| Company Name | Type | Status |
|---|---|---|
| COATEC INNOVATION LIMITED | Private company limited by shares | Dissolved |
| COATECH LIMITED | Private company limited by shares | Live |
| Coatech Co., Limited | Private company limited by shares | Live |
| COATECH INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| OPTIMAL COATECH CORPORATION LIMITED | Private company limited by shares | Dissolved |