| Company Name | Type | Status |
|---|---|---|
| Kojima Limited | Live | |
| KOJIMA HEALTHCARE ASIA LIMITED | Private company limited by shares | Live |
| Kojima Kitchen Limited | Private company limited by shares | Live |
| KOJIMA-ALPHA LIMITED | Private company limited by shares | Dissolved |
| Kojimach Limited | Live | |
| Kojimachi Dojo Company Limited | Private company limited by shares | Live |