| 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 |
| Microtang Limited | Private company limited by shares | Live |
| MICROTANG ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| MICROTEC LIMITED | Private company limited by shares | Dissolved |
| MICROTEC LIMITED | Private company limited by shares | Dissolved |
| MICROTECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| IR MICROTECH LIMITED | Private company limited by shares | Live |
| G.S Micro-Tech Limited | Private company limited by shares | Live |
| MICROTECH LIMITED | Private company limited by shares | Live |
| MICROTECH INC LIMITED | Private company limited by shares | Live |
| MICROTECH (ASIA) LIMITED | Private company limited by shares | Live |
| MICROTECH COMPONENTS LIMITED | Private company limited by shares | Live |
| MICRO-TECH ENTERPRISES LIMITED | Private company limited by shares | Live |
| MICROTECH INNOVATION LIMITED | Private company limited by shares | Live |
| MICROTECH RESOURCES LIMITED | Private company limited by shares | Live |
| MICROTECH SYSTEM LIMITED | Private company limited by shares | Dissolved |
| MICROTECH SYSTEM LIMITED | Private company limited by shares | Dissolved |
| MICROTECH SYSTEMS LIMITED | Private company limited by shares | Live |
| MICROTECH WEALTH LIMITED | | Live |
| MICROTECHNE HORLOGERIE CORPORATION LIMITED | Private company limited by shares | Live |
| MICROTECHNE RESEARCH & DEVELOPMENT CENTER LIMITED | Private company limited by shares | Live |
| MICROTECHNE IP HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| MICROTECHNIC LIMITED | Private company limited by shares | Live |
| CST MICROTECHNOLOGY LIMITED | Private company limited by shares | Live |
| Microtech-Solutions Limited | Private company limited by shares | Live |
| MICROTEK LIMITED | Private company limited by shares | Dissolved |
| KINTRON MICROTEK LIMITED | Private company limited by shares | Dissolved |
| WISE MICROTEK CO., LIMITED | Private company limited by shares | Live |
| MICROTEL LIMITED | Private company limited by shares | Dissolved |
| MICROTEL LIMITED | Private company limited by shares | Live |
| Microtel System Co., Limited | Private company limited by shares | Live |
| MICROTEL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| MICROTEL TRADING LIMITED | Private company limited by shares | Dissolved |
| MICROTEST (HONGKONG) AUTOMATION LIMITED | Private company limited by shares | Live |
| MICROTEST INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| MICRO-TEST (HK) LIMITED | Private company limited by shares | Live |
| MICROTEST SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| MICROTEST TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| MICROTEX LIMITED | Private company limited by shares | Live |
| MICROTHERM FAR EAST LIMITED | Private company limited by shares | Dissolved |
| Microtivity Electronics Limited | Private company limited by shares | Live |
| MICROTOUCH SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| MICROTRACK INCORPORATION LIMITED | Private company limited by shares | Live |
| MICROTRAIN LIMITED | Private company limited by shares | Dissolved |
| MICROTRANS TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| MICROTREND LIMITED | Private company limited by shares | Live |
| MICROTRI LIMITED | Private company limited by shares | Live |
| MICROTRON LIMITED | Private company limited by shares | Live |
| ADVANCED MICROTRON COMPANY LIMITED | Private company limited by shares | Dissolved |
| Microtron-HK Limited | Private company limited by shares | Live |
| SMC MICROTRONIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| MICROTRONIC ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| MICROTRONIC SECURITY SYSTEMS LIMITED | Private company limited by shares | Live |
| AMS MICROTRONICS LIMITED | Private company limited by shares | Live |
| INTEGRATED MICROTRONICS LIMITED | Private company limited by shares | Dissolved |
| MICROTUN LIMITED | Private company limited by shares | Live |
| MICROVEDA LIMITED | Private company limited by shares | Dissolved |
| Microverse Electronic Limited | | Live |
| MICROVERT LIMITED | Private company limited by shares | Dissolved |
| MICROVERT LIMITED | Private company limited by shares | Dissolved |
| MICROVIEW HK LIMITED | Private company limited by shares | Dissolved |
| MICROVISA LIMITED | Private company limited by shares | Live |
| MICROVISION LIMITED | Private company limited by shares | Live |
| MicroVision HK Limited | Private company limited by shares | Live |
| MICROVOICE APPLICATIONS HONG KONG LIMITED | Private company limited by shares | Dissolved |
| MICROWALL CO., LIMITED | Private company limited by shares | Live |