| Company Name | Type | Status |
|---|---|---|
| FUSIONSILICON LIMITED | Private company limited by shares | Live |
| Fusionsky Technology Limited | Live | |
| Fusionstep Limited | Private company limited by shares | Live |
| Fusion-tech Limited | Private company limited by shares | Live |
| FUSIT (HONGKONG) COMPANY LIMITED | Private company limited by shares | Dissolved |