| E.TT LIMITED | Private company limited by shares | Dissolved |
| ETTA LIMITED | Private company limited by shares | Dissolved |
| ETTA LIMITED | Private company limited by shares | Live |
| ETTA LIMITED | | Live |
| ETTA PLASTIC HK CO., LIMITED | Private company limited by shares | Live |
| ETTA TRADING COMPANY, LIMITED | Private company limited by shares | Live |
| ETTAL LIMITED | Private company limited by shares | Dissolved |
| ETTALONG ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| ETTAMSA LIMITED | Private company limited by shares | Dissolved |
| ETTC COMPANY LIMITED | Private company limited by shares | Live |
| ETTE ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| HONG KONG ET_TECH CO., LIMITED | Private company limited by shares | Live |
| ETTECH TECHNOLOGIES COMPANY LIMITED | Private company limited by shares | Live |
| ETTEHAD MOTOR CO., LIMITED | Private company limited by shares | Live |
| ETTER INTERNATIONAL INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| ETTERION Limited | | Live |
| Etterna Consulting Limited | | Live |
| ETTES POWER MACHINERY COMPANY LIMITED | Private company limited by shares | Live |
| ETTIE ZING LIMITED | Private company limited by shares | Dissolved |
| E.T.T.N. CONSULTANCY LIMITED | Private company limited by shares | Dissolved |
| ETTO HK LIMITED | Private company limited by shares | Live |
| HK ETTREND LIMITED | Private company limited by shares | Live |
| ETtrends Limited | Private company limited by shares | Live |
| ETTRICK COMPANY LIMITED | Private company limited by shares | Dissolved |
| Ettron Technology Limited | Private company limited by shares | Live |