limited by shares | Dissolved |
| CONFUCIAN COMMUNICATION GROUP LIMITED | Private company limited by shares | Live |
| World Confucius Culture International Communication Academy Limited | Private company limited by shares | Live |
| CONGA COMMUNICATION LIMITED | Private company limited by shares | Live |
| CONNECT COMMUNICATION LIMITED | Private company limited by shares | Live |
| CONNECT ALL COMMUNICATION LIMITED | Private company limited by shares | Live |
| C&C Communication and Construction Limited | Private company limited by shares | Live |
| HUA YI COMMUNICATION CONSTRUCTION (HK) CO., LIMITED | Private company limited by shares | Dissolved |