| ITRI ENVIRONNEMENT SOURCING CO., LIMITED | Private company limited by shares | Dissolved |
| ITRI VENTURES LIMITED | Private company limited by shares | Live |
| I-TRILLIONS LIMITED | Private company limited by shares | Live |
| iTrim Inc. Limited | Private company limited by shares | Live |
| ITRIUM CORPORATION LIMITED | Private company limited by shares | Live |
| ITRIUM INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| ITRIX COMPANY LIMITED | Private company limited by shares | Dissolved |
| ITRIX CHINA CO., LIMITED | Private company limited by shares | Live |