| NITRON LIMITED | Private company limited by shares | Dissolved |
| NITRON LIMITED | Private company limited by shares | Dissolved |
| NITRON LIMITED | | Live |
| NITRON DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| NITRON INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| NITRON INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| NITRON INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| NITRON INTERNATIONAL (HK) LIMITED | Private company limited by shares | Live |
| NITRON INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Nitronic Works Company Limited | Private company limited by shares | Live |
| NITRONICS ENTERPRISES LIMITED | Private company limited by shares | Live |
| NITRONIX CO., LIMITED | Private company limited by shares | Live |