| Company Name | Type | Status |
|---|---|---|
| FILLSMART LIMITED | Private company limited by shares | Live |
| FILLSON ENTERPRISES LIMITED | Private company limited by shares | Live |
| FILLSON INVESTMENT LIMITED | Private company limited by shares | Live |
| FILLSTRONG INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| FILL-SUN TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Live |