| Company Name | Type | Status |
|---|---|---|
| SUPERGRADE (HK) LIMITED | Private company limited by shares | Live |
| SUPERGRADE INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| Supergrade International Industries Co., Limited | Private company limited by shares | Live |
| SUPERGRADE INTERNATIONAL ENTERPRISE LIMITED | Private company limited by shares | Live |
| Supergrade International Holding Company Limited | Private company limited by shares | Live |
| SUPERGRADE INVESTMENT LIMITED | Private company limited by shares | Live |