| Hois Limited | | Live |
| HOISHAN LIMITED | | Live |
| HOISHI ENGINEERING LIMITED | | Live |
| HOISHINE INT'L DECORATION PROJECT (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| HOISHINGXIN TRADING LIMITED | Private company limited by shares | Live |
| USA HOISIHOIYI BIO-MEDICALS COMPANY (H.K.) LIMITED | Private company limited by shares | Dissolved |
| HOISINGTON LIMITED | Private company limited by shares | Dissolved |
| HOIST COMPANY LIMITED | Private company limited by shares | Live |
| SUN HOIST LIMITED | Private company limited by shares | Dissolved |
| SUN HOIST LIMITED | Private company limited by shares | Live |
| AVRO HOIST CO LIMITED | Private company limited by shares | Dissolved |
| HOIST POWER COMPANY LIMITED | Private company limited by shares | Live |
| CHINA HOIST TRADING (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| HOISTEC COMPANY LIMITED | Private company limited by shares | Live |
| HOISTER LIMITED | Private company limited by shares | Live |
| Hoisting Company Limited | Private company limited by shares | Live |
| HOISUN ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| NEW HOISUN INTERNATIONAL (HONGKONG) LIMITED | Private company limited by shares | Live |
| Hoisy International Trading Co., Limited | Private company limited by shares | Live |