| Company Name | Type | Status |
|---|---|---|
| HIAC Group Co., Limited | Private company limited by shares | Live |
| HIAC TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HIACE LIMITED | Private company limited by shares | Dissolved |
| HIACE COMPANY LIMITED | Private company limited by shares | Dissolved |
| HIACE LIMITED | Private company limited by shares | Dissolved |
| Hiaces Trade Company Limited | Private company limited by shares | Live |
| HIACHIEVE LIMITED | Private company limited by shares | Live |