| HECTO LIMITED | Private company limited by shares | Dissolved |
| HECTO GRAPHIC COMPANY LIMITED | Private company limited by shares | Live |
| HECTO EVENT PRODUCTION CO. LIMITED | Private company limited by shares | Live |
| HECTONIC LIMITED | Private company limited by shares | Dissolved |
| HECTOPOWER LIMITED | Private company limited by shares | Live |
| HECTOR LIMITED | Private company limited by shares | Live |
| HECTOR H.K. LIMITED | Private company limited by shares | Dissolved |
| HECTOR INDUSTRY LIMITED | Private company limited by shares | Live |
| HECTOR INTERNATIONAL LIMITED | Private company limited by shares | Live |
| HECTOR INVESTMENT LIMITED | Private company limited by shares | Live |
| HECTOR TRADING (HONGKONG) LIMITED | Private company limited by shares | Live |
| HECTOR H. T. WONG CONSULTANT LIMITED | Private company limited by shares | Dissolved |
| UK Hector Zeman International Limited | Private company limited by shares | Live |
| HECTORIAN LIMITED | Private company limited by shares | Dissolved |
| Hectoron Global Capital Management Limited | Private company limited by shares | Live |
| HECTORSS COMPANY LIMITED | Private company limited by shares | Dissolved |
| HECTORVILLE LIMITED | Private company limited by shares | Dissolved |