| Medical Trading Company (MTC) Limited | | Live |
| MTC-CHINA LIMITED | Private company limited by shares | Dissolved |
| MTCGAME CO., LIMITED | Private company limited by shares | Live |
| MTCL LIMITED | Private company limited by shares | Dissolved |
| MTCOM INC. LIMITED | Private company limited by shares | Live |
| MT-CRAFT PRODUCTS LIMITED | Private company limited by shares | Live |
| MTCS Engineering Limited | | Live |
| MTCS SYSTEMS ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| Mettler-Toledo (HK) MTCS Limited | Private company limited by shares | Live |
| MTC-TECH SYSTEMS LIMITED | Private company limited by shares | Live |
| MTcure Technology Limited | Private company limited by shares | Live |
| Mettler-Toledo (HK) MTCZ Limited | Private company limited by shares | Live |