| Company Name | Type | Status |
|---|---|---|
| M.D.S. ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| MDSIX Corporation Limited | Private company limited by shares | Live |
| HONG KONG MDSJ BIOLOGICAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| MDSK LIMITED | Private company limited by shares | Live |
| MDSLinx Limited | Private company limited by shares | Live |
| MDSON ELECTRONIC (HONG KONG) CO., LIMITED | Private company limited by shares | Dissolved |