| NANOTEC LIMITED | Private company limited by shares | Live |
| NANOTECH LIMITED | Private company limited by shares | Dissolved |
| NANOTECH LIMITED | Private company limited by shares | Dissolved |
| NANOTECH LIMITED | Private company limited by shares | Dissolved |
| ACE NANOTECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| NANO-TECH HK COMPANY LIMITED | Private company limited by shares | Live |
| KMT Nanotech Limited | Private company limited by shares | Live |
| CGN NANOTECH LIMITED | Private company limited by shares | Live |
| Aglow Nanotech Co. Limited | Private company limited by shares | Live |
| FOGALE NANOTECH LIMITED | Private company limited by shares | Live |
| Semisland NanoTech Limited | | Live |
| DR. SPORENBERG NANOTECH LIMITED | Private company limited by shares | Live |
| CanaShield Nano-Technologies Limited | Private company limited by shares | Live |
| 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 |