| MESTER LED LIMITED | Private company limited by shares | Live |
| Hong Kong Mester Trading Co., Limited | Private company limited by shares | Live |
| SHENZHEN MESTER OPTOELECTRONIC TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| MESTER COMMERCIAL SHIPPING LIMITED | Private company limited by shares | Live |
| Mester Trading Corporation Co., Limited | Private company limited by shares | Dissolved |
| Shanghai Mester Electronics Co., Limited | Private company limited by shares | Live |
| MESTER GROUP LIMITED | Private company limited by shares | Live |
| MESTER HARDWARE CO., LIMITED | Private company limited by shares | Live |
| HK MESTER IMPORT & EXPORT COMPANY LIMITED | Private company limited by shares | Dissolved |
| HK MESTER INDUSTRIAL GROUP LIMITED | Private company limited by shares | Dissolved |
| MESTER INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| HK MESTER LIGHTS LIMITED | | Live |