| I-ENERGY LIMITED | Private company limited by shares | Dissolved |
| Creative i-Energy System Company Limited | Private company limited by shares | Live |
| IENET LIMITED | Private company limited by shares | Dissolved |
| IENET.NET LIMITED | Private company limited by shares | Dissolved |
| Iengine Information Technology (HK) Limited | Private company limited by shares | Live |
| I-ENGINE.COM LIMITED | Private company limited by shares | Dissolved |
| i-Engine.com Limited | Private company limited by shares | Live |
| IENGINES LIMITED | Private company limited by shares | Dissolved |
| Top iEnglish Technology HK Limited | | Live |
| iEnglish.com Limited | Private company limited by shares | Live |
| HK IENJOY ELECTRONICS LIMITED | Private company limited by shares | Live |
| iEnrichment Limited | Private company limited by shares | Live |
| IENRICHMENT HK LIMITED | | Live |
| IENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| IENUNG COMPANY LIMITED | Private company limited by shares | Dissolved |