| SEMI LIMITED | Private company limited by shares | Dissolved |
| SEMI HK LIMITED | Private company limited by shares | Dissolved |
| AEC SEMI COMPANY LIMITED | Private company limited by shares | Live |
| SEMI SUN LIMITED | Private company limited by shares | Live |
| AST SEMI Limited | Private company limited by shares | Live |
| UE SEMI LIMITED | | Live |
| XIN RAN SEMI LIMITED | | Live |
| BYL SEMI LIMITED | | Live |
| HK H Semi Limited | | Live |
| ADVANCED SEMI LIMITED | Private company limited by shares | Live |
| LINX SEMI LIMITED | Private company limited by shares | Live |
| POWERTECH SEMI COMPANY LIMITED | Private company limited by shares | Live |
| UNICORN SEMI COMPANY LIMITED | Private company limited by shares | Live |
| Wingsky Semi Limited | | Live |
| WINLONG SEMI LIMITED | | Live |
| YAPY SEMI LIMITED | | Live |
| SEMIA LIMITED | Private company limited by shares | Live |
| SEMIACCESS.COM LIMITED | Private company limited by shares | Dissolved |
| SEMIADVANCE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Semiair Industrial Limited | Private company limited by shares | Live |
| SemiAuto HK Limited | Private company limited by shares | Live |
| HK Semibases Co., Limited | | Live |
| SemiBio Limited | Private company limited by shares | Live |
| SEMIBIOLOGY CORPORATION LIMITED | Private company limited by shares | Dissolved |
| SEMIC ASIA LIMITED | Private company limited by shares | Dissolved |
| SEMIC Holding Limited | Private company limited by shares | Live |
| Semic International Limited | Private company limited by shares | Live |
| SEMIC TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Semicang Trading Limited | Private company limited by shares | Live |
| SEMICIN HK LIMITED | Private company limited by shares | Live |
| SEMICITY LIMITED | Private company limited by shares | Live |
| DC SEMICO LIMITED | Private company limited by shares | Dissolved |
| SEMICO ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Semicolon Limited -The- | Private company limited by shares | Live |
| JP SEMICOM LIMITED | | Live |
| SEMICOM LEXIS LIMITED | Private company limited by shares | Live |
| SemiComm Inc HK Limited | Private company limited by shares | Live |
| SEMICOMM TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ETA SEMICON CO. LIMITED | Private company limited by shares | Dissolved |
| SEMICON HK LIMITED | Private company limited by shares | Dissolved |
| MTI SEMICON LIMITED | Private company limited by shares | Live |
| SEMICON GAS CO. LIMITED | Private company limited by shares | Live |
| HK IK SEMICON Limited | | Live |
| TMK Semicon Limited | | Live |
| AIOT SEMICON (HONGKONG) LIMITED | Private company limited by shares | Live |
| SEMICON CHINA LIMITED | Private company limited by shares | Dissolved |
| Semicon Light (China) Company Limited | Private company limited by shares | Live |
| JUN WEI SEMICON CO., LIMITED | Private company limited by shares | Dissolved |
| SEMICON (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| SEMICON INTL HK CO., LIMITED | | Live |
| Sumatech Semicon Co., Limited | Private company limited by shares | Live |
| DIGITAL SEMICON HK CO LIMITED | Private company limited by shares | Live |
| SEMICON ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| SEMICON ELECTRONICS LIMITED | Private company limited by shares | Live |
| STANDARD SEMICON ELECTRONICS (HK) CO., LIMITED | Private company limited by shares | Live |
| STANDARD SEMICON ELECTRONICS LIMITED | Private company limited by shares | Live |
| Semicon Electronics Technology Co., Limited | Private company limited by shares | Live |
| Galaxy Semicon Group Limited | | Live |
| IK SEMICON (HK) COMPANY LIMITED | Private company limited by shares | Live |
| SEMICON EXCHANGE (HK) LIMITED | Private company limited by shares | Dissolved |
| HKUV SEMICON LIMITED | | Live |
| Hong Kong Advantage Semicon Limited | Private company limited by shares | Live |
| ZX Semicon (Hong Kong) Co., Limited | Private company limited by shares | Live |
| KEI Semicon Hong Kong Limited | Private company limited by shares | Live |
| SEMICON INTERNATIONAL (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| MARUBUN SEMICON HONG KONG LIMITED | Private company limited by shares | Live |
| Semicon (HongKong) Limited | Private company limited by shares | Live |
| HONYA SEMICON CO., LIMITED | Private company limited by shares | Live |
| HYUNDAI HOSE SEMICON CO. LIMITED | Private company limited by shares | Dissolved |
| Allfu Semicon Investment Limited | | Live |
| KOONKY SEMICON LIMITED | Private company limited by shares | Dissolved |
| POWER SEMICON LIMITED | Private company limited by shares | Live |
| Semicon Production Limited | Private company limited by shares | Live |
| SEMICON PRODUCTS & SYSTEMS COMPANY LIMITED | Private company limited by shares | Dissolved |
| INNOVATIVE SEMICON TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| SEMICON TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| Excellent Semicon Technology Co., Limited | Private company limited by shares | Live |
| Semicon (HK) technology co., Limited | Private company limited by shares | Live |
| ISM SEMICON TECHNOLOGY (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| SEMICON INTERNATIONAL TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| Topmost Semicon Technology Limited | | Live |
| Eurasian Semicon Trends Limited | Private company limited by shares | Live |
| VIDA Semicon Co., Limited | Private company limited by shares | Live |
| VISTA SEMICON CO., LIMITED | Private company limited by shares | Live |
| YINGRUI SEMICON INT'L LIMITED | Private company limited by shares | Live |
| GBRIDGE SEMICONDUCTER CO., LIMITED | Private company limited by shares | Dissolved |
| AV SEMICONDUCTIVE COMPANY LIMITED | Private company limited by shares | Live |
| DIA SEMICONDUCTOR LIMITED | Private company limited by shares | Dissolved |
| SIS SEMICONDUCTOR COMPANY LIMITED | Private company limited by shares | Dissolved |
| THK SEMICONDUCTOR LIMITED | Private company limited by shares | Live |
| KH SEMICONDUCTOR LIMITED | Private company limited by shares | Dissolved |
| AV SEMICONDUCTOR LIMITED | Private company limited by shares | Dissolved |
| SEMI-CONDUCTOR LIMITED | Private company limited by shares | Dissolved |
| E. C. SEMICONDUCTOR COMPANY LIMITED | Private company limited by shares | Dissolved |
| HKS SEMICONDUCTOR LIMITED | Private company limited by shares | Dissolved |
| A T SEMICONDUCTOR COMPANY LIMITED | Private company limited by shares | Dissolved |
| BCD SEMICONDUCTOR LIMITED | Private company limited by shares | Live |
| G TO G SEMICONDUCTOR CO. LIMITED | Private company limited by shares | Dissolved |
| AE SEMICONDUCTOR LIMITED | Private company limited by shares | Live |
| K & R Semiconductor Limited | Private company limited by shares | Dissolved |