| Company Name | Type | Status |
|---|---|---|
| WEST-HOUSE LIMITED | Private company limited by shares | Live |
| WESTHOUSE ASIA LIMITED | Private company limited by shares | Live |
| WESTHOUSE UNIVERSAL CO., LIMITED | Private company limited by shares | Live |
| WESTHOUSE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| WESTHOUSE TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |