| Company Name | Type | Status |
|---|---|---|
| WESTLAKE LIMITED | Private company limited by shares | Dissolved |
| Westlake Limited | Private company limited by shares | Live |
| Westlake Capital Limited | Private company limited by shares | Live |
| WESTLAKE ENTERPRISES COMPANY LIMITED | Private company limited by shares | Dissolved |
| Westlake Investments Limited | Private company limited by shares | Live |
| Westlake Solutions Limited | Private company limited by shares | Live |