| Company Name | Type | Status |
|---|---|---|
| CLEANTEC MARITIME LIMITED | Private company limited by shares | Live |
| CLEANTEC TRADE LIMITED | Private company limited by shares | Dissolved |
| IGC CLEANTECH LIMITED | Private company limited by shares | Live |
| AA CLEANTECH LIMITED | Live | |
| DL CLEANTECH HK COMPANY LIMITED | Live | |
| Hua Tai Cleantech Co. Limited | Live | |
| Cleantech Capital Limited | Private company limited by shares | Live |
| TUNG'S CLEANTECH INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |