| NANOTECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| ATEC NANOTECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| FH Nanotechnology Co., Limited | | Live |
| EASTON NANOTECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Global Nanotechnology Limited | Private company limited by shares | Live |
| NANOTECHNOLOGY GROUP LIMITED | Private company limited by shares | Dissolved |
| PHARMAHEALTH NANOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| Okeanos Nanotechnology Solution Limited | | Live |
| TIO2 NANOTECHNOLOGY LIMITED | Private company limited by shares | Dissolved |