| Company Name | Type | Status |
|---|---|---|
| HIGHTON LIMITED | Private company limited by shares | Dissolved |
| HIGHTON LIMITED | Private company limited by shares | Live |
| HIGHTON INVESTMENT LIMITED | Private company limited by shares | Live |
| HIGHTONE PUBLISHING LIMITED | Private company limited by shares | Live |
| High-Toned Opto Technology (Hong Kong) Limited | Private company limited by shares | Live |