| FUKUI (HK) CO., LIMITED | Private company limited by shares | Live |
| HONG KONG FUKUI CO., LIMITED | Private company limited by shares | Dissolved |
| FUKUI INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| FUKUI INVESTMENTS LIMITED | Private company limited by shares | Live |
| FUKUI OPTICAL TECHNOLOGY (HK) COMPANY LIMITED | Private company limited by shares | Live |
| FUKUI SHELL NUCLEUS FACTORY LIMITED | Private company limited by shares | Live |
| Fukui Technology Co., Limited | Private company limited by shares | Live |
| FUKUI TRADING (H.K.) COMPANY LIMITED | Private company limited by shares | Dissolved |
| FUKUI INTERNATIONAL TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| FUKUIYA TRADING (HK) LIMITED | Private company limited by shares | Dissolved |
| FUKUIZUMI HONG KONG LIMITED | Private company limited by shares | Live |