| MICROS LIMITED | Private company limited by shares | Dissolved |
| HL MICROS LIMITED | Private company limited by shares | Live |
| Cube Micros Limited | Private company limited by shares | Dissolved |
| MICROS LIGHTING INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| MICROS SOLUTION LIMITED | Private company limited by shares | Dissolved |
| Micros Technology Co., Limited | Private company limited by shares | Dissolved |
| Microsat Limited | Private company limited by shares | Live |
| MICROSAT COMMUNICATION LIMITED | Private company limited by shares | Live |
| MARKET MICROSCOPE LIMITED - THE | Private company limited by shares | Dissolved |
| PW MICROSCOPE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| MICROSCOPIC SPIDER LIMITED | | Live |
| FINE MICROSCOPIC TRADING CO., LIMITED | Private company limited by shares | Live |
| MICROSCOTT LIMITED | Private company limited by shares | Live |
| Microsec Trading Limited | Private company limited by shares | Live |
| MICROSEEDS TRADING (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| Microsemitech Limited | Private company limited by shares | Live |
| MICROSENSORS LIMITED | Private company limited by shares | Dissolved |
| MicroSequence HK Limited | Private company limited by shares | Live |
| Financial Microservices (HK) Limited | Private company limited by shares | Live |
| MICROSHIFT ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| Microshine Co., Limited | Private company limited by shares | Live |
| MICROSHIP SHIPPING COMPANY LIMITED | Private company limited by shares | Live |
| MicroShowtime Limited | | Live |
| MICROSIL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| MICROSIM TECHNOLOGIES (HONG KONG) LIMITED | Private company limited by shares | Live |
| MICROSIM TECHNOLOGY LIMITED | Private company limited by shares | Live |
| MICROSIMPLE (HK) TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Microsix Limited | | Live |
| Microskills Limited | Private company limited by shares | Live |
| MICROSKY HK COMPANY LIMITED | | Live |
| Microsky Co., Limited | Private company limited by shares | Live |
| Microsky Group Limited | | Live |
| Microsky Tech Company Limited | Private company limited by shares | Live |
| MICROSOLUTIONS LIMITED | Private company limited by shares | Dissolved |
| HONG KONG MICROSON TRADE CO., LIMITED | Private company limited by shares | Live |
| Microsonic Technology Limited | Private company limited by shares | Live |
| Microsonic Technology Hong Kong Limited | Private company limited by shares | Live |
| MICRO-SOURCING CO., LIMITED | Private company limited by shares | Live |
| Microspark Culture And Education Company Limited | Private company limited by shares | Live |
| Microspark Enterprise Limited | Private company limited by shares | Live |
| Microspark (HK) Limited | Private company limited by shares | Live |
| Microspark International Wealth Management Company Limited | Private company limited by shares | Live |
| MICROSPHERE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Micross Instrument Co., Limited | Private company limited by shares | Live |
| Micross Components Limited | Private company limited by shares | Live |
| MICROSTAR COMPANY LIMITED | Private company limited by shares | Dissolved |
| MICROSTAR INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| MICROSTART ASIA PACIFIC COMPANY LIMITED | Private company limited by shares | Live |
| MICRO-STATION LIMITED | Private company limited by shares | Dissolved |
| MICROSTEP LIMITED | Private company limited by shares | Live |
| MICROSTONE INVESTMENT & HOLDING LIMITED | Private company limited by shares | Live |
| MICROSYS COMPANY LIMITED | Private company limited by shares | Dissolved |
| MICROSYS LIMITED | Private company limited by shares | Dissolved |
| JP MICROSYSTEM LIMITED | Private company limited by shares | Dissolved |
| MG MICROSYSTEM LIMITED | Private company limited by shares | Live |
| YX Microsystem Limited | | Live |
| SANHO MICRO-SYSTEM DESIGN LIMITED | Private company limited by shares | Dissolved |
| MICRO-SYSTEM SERVICE CENTRE LIMITED | Private company limited by shares | Dissolved |
| SpiralX Microsystem Limited | | Live |
| T. S. MICROSYSTEMS LIMITED | Private company limited by shares | Live |
| LEO MICROSYSTEMS LIMITED | Private company limited by shares | Dissolved |
| WTC MICROSYSTEMS LIMITED | Private company limited by shares | Dissolved |
| PSi Microsystems Limited | Private company limited by shares | Dissolved |
| One Microsystems Limited | Private company limited by shares | Live |
| ELM Microsystems Limited | | Live |
| MCS MICROSYSTEMS ASIA LIMITED | Private company limited by shares | Live |
| DIGITAL MICROSYSTEMS (ASIA) LIMITED | Private company limited by shares | Dissolved |
| SUN MICROSYSTEMS OF CALIFORNIA LIMITED | Private company limited by shares | Live |
| SUN MICROSYSTEMS CHINA LIMITED | Private company limited by shares | Dissolved |
| C-NOVA MICROSYSTEMS LIMITED | Private company limited by shares | Live |
| ACUTI MICROSYSTEMS CO., LIMITED | Private company limited by shares | Dissolved |
| E-FLEX SMT MICROSYSTEMS CO., LIMITED | Private company limited by shares | Live |
| EAST TALENT MICROSYSTEMS LIMITED | Private company limited by shares | Dissolved |
| ECHELON MICROSYSTEMS LIMITED | Private company limited by shares | Dissolved |
| ELINT MICROSYSTEMS (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| FOUNTAIN MICROSYSTEMS LIMITED | Private company limited by shares | Dissolved |
| GALAXY MICROSYSTEMS LIMITED | Private company limited by shares | Live |
| INTECHWARE MICROSYSTEMS LIMITED | Private company limited by shares | Live |
| INTELLIGENT PRECISION MICRO-SYSTEMS LIMITED | Private company limited by shares | Live |
| KOLORIFIC MICROSYSTEMS COMPANY LIMITED | Private company limited by shares | Dissolved |
| PENNOCK MICROSYSTEMS (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| KONTEL MICROSYSTEMS LIMITED | Private company limited by shares | Live |
| LEICA MICROSYSTEMS LIMITED | Private company limited by shares | Live |
| LINHY MICROSYSTEMS LIMITED | | Live |
| NetLogic Microsystems Asia HK Limited | Private company limited by shares | Live |
| PALIT MICROSYSTEMS LIMITED | Private company limited by shares | Live |
| PERFECTSOFT MICROSYSTEMS LIMITED | Private company limited by shares | Live |
| PowerLayer Microsystems (Hong Kong) Limited | Private company limited by shares | Dissolved |
| RFID MICROSYSTEMS HONG KONG LIMITED | Private company limited by shares | Live |
| SHAOLIN MICROSYSTEMS LIMITED | Private company limited by shares | Live |
| ADVANCED MICROSYSTEMS TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| ANALOG MICROSYSTEMS TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| TRIDENT MICROSYSTEMS (ASIA) LIMITED | Private company limited by shares | Dissolved |
| Trident Microsystems (Hong Kong) Limited | Private company limited by shares | Live |