| UNIMIN METALLURGICAL MATERIALS CO., LIMITED | Private company limited by shares | Dissolved |
| UNI-MIND LIMITED | Private company limited by shares | Dissolved |
| UNI-MIND LIMITED | Private company limited by shares | Live |
| Unimind International Jewelry Co., Limited | Private company limited by shares | Live |
| UNIMIND INVESTMENT LIMITED | Private company limited by shares | Live |
| UNI-MIND TRADE COMPANY LIMITED | Private company limited by shares | Live |
| UNIMINERALS TRADING CO., LIMITED | | Live |
| Unimines Limited | Private company limited by shares | Dissolved |
| UNIMINT CO., LIMITED | Private company limited by shares | Live |