| JUSTEARN DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| JUSTEASY TECHNOLOGIES CO., LIMITED | Private company limited by shares | Live |
| Justech Ecommerce Limited | Private company limited by shares | Live |
| JUSTECH ELECTRONICS LIMITED | Private company limited by shares | Live |
| Justech Precision Industry Co., Limited | Private company limited by shares | Live |
| Justech Network Limited | Private company limited by shares | Live |
| JUSTEN HOLDING LIMITED | Private company limited by shares | Live |
| Justen & V-master Holding Limited | Private company limited by shares | Dissolved |
| JUSTEN CENTRE MANAGEMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| Justen Trading Co., Limited | Private company limited by shares | Live |
| JUSTENER TRADE LIMITED | Private company limited by shares | Live |
| JUSTEN-MARKS INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| JUSTEN-MARKS MANUFACTURING LIMITED | Private company limited by shares | Dissolved |
| Justero Corporation Limited | Private company limited by shares | Live |
| JUSTEX LIMITED | Private company limited by shares | Dissolved |
| JUSTEX LIMITED | Private company limited by shares | Live |