| HIRA ENTERPRISES COMPANY LIMITED | Private company limited by shares | Live |
| HIRAC ELECTRONICS TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| HIRAETH HOLDINGS LIMITED | | Live |
| HIRAETH STUDIO LIMITED | | Live |
| Hirafu Developments Limited | Private company limited by shares | Live |
| HIRAHARA AND COMPANY (H.K.) LIMITED | Private company limited by shares | Dissolved |
| MAC HIRAI LIMITED | Private company limited by shares | Dissolved |
| HK HIRAIN LIMITED | Private company limited by shares | Live |
| Hirakawa LIMITED | Private company limited by shares | Live |
| HIRAKI HONG KONG LIMITED | Private company limited by shares | Live |
| HIRAKU COMPANY LIMITED | Private company limited by shares | Dissolved |
| HIRAM LIMITED | Private company limited by shares | Live |
| HIRAMEKI LIMITED | Private company limited by shares | Live |
| HIRANA COMPANY LIMITED | Private company limited by shares | Dissolved |
| P. HIRANI LIMITED | Private company limited by shares | Live |
| HIRANK ASIA LIMITED | Private company limited by shares | Dissolved |
| HIRANK ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| HIRANK INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| HIRANO ELECTRIC (HONG KONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| HIRANO INDUSTRY COMPANY LIMITED | Private company limited by shares | Live |
| HIRANO INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI HIRANO INTERNATIONAL TRADING CORPORATION LIMITED | Private company limited by shares | Dissolved |
| HIRANO TRADING HONGKONG CO., LIMITED | Private company limited by shares | Live |
| HIRA'S LIMITED | Private company limited by shares | Dissolved |
| HIRASONS (HK) LIMITED | Private company limited by shares | Live |
| Hirata Catering Limited | Private company limited by shares | Live |
| HIRATA PRECISION PRODUCTS (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| HI-RATED LIMITED | Private company limited by shares | Dissolved |
| Hiraya Limited | | Live |
| Hiraya Shipping Co., Limited | | Live |
| HIRAYAMA HONG KONG LIMITED | Private company limited by shares | Dissolved |
| Hirayama Engineering (Hong Kong) Company Limited | Private company limited by shares | Live |
| HIRAYS INT'L TRADING CO., LIMITED | Private company limited by shares | Live |