| CORETEAM LIMITED | Private company limited by shares | Live |
| CORETEAM LIMITED | Private company limited by shares | Live |
| Coretec electronics Limited | Private company limited by shares | Live |
| CORETECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| CORETECH LIMITED | Private company limited by shares | Dissolved |
| Coretech Limited | Private company limited by shares | Dissolved |
| CoreTech Integrated Limited | Private company limited by shares | Live |
| CORETECH INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CORETEK LIMITED | Private company limited by shares | Live |
| CORETEK TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| CORETEK ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| CORETEK ELECTRONICS LIMITED | Private company limited by shares | Live |
| CORETEK ENTERPRISE LIMITED | Private company limited by shares | Live |
| Coretek Group Limited | Private company limited by shares | Live |
| CORETEK INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| CORETEK INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| CoreTek Info Limited | Private company limited by shares | Live |
| CORETEK INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Coretek Semiconductor Co., Limited | Private company limited by shares | Live |
| CoreTex Limited | Private company limited by shares | Live |
| CORETEX ENTERPRISES LIMITED | Private company limited by shares | Live |
| Coretex Investments Limited | Private company limited by shares | Live |
| CORETEX TRADING LIMITED | Private company limited by shares | Live |
| CORETRACK LIMITED | Private company limited by shares | Live |
| CoreTrade Limited | Private company limited by shares | Live |
| CORETRADE TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| CoreType Limited | Private company limited by shares | Live |