| WAA COENG LIMITED | Private company limited by shares | Live |
| KEI COENG LIMITED | | Live |
| Coeng Tec Co., Limited | | Live |
| GAM SING COENG (HONGKONG) INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Live |
| Juk Coeng Holding Company Limited | Private company limited by shares | Live |
| TIN LUNG COENG COMPANY LIMITED | Private company limited by shares | Live |
| MING COENG TRADING COMPANY LIMITED | Private company limited by shares | Live |
| COENGIN EXPERTISE LIMITED | Private company limited by shares | Live |
| Coengine Limited | | Live |
| Win Coengl Sun Industrial Development Co., Limited | Private company limited by shares | Dissolved |