| HANZO COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| HAOBITE COMMUNICATIONS EQUIPMENT (HK) LIMITED | Private company limited by shares | Live |
| HARE COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| HARKING COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| HARRIS COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| HARRISON COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| Harrison Communications Limited | Private company limited by shares | Live |
| Harvest Communications Limited | Private company limited by shares | Live |
| Hatch Communications Limited | Private company limited by shares | Live |
| HatTrick Communications Limited | Private company limited by shares | Dissolved |
| HAUS COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| HAWK COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| HEADEE COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| HEALTH COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| HEALTH ASIA COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| FRONTIER HEALTHCARE COMMUNICATIONS CO. LIMITED | Private company limited by shares | Dissolved |
| HEARST COMMUNICATIONS LIMITED | | Live |
| HEAT COMMUNICATIONS ADVISORS LIMITED | Private company limited by shares | Live |
| HERO COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| HESTIUN COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| Hexacubic Communications Limited | Private company limited by shares | Live |
| HI-F COMMUNICATIONS COMPANY LIMITED | Private company limited by shares | Dissolved |
| ASIAN HIGH-TECH COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| Hilary Hathway Communications Limited | Private company limited by shares | Live |
| HILLYGO COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| San Yut Hing Communications Limited | | Live |
| HI-UP COMMUNICATIONS (INTERNATIONAL) LIMITED | Private company limited by shares | Dissolved |
| IDG COMMUNICATIONS (HK) LIMITED | Private company limited by shares | Dissolved |
| 3D COMMUNICATIONS (HK) LIMITED | Private company limited by shares | Dissolved |
| R & D COMMUNICATIONS (H.K.) LIMITED | Private company limited by shares | Dissolved |
| TM COMMUNICATIONS (H.K.) LIMITED | Private company limited by shares | Dissolved |
| COMMUNICATIONS (HK) LIMITED | Private company limited by shares | Dissolved |
| WP COMMUNICATIONS (HK) LIMITED | Private company limited by shares | Live |
| AIR COMMUNICATIONS (HK) LIMITED | Private company limited by shares | Dissolved |
| SM COMMUNICATIONS (HK) LIMITED | Private company limited by shares | Dissolved |
| L C J COMMUNICATIONS (HK) LIMITED | Private company limited by shares | Dissolved |
| APS COMMUNICATIONS (HK) LIMITED | Private company limited by shares | Live |
| DOT COMMUNICATIONS (HK) LIMITED | Private company limited by shares | Live |
| ATP COMMUNICATIONS (HK) LIMITED | Private company limited by shares | Dissolved |
| NLP COMMUNICATIONS (HK) LIMITED | Private company limited by shares | Live |
| MHP COMMUNICATIONS (H.K.) LIMITED | Private company limited by shares | Live |
| TEK COMMUNICATIONS (HK) LIMITED | Private company limited by shares | Live |
| ADFRONT COMMUNICATIONS (HK) LIMITED | Private company limited by shares | Dissolved |
| Buzz Communications (HK) Limited | Private company limited by shares | Live |
| Dingli Communications (H.K.) Company Limited | Private company limited by shares | Live |
| EASTERN COMMUNICATIONS (H.K.) LIMITED | Private company limited by shares | Dissolved |
| EUREKA COMMUNICATIONS (HK) LIMITED | Private company limited by shares | Dissolved |
| Greenz Communications (HK) Limited | Private company limited by shares | Live |
| 360 NET COMMUNICATIONS INT'L (HK) LIMITED | Private company limited by shares | Dissolved |
| JUST HEALTHCARE COMMUNICATIONS (HK) LIMITED | Private company limited by shares | Dissolved |
| KEYWEST COMMUNICATIONS (HK) LIMITED | Private company limited by shares | Live |
| LINK-WORK COMMUNICATIONS (HK) LIMITED | Private company limited by shares | Live |
| NORTHVOICE COMMUNICATIONS (H.K.) LIMITED | Private company limited by shares | Dissolved |
| OPLINK COMMUNICATIONS (HK) LIMITED | Private company limited by shares | Live |
| PLANNERS COMMUNICATIONS (HK) LIMITED | Private company limited by shares | Live |
| RESOURCEVALLEY COMMUNICATIONS H.K. LIMITED | Private company limited by shares | Live |
| HKONE COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| HKYC COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| ABC COMMUNICATIONS (HOLDING) LIMITED | Private company limited by shares | Dissolved |
| HOME-TECH COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| HONEYCOMB COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| YET MAN HONG COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| Allot Communications (Hong Kong) Limited | Private company limited by shares | Live |
| ARBINET COMMUNICATIONS HONG KONG LIMITED | Private company limited by shares | Dissolved |
| HONG KONG ARTSTA ARTS COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| COMMUNICATIONS ASSOCIATION OF HONG KONG LIMITED | Company limited by guarantee | Live |
| AUGMENT COMMUNICATIONS (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| AUSTRALIA ASIA COMMUNICATIONS HONG KONG LIMITED | Private company limited by shares | Dissolved |
| AVATAR COMMUNICATIONS HONG KONG LIMITED | Private company limited by shares | Dissolved |
| BANK OF COMMUNICATIONS (HONG KONG) LIMITED | Private company limited by shares | Live |
| Belross Communications Hong Kong Limited | Private company limited by shares | Live |
| BETA-LINK COMMUNICATIONS (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| HONG KONG BEYOND COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| BriteNum Communications (Hong Kong) Limited | Private company limited by shares | Live |
| HONG KONG CABLE COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| CHINA ICO COMMUNICATIONS INVESTMENT (HONG KONG) LIMITED | Private company limited by shares | Live |
| CHINA COMMUNICATIONS & INVESTMENT (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| HONG KONG COMMUNICATIONS (CHINA) COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHINA HONG KONG COMMUNICATIONS TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| HONG KONG CHUANGYI COMMUNICATIONS CO., LIMITED | Private company limited by shares | Live |
| ClearOne Communications Hong Kong, Limited | Private company limited by shares | Live |
| CBF COMMUNICATIONS (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| HONG KONG IMI COMMUNICATIONS CO., LIMITED | Private company limited by shares | Live |
| T&S Communications (Hong Kong) Co., Limited | | Live |
| Hong kong Yiwei Communications Co., Limited | | Live |
| COMIO COMMUNICATIONS (HONG KONG) LIMITED | Private company limited by shares | Live |
| HONG KONG COMMERCIAL DAILY COMMUNICATIONS COMPANY LIMITED | Private company limited by shares | Dissolved |
| ADVANCED COMPUTER COMMUNICATIONS (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| HONG KONG COMMUNICATIONS COMPUTER COMPANY LIMITED | Private company limited by shares | Dissolved |
| COSINE COMMUNICATIONS HONG KONG LIMITED | Private company limited by shares | Dissolved |
| Hong Yan Cultural Communications Limited | Private company limited by shares | Live |
| HONG KONG CHINESE CULTURAL COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| HONG KONG QINGHUACI CULTURAL COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| DANAM COMMUNICATIONS (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| Hong Kong New Communications Digital Technology Co Limited | Private company limited by shares | Live |
| Hong Kong Ascent Dragon Communications Company Limited | Private company limited by shares | Live |
| YUXIN ELECTRONIC COMMUNICATIONS (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| Exactta Communications Hong Kong Limited | Private company limited by shares | Dissolved |
| SE GLOBAL COMMUNICATIONS (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| GLOBAL COMMUNICATIONS HONG KONG LIMITED | Private company limited by shares | Dissolved |