| ZEMA CORPORATION LIMITED | Private company limited by shares | Dissolved |
| ZEMA (HK) LIMITED | Private company limited by shares | Live Commenced dormancy on 14-May-2007 |
| Zema Vision Limited | Private company limited by shares | Live |
| ZEMAC CO., LIMITED | Private company limited by shares | Dissolved |
| ZEMAC ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| HK ZEMAIER INTERNATIONAL TRADE LIMITED | | Live |
| ZEMAN DISPLAY ART LIMITED | Private company limited by shares | Live |
| Park Zeman Chase Human Management Limited | | Live |
| ZEMAX TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |