| AUSCO LIMITED | Private company limited by shares | Live |
| AUSCO CONSULTANCY LIMITED | Private company limited by shares | Live |
| AUSCO ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| AUSCO TRADING LIMITED | Private company limited by shares | Live |
| AusCom Limited | Private company limited by shares | Dissolved |
| AUSCON LIMITED | Private company limited by shares | Dissolved |
| AUSCON INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| AUSCONN TRADE CO., LIMITED | Private company limited by shares | Live |
| AUSCONOR International Group Co., Limited | | Live |
| AUSCOR CONSTRUCTIONS LIMITED | Private company limited by shares | Dissolved |
| AUSCOT LIMITED | Private company limited by shares | Dissolved |