| WESTMA LIMITED | Private company limited by shares | Live |
| WESTMAC (HK) LIMITED | Private company limited by shares | Live |
| WESTMAIN LIMITED | Private company limited by shares | Dissolved |
| WESTMAIN FAR EAST LIMITED | Private company limited by shares | Dissolved |
| WESTMAIN PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| WESTMAN LIMITED | Private company limited by shares | Dissolved |
| WESTMAN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| WESTMAR INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| WESTMARK LIMITED | Private company limited by shares | Live |
| WESTMARK CAPITAL LIMITED | Private company limited by shares | Live |
| WESTMARK ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| WESTMART LIMITED | Private company limited by shares | Live |
| WESTMATE LIMITED | Private company limited by shares | Dissolved |
| WESTMAX LIMITED | Private company limited by shares | Live |
| WESTMAX CORP. PTY LIMITED | Private company limited by shares | Dissolved |
| WESTMAX ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| WESTMAX INVESTMENTS LIMITED | Private company limited by shares | Dissolved |