| Company Name | Type | Status |
|---|---|---|
| USING COMPANY LIMITED | Private company limited by shares | Live |
| USING FASHION COMPANY LIMITED | Private company limited by shares | Dissolved |
| HONG KONG USING CO., LIMITED | Private company limited by shares | Dissolved |
| U-SING INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| STOP USING PLASTIC LIMITED | Company limited by guarantee | Live |
| USING TRADING AND INVESTMENTS COMPANY LIMITED | Private company limited by shares | Dissolved |