| SAFETY E.R.O LIMITED | Private company limited by shares | Live |
| EROAD HK LIMITED | Private company limited by shares | Live |
| EROADA LIMITED | Private company limited by shares | Live |
| ERoar Limited | | Live |
| EROC LIMITED | Private company limited by shares | Live |
| eRocket Limited | Private company limited by shares | Live |
| E-Rockic Technology Company Limited | Private company limited by shares | Live |
| Erockwin Industrial Limited | Private company limited by shares | Live |
| Shenzhen Eroco Technology Limited | Private company limited by shares | Live |
| EROCOME LIMITED | Private company limited by shares | Live |
| ERODA (HK) AUTOMOTIVE ELECTRONICS LIMITED | Private company limited by shares | Live |
| ERODEM COPPER (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| ERODITUS LIMITED | Private company limited by shares | Live |
| ERODOS LIMITED | Private company limited by shares | Dissolved |
| EROFA COMPANY LIMITED | Private company limited by shares | Dissolved |
| Eroica Limited | Private company limited by shares | Live |
| EROL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| E'ROM COMPANY LIMITED | Private company limited by shares | Live |
| E'ROM Studio Limited | Private company limited by shares | Live |
| EROMANGA OPAL (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| EROMAY LIMITED | Private company limited by shares | Dissolved |
| eromnet Hong Kong Limited | | Live |
| ERON LIMITED | Private company limited by shares | Live |
| ERONDA ENTERTAINMENT LIMITED | | Live |
| ERONDE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| E-RONG BAGS & ACCESSORIES LIMITED | Private company limited by shares | Live |
| Erong Engineering Technology Co., Limited | Private company limited by shares | Live |
| ERONG IMPORT & EXPORT CO. LIMITED | Private company limited by shares | Live |
| ERONG INFO (HK) LIMITED | Private company limited by shares | Live |
| E-RONG INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| EROPORT LIMITED | Private company limited by shares | Dissolved |
| EROS COMPANY LIMITED | Private company limited by shares | Dissolved |
| Eros Company Limited | | Live |
| Erose Limited | Private company limited by shares | Live |
| Erostech Limited | Private company limited by shares | Live |
| EROSTOYS.NET LIMITED | | Live |
| EROTRADE COMPANY LIMITED | Private company limited by shares | Dissolved |
| Erounsoft HK Limited | | Live |
| E.ROUTE TECHNOLOGY HOLDING LIMITED | Private company limited by shares | Dissolved |
| EROWA TECHNOLOGY (HONG KONG) LIMITED | Private company limited by shares | Live |
| EROWTEC LIMITED | Private company limited by shares | Live |
| EROZA LIMITED | Private company limited by shares | Live |