| Company Name | Type | Status |
|---|---|---|
| KATSUYAMA PRECISION CO., LIMITED | Private company limited by shares | Live |
| KATSUYAMA HONG KONG CO., LIMITED | Private company limited by shares | Dissolved |
| KATSUYAMA SHIPPING LIMITED | Private company limited by shares | Live |
| KATSUYAMA TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |