| E-CORE AUDIO LIMITED | Private company limited by shares | Dissolved |
| Ecore (HK) Integrated Circuit Co., Limited | Private company limited by shares | Live |
| E-CORE COMPONENT CO., LIMITED | Private company limited by shares | Live |
| ECORE ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| ECORE MICRO ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| E-CORE ELECTRONICS INDUSTRY (HK) LIMITED | Private company limited by shares | Dissolved |
| ECORE GLOBAL TECHNOLOGY (HONGKONG) COMPANY LIMITED | Private company limited by shares | Live |
| GRAND ECORE COMPANY LIMITED | Private company limited by shares | Dissolved |
| E-CORE (HK) LIMITED | Private company limited by shares | Live |
| ECORE ELECTRIC (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| HONG KONG ECORE TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| ECORE PACKING CO., LIMITED | Private company limited by shares | Live |
| E-CORE TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| Ecore Technology Co., Limited | Private company limited by shares | Live |
| ECORE TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Live |
| Ecore Trade Limited | Private company limited by shares | Live |
| ECO-RECYCLE HOLDING LIMITED | Private company limited by shares | Live |
| EcoRenew Limited | Private company limited by shares | Dissolved |
| ECORESEARCH LIMITED | Private company limited by shares | Live |
| EcoResort Investments Limited | Private company limited by shares | Live |
| ECORESORTS LIMITED | Private company limited by shares | Live |
| Eco-Resource Supplies Limited | Private company limited by shares | Live |