| Yan yee communication technology (HK) Co., Limited | Private company limited by shares | Live |
| HK HOLLYRICH COMMUNICATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HONGFUSHENG COMMUNICATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HuaJiaYuan Communication Technology Co., Limited | Private company limited by shares | Live |
| MAMBOW COMMUNICATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| 6 Point Communication Technology Co., Limited | Private company limited by shares | Live |
| REEKO COMMUNICATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| RUILAIBO COMMUNICATION TECHNOLOGY CO., LIMITED | | Live |
| Sany Communication Technology Co., Limited | Private company limited by shares | Live |
| SHENZHEN WDT COMMUNICATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| SHMA COMMUNICATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| Synaptic Communication Technology Co., Limited | | Live |
| VPLUS COMMUNICATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Xinhua Communication Technology Co., Limited | Private company limited by shares | Live |
| CHINA COACHING TECHNOLOGY CULTURE COMMUNICATION LIMITED | Private company limited by shares | Live |
| COMTECH COMMUNICATION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| COMTECH COMMUNICATION TECHNOLOGY (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| Creative Communication Technology Cooperation HK Limited | Private company limited by shares | Live |
| Csenvi technology communication Limited | Private company limited by shares | Live |
| DATA COMMUNICATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| DEEPHONE COMMUNICATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| DIFONE COMMUNICATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| DIGI COMMUNICATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| DIGITAL COMMUNICATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| DIGITAL COMMUNICATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| DingYu Communication Technology Co., Limited | | Live |
| Dodo Communication Technology Limited | Private company limited by shares | Dissolved |
| DoDo Communication Technology International Limited | Private company limited by shares | Dissolved |
| EASY PASS TECHNOLOGY COMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| Eelink Communication Technology (HK) Limited | Private company limited by shares | Live |
| SY COMMUNICATION ELECTRONIC TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| E-STAR COMMUNICATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| ETHETA COMMUNICATION TECHNOLOGY (HK) LIMITED | Private company limited by shares | Dissolved |
| E-TREND COMMUNICATION TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| FANGKAI COMMUNICATION TECHNOLOGY (H.K) LIMITED | Private company limited by shares | Dissolved |
| FIBERMAX COMMUNICATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| GENERAL COMMUNICATION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| GLOBAL LINK COMMUNICATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| SHENZHEN GOCONNECT COMMUNICATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HK GOWINRAY COMMUNICATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| GREEN COMMUNICATION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HK GRID COMMUNICATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| G-Sky Communication Technology Company Limited | Private company limited by shares | Dissolved |
| GSUN COMMUNICATION TECHNOLOGY HK LIMITED | Private company limited by shares | Dissolved |
| KE GUANG COMMUNICATION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Haina Communication Technology (HK) Limited | Private company limited by shares | Dissolved |
| HIGH-SPEED COMMUNICATION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HIGHTECH COMMUNICATION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| ZTG Communication Technology (HK) Co Limited | Private company limited by shares | Live |
| BAJIN COMMUNICATION TECHNOLOGY (HK) COMPANY LIMITED | Private company limited by shares | Live |
| DELIN COMMUNICATION TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| NAMO Communication Technology (HK) Limited | Private company limited by shares | Live |
| RUIXIANG COMMUNICATION TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| COMMUNICATION TECHNOLOGY HOLDING LIMITED | Private company limited by shares | Dissolved |
| UNITE COMMUNICATION TECHNOLOGY (HOLDING) LIMITED | Private company limited by shares | Dissolved |
| Hongda Communication (HK) Technology Limited | Private company limited by shares | Live |
| YK COMMUNICATION TECHNOLOGY (HONGKONG) LIMITED | Private company limited by shares | Dissolved |
| FAR TECHNOLOGY COMMUNICATION (HONGKONG) LIMITED | Private company limited by shares | Live |
| HongXu Communication Technology Co., Limited | Private company limited by shares | Live |
| HOWIN COMMUNICATION TECHNOLOGY (HK) COMPANY LIMITED | Private company limited by shares | Live |
| HUAQI COMMUNICATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| MAP COMMUNICATION TECHNOLOGY INC. LIMITED | Private company limited by shares | Dissolved |
| Jadestone Communication Technology Co., Limited | Private company limited by shares | Live |
| Jiawei Electronic Communication Technology Co., Limited | Private company limited by shares | Live |
| HUIZHOU JIEZHI COMMUNICATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| JINHUA COMMUNICATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| JIUJIN COMMUNICATION TECHNOLOGY (HK) COMPANY LIMITED | Private company limited by shares | Live |
| JIUZHOUHUAKE COMMUNICATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| JOSH COMMUNICATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Junteng Communication Technology Limited | Private company limited by shares | Dissolved |
| KEENWAY COMMUNICATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| KINGDIGITAL COMMUNICATION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| KINGLOY COMMUNICATION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| KINGPOU COMMUNICATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| KOREA TRI STAR COMMUNICATION TECHNOLOGY (HK) LIMITED | Private company limited by shares | Dissolved |
| LANAN COMMUNICATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| LANAO COMMUNICATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| LANSHENG COMMUNICATION TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Live |
| LEADER COMMUNICATION TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| HK LEFANDA COMMUNICATION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| LETU COMMUNICATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Lianchuang Communication Technology Limited | Private company limited by shares | Live |
| LINGHANG COMMUNICATION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HK LIXIN COMMUNICATION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HK LUCKY COMMUNICATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| M2M-ACME COMMUNICATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| MEIJIN COMMUNICATION TECHNOLOGY (H.K.) LIMITED | Private company limited by shares | Live |
| COMMUNICATION NETWORK TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| NETWORK COMMUNICATION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Cloudcom Network Communication Technology Limited | Private company limited by shares | Live |
| Network Communication Technology Co., Limited | Private company limited by shares | Live |
| NEWSTAR COMMUNICATION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| NOVA TECHNOLOGY & COMMUNICATION LIMITED | Private company limited by shares | Live Commenced dormancy on 07-Oct-2004 |
| ORIGINAL COMMUNICATION TECHNOLOGY CO., LIMITED -THE- | Private company limited by shares | Live |
| PACIFIC COMMUNICATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Padwin Communication Technology Co., Limited | Private company limited by shares | Live |
| Pamirs Communication Technology Co., Limited | Private company limited by shares | Live |
| Shenzhen Pengning Communication Technology Limited | | Live |
| Photowave Communication Technology Limited | | Live |
| PLUSLEY TECHNOLOGY COMMUNICATION LIMITED | Private company limited by shares | Dissolved |