| NTCN COMPANY LIMITED | Private company limited by shares | Dissolved |
| NTCN CAPITAL CO., LIMITED | Private company limited by shares | Dissolved |
| NTCN INTERNATIONAL CO., LIMITED | Private company limited by shares | Dissolved |
| NTCN INVESTMENT CO., LIMITED | Private company limited by shares | Dissolved |
| NTCN CONSULTING CO., LIMITED | Private company limited by shares | Dissolved |
| NTCN INDUSTRIAL CO., LIMITED | Private company limited by shares | Dissolved |
| NTCN MANAGEMENT CO., LIMITED | Private company limited by shares | Dissolved |
| NTCN TECHNOLOGIES CO., LIMITED | Private company limited by shares | Dissolved |
| NTCN TRADING CO., LIMITED | Private company limited by shares | Dissolved |