| AUSEN GROUP (H.K.) LIMITED | Private company limited by shares | Live |
| AUSEN INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Ausen International Limited | | Live |
| AUSEN PNEU LIMITED | Private company limited by shares | Live |
| AUSEN TECH., LIMITED | Private company limited by shares | Live |
| AUSEN TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| AUSEN INTERNATIONAL TRADE CO., LIMITED | Private company limited by shares | Live |
| AUSEN TRADING CO., LIMITED | Private company limited by shares | Live |
| AUSENA LIMITED | Private company limited by shares | Dissolved |
| AUSENA INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Ausenco Projects Limited | Private company limited by shares | Live |
| AUSENTIC TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |