| Company Name | Type | Status |
|---|---|---|
| TOMIN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Tominaga Assets Limited | Private company limited by shares | Live |
| TOMINAGA (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| Tominco Corporation Limited | Private company limited by shares | Live |
| TOMINE MINERAL TECH CO., LIMITED | Private company limited by shares | Live |
| TOMING INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Live |
| TOMINI LIMITED | Private company limited by shares | Live |
| Tomino & Sons Limited | Live |