| HOSOK NETWORK TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HOSOKAWA ASIA LIMITED | Private company limited by shares | Live |
| HOSOKAWA AJIA BUSSAN LIMITED | Private company limited by shares | Dissolved |
| HOSOKAWA CO., LIMITED | Private company limited by shares | Dissolved |
| KOREA PACIFIC OCEAN COSMECEUTICAL HOSOKAWA LIMITED | Private company limited by shares | Live |
| HOSOKAWA ASIA TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| HOSOKAWA YOKO (H.K.) LIMITED | Private company limited by shares | Live |