| Company Name | Type | Status |
|---|---|---|
| STYRENE LIMITED | Private company limited by shares | Live |
| STYRIA COMPANY LIMITED | Private company limited by shares | Dissolved |
| STYROC LIMITED | Private company limited by shares | Live |
| STYROCON INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| STYRON ASIA LIMITED | Private company limited by shares | Dissolved |
| OCEAN STYROPOR PRODUCTS LIMITED | Private company limited by shares | Dissolved |