| Company Name | Type | Status |
|---|---|---|
| HISHIYA SEIKO (CHINA) LIMITED | Private company limited by shares | Live |
| HISHIYA MACHINERY (H.K.) LIMITED | Private company limited by shares | Dissolved |
| HISHIYA (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| HISHIYA SEIKO INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| HISHIYAMA (H.K.) COMPANY LIMITED | Private company limited by shares | Dissolved |