| HOSU LIMITED | Private company limited by shares | Live |
| HOSUKU HK LIMITED | Private company limited by shares | Live |
| HOSULAI LIMITED | Private company limited by shares | Live |
| Hosumer Education Limited | Private company limited by shares | Live |
| HOSUNG TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| HOSUNG TRADING CO., LIMITED | Private company limited by shares | Live |
| HOSUNG COOPERATION LIMITED | Private company limited by shares | Live |
| HOSUNG H.K. LIMITED | Private company limited by shares | Dissolved |
| HOSUNG (HK) LIMITED | | Live |
| HOSUNG TECH (H.K.) LIMITED | Private company limited by shares | Live |
| Hosung Investment Holdings (HK) Co., Limited | Private company limited by shares | Live |
| HOSUNG INDUSTRIES LIMITED | Private company limited by shares | Live |
| HOSUNG SILVERSTONE CO., LIMITED | Private company limited by shares | Live |