| Company Name | Type | Status |
|---|---|---|
| QUATRO ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| QUATRO ENTERPRISES LIMITED | Private company limited by shares | Live |
| QUATROGENIC LIMITED | Private company limited by shares | Dissolved |
| QUATROL INVESTMENT (ASIA) COMPANY LIMITED | Private company limited by shares | Dissolved |
| QUATRO-METRIC LIMITED | Private company limited by shares | Live |
| Quatron Electric Co., Limited | Private company limited by shares | Live |
| QUATROSTONE LIMITED | Private company limited by shares | Live |