| Company Name | Type | Status |
|---|---|---|
| IESEM CO. LIMITED | Private company limited by shares | Dissolved |
| IESG Technologies Limited | Live | |
| iESLab International Co., Limited | Private company limited by shares | Live |
| IESO TECHNOLOGY LIMITED | Private company limited by shares | Live |
| IES-Rudert (Asia) Limited | Private company limited by shares | Live |