| Ecobelsa Trading (HK) Limited | Private company limited by shares | Live |
| ECOBENE LIMITED | | Live |
| Ecobenign Plastic Technology Limited | Private company limited by shares | Live |
| EcoBest Company Limited | Private company limited by shares | Live |
| SHENZHEN ECO-BETTER ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| ECOBIO TECHNOLOGY (CHINA) LIMITED | Private company limited by shares | Live |
| ECOBOBO LIMITED | Private company limited by shares | Dissolved |
| ECO-BOX LIMITED | Private company limited by shares | Live |
| ECOBRAND LIMITED | Private company limited by shares | Dissolved |
| Ecobrands (Hong Kong) Limited | Private company limited by shares | Live |
| EcoBricks Limited | Private company limited by shares | Live |
| ECOBRIDGE COMPANY LIMITED | Private company limited by shares | Live |
| EcoBro Commerce Co., Limited | Private company limited by shares | Live |
| HONDA ECO-BUILDING MATERIALS INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| ECOBUS LIMITED | Private company limited by shares | Live |
| ECOBUS CORPORATION LIMITED | Private company limited by shares | Live |
| Ecobus (Hong Kong) Environmental Foundation Limited | Company limited by guarantee | Live |
| Ecocables Electronics Co., Limited | Private company limited by shares | Live |
| ECOCAR IMPEX (HONGKONG) LIMITED | | Live |
| Carbonneutral Eco-Cement Investment Limited | Private company limited by shares | Dissolved |
| Eco-Cement Technology Limited | Private company limited by shares | Dissolved |
| Fortune Manor Eco-Cemetery Group Limited | Private company limited by shares | Live |
| ECOCENTA LIMITED | Private company limited by shares | Live |
| ECO-CENTRIX PTY LIMITED | Private company limited by shares | Live |
| Ecocept Creation Limited | Private company limited by shares | Live |
| L&H ECO-CHEMICALS LIMITED | Private company limited by shares | Live |
| PSI (Eco-City) Limited | Private company limited by shares | Live |
| Ecocity Investment Limited | Private company limited by shares | Live |
| Eco-Clouds Solutions Limited | | Live |
| EcoCoconut Limited | Private company limited by shares | Live |
| EcoCompany Asia Pacific Limited | Private company limited by shares | Live |
| Eco-Connect Limited | Private company limited by shares | Dissolved |
| CHINA FORESTRY ECO-CONSERVATION & PROPERTY MANAGEMENT CO., LIMITED | Private company limited by shares | Dissolved |
| NEANTHES ECO-CONSULTANT LIMITED | Private company limited by shares | Live |
| ECOCONSULTING LIMITED | Private company limited by shares | Live |
| eWASTE Eco-Consulting HK Limited | Private company limited by shares | Live |
| ECOCORE CO., LIMITED | Private company limited by shares | Live |
| ECOCORE OPTO-ELECTRONIC CO., LIMITED | Private company limited by shares | Live |
| ECOCORE INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| GRAND SUCCESS ROAD ECO-CREATIVE GROUP LIMITED | Private company limited by shares | Dissolved |
| ECOCTOURISM LIMITED | Private company limited by shares | Live |
| ECODA LIMITED | Private company limited by shares | Dissolved |
| ECODA INVESTMENT LIMITED | Private company limited by shares | Live |
| ST. ECODALL SCIENCE CO., LIMITED | Private company limited by shares | Live |
| ECODESI LIMITED | Private company limited by shares | Live |
| EcoDesign Planning (Hong Kong) Limited | Private company limited by shares | Dissolved |
| CHINA ECODESIGN RESEARCH INSTITUTE CO., LIMITED | Private company limited by shares | Dissolved |
| H&F Eco-Development Limited | Private company limited by shares | Live |
| EASTKINGDOM ECO-DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| TEAMS ECO-DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| ECO-DISCOVERER LIMITED | Company limited by guarantee | Dissolved |
| ECODIVERS (HK) LIMITED | Private company limited by shares | Dissolved |
| HK ECODOM TRADING LIMITED | Private company limited by shares | Live |
| EcoDrive Hong Kong Limited | Company limited by guarantee | Live |
| ECODROP LIMITED | Private company limited by shares | Live |
| ECODU LIMITED | Private company limited by shares | Live |
| Eco-duck Company Limited | | Live |
| ECODY LIMITED | Private company limited by shares | Live |
| ECODYE INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| Ecodynamic Lab Limited | | Live |
| ECOE BAMBOO LIMITED | Private company limited by shares | Live |
| ECOE HOLDING LIMITED | Private company limited by shares | Live |
| ECOE PLANTATION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| ECOE RENERGY LIMITED | Private company limited by shares | Live |
| Plante Eco-Earth Technologies Limited | Private company limited by shares | Live |
| EcoEasy Limited | Private company limited by shares | Live |
| ECO-ELEMENT LIMITED | Private company limited by shares | Live |
| ECOENERGY LIMITED | Private company limited by shares | Live |
| ECO-ENERGY ENTERPRISES CO., LIMITED | Private company limited by shares | Live |
| ECO-ENERGY GROUP LIMITED | Private company limited by shares | Dissolved |
| CREATIVE ECO-ENERGY INVESTMENT GROUP LIMITED | Private company limited by shares | Dissolved |
| RELIANT ECO-ENERGY LIMITED | Private company limited by shares | Dissolved |
| ECO-ENERGY SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| ECO-ENERGY TECH LIMITED | Private company limited by shares | Dissolved |
| EcoEnergy Tech Limited | | Live |
| Eco-Energy Technology Limited | Private company limited by shares | Live |
| Techno-Power Eco-Energy Company Limited | Private company limited by shares | Live |
| ECO-ENERGY TRADING LIMITED | Private company limited by shares | Live |
| CAPITAL ECO-ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| ECO-ENGINEERING ECON-ENERGY LIMITED | Private company limited by shares | Live |
| CHINESE ECO-ENVIRONMENTAL COLLEGE LIMITED | Private company limited by shares | Live |
| China Eco-Environmental Technology Group Co., Limited | Private company limited by shares | Live |
| KENG HOP ECO-ENVIRONMENTAL TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Eco-Equine Company Limited | Private company limited by shares | Dissolved |
| Ecoeslite Co., Limited | Private company limited by shares | Live |
| ECO-F LIMITED | Private company limited by shares | Live |
| SHENZHEN ECO-F CO., LIMITED | Private company limited by shares | Dissolved |
| ECOF SERVICE LIMITED | | Live |
| ECOFABS Limited | Private company limited by shares | Live |
| ECOFACETIME SKIN CARE LIMITED | Private company limited by shares | Live |
| ECOFACTORY (ASIA) LIMITED | Private company limited by shares | Live |
| Ecofair Limited | Private company limited by shares | Live |
| HONG KONG ECO-FARM LIMITED | Private company limited by shares | Dissolved |
| HONG KONG ECO-FARM RESTAURANT LIMITED | Private company limited by shares | Dissolved |
| HK SILVER RIVER ECO-FARMING LIMITED | Private company limited by shares | Dissolved |
| MTL Eco-farming Technology Limited | | Live |
| ECOFAST COMPANY LIMITED | Private company limited by shares | Live |
| ECOFEND (HONG KONG) CO., LIMITED | Private company limited by shares | Dissolved |
| ECOFEND (HONGKONG) TRADING CO., LIMITED | Private company limited by shares | Live |
| EcoFerroTrade Limited | | Live |