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| ECOLAB LIMITED | Private company limited by shares | Live |
| Ecolab HK 1 Limited | Private company limited by shares | Live |
| Ecolab HK 2 Limited | Private company limited by shares | Live |
| Ecolamp Opto-Electronic Co., Limited | Private company limited by shares | Live |
| ECOLAMP LIGHTING LIMITED | Private company limited by shares | Live |
| ECO-LAMPS LIMITED | Private company limited by shares | Live |
| ECOLAND LIMITED | Private company limited by shares | Live |
| Ecoland ITC Limited | Private company limited by shares | Live |
| ECOLANDER LIMITED | Private company limited by shares | Live |
| Ecolast Lab Limited | Private company limited by shares | Live |
| ECOLAST LAB LIMITED | Private company limited by shares | Live |
| ECOLAT UNITED LIMITED | Private company limited by shares | Live |