| ELSON LIMITED | Private company limited by shares | Dissolved |
| ELSON LLC LIMITED | Private company limited by shares | Live |
| ELSON LIMITED | Private company limited by shares | Live |
| Elson Air-conditioning Service Company Limited | | Live |
| ELSON TRADE CO., LIMITED | Private company limited by shares | Live |
| Elson Wong Interion Design Limited | Private company limited by shares | Live |
| ELSON DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| ELSON ELECTRIC CO. LIMITED | Private company limited by shares | Live |
| ELSON DESIGN & ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| ELSON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| ELSON ELECTRONIC SYSTEM GROUP CO., LIMITED | Private company limited by shares | Dissolved |
| ELSON HING TAT LIMITED | Private company limited by shares | Dissolved |
| ELSON SHIPPING (HK) CO., LIMITED | Private company limited by shares | Live |
| ELSON (HOLDINGS) LIMITED | Private company limited by shares | Dissolved |
| ELSON BAG HONG KONG COMPANY LIMITED | Private company limited by shares | Dissolved |
| Elson electric (Hongkong) Co., Limited | Private company limited by shares | Live |
| ELSON INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| ELSON INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| ELSON INTERNATIONAL LIMITED | Private company limited by shares | Live |
| ELSON INTERNATIONAL PETROCHEMICAL GROUP LIMITED | Private company limited by shares | Live |
| ELSON INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| ELSON KNITTING FACTORY LIMITED | Private company limited by shares | Dissolved |
| ELSON PHARMA LIMITED | Private company limited by shares | Live |
| ELSON RESOURCES LIMITED | Private company limited by shares | Live |
| ELSON EDUCATIONAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| ELSON TRADING LIMITED | Private company limited by shares | Dissolved |
| ELSON TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| ELSONA GROUP COMPANY LIMITED | Private company limited by shares | Dissolved |