| Company Name | Type | Status |
|---|---|---|
| ECO-TEK COMPANY LIMITED | Private company limited by shares | Live |
| MW ECOTEK LIMITED | Private company limited by shares | Live |
| Ecotek Investment Co., Limited | Private company limited by shares | Dissolved |
| ECOTEK MULTIMEDIA LIMITED | Private company limited by shares | Live |
| ECOTEK TECHNOLOGY LIMITED | Private company limited by shares | Live |