| I-SOL LIMITED | Private company limited by shares | Dissolved |
| I-SOL LIMITED | Private company limited by shares | Live |
| ISOLA LIMITED | Private company limited by shares | Dissolved |
| ISOLA Limited | Private company limited by shares | Live |
| SHENZHEN ISOLAB POWER LIMITED | Private company limited by shares | Dissolved |
| ISOLANTE (CHINA) INVESTMENT CO., LIMITED | | Live |
| The Isolate Company Limited | | Live |
| ISOLDE LIMITED | Private company limited by shares | Dissolved |
| ISOLIS LIMITED | Private company limited by shares | Dissolved |
| ISOLITE LIMITED | Private company limited by shares | Dissolved |
| ISOLO TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| ISOLTA LIMITED | Private company limited by shares | Dissolved |
| iSolution Limited | Private company limited by shares | Live |
| I-SOLUTION ASIA LIMITED | Private company limited by shares | Live |
| ISOLUTION NETWORKS COMPANY LIMITED | Private company limited by shares | Dissolved |
| I-SOLUTION SYSTEM LIMITED | Private company limited by shares | Live |
| ISOLUTIONS LIMITED | Private company limited by shares | Dissolved |
| OPS I-SOLUTIONS LIMITED | Private company limited by shares | Dissolved |
| iSolve Company Limited | Private company limited by shares | Live |