| NANO LIMITED | Private company limited by shares | Dissolved |
| Nano T Limited | Private company limited by shares | Live |
| San Beauty (Nano) Company Limited | Private company limited by shares | Live |
| EASTERN NANO LIMITED | Private company limited by shares | Live |
| Nano Enterprises Limited | Private company limited by shares | Live |
| NANO MARK LIMITED | Private company limited by shares | Dissolved |
| NANO MEDI-HEALTH LIMITED | Private company limited by shares | Live |
| nano2u Limited | Private company limited by shares | Dissolved |
| NANO3 TECHNOLOGY SOLUTIONS AND TRADING LIMITED | Private company limited by shares | Live |
| NANO-A LIMITED | Private company limited by shares | Live |
| U.S. Nano-Antibacterial Research Co., Limited | Private company limited by shares | Live |
| Hong Kong Nanoapparatus Co., Limited | Private company limited by shares | Live |
| Nanoart Limited | Private company limited by shares | Live |
| NANOASIA LIMITED | Private company limited by shares | Dissolved |
| NanoBioImaging Limited | Private company limited by shares | Live |
| Nanobioinfo Limited | | Live |
| INNOVATION NANOBIOTECH R&D LIMITED | Private company limited by shares | Dissolved |
| Nanobit Online Limited | Private company limited by shares | Live |
| NanoBond Technology (Holding) Limited | Private company limited by shares | Dissolved |
| NANOBOOST LIMITED | Private company limited by shares | Live |
| NANOBRIGHT CO., LIMITED | Private company limited by shares | Live |
| (SDS) Nanocal Environmental Technology Limited | Private company limited by shares | Live |
| Nanocell Electronics Co., Limited | Private company limited by shares | Live |
| LIVEON NANOCEUTICAL LIMITED | Private company limited by shares | Live |
| NANOCHEM LIMITED | Private company limited by shares | Dissolved |
| NANOCHEM LIMITED | Private company limited by shares | Live |
| NanoCoat HK Limited | Private company limited by shares | Dissolved |
| NANOCOAT LIMITED | Private company limited by shares | Live |
| NANOCON LIMITED | Private company limited by shares | Dissolved |
| NANOCON LIMITED | Private company limited by shares | Live |
| NANOCON MANUFACTURER (HK) LIMITED | Private company limited by shares | Dissolved |
| NanoCred Technology Limited | | Live |
| NANOCROSS ENTERPRISE LIMITED | Private company limited by shares | Live |
| Guangzhou Magnetic Nanocrystal Co., Limited | Private company limited by shares | Live |
| Nano-D-fenz Limited | Private company limited by shares | Live |
| NANODOCKS TECHNOLOGY LIMITED | Private company limited by shares | Live |
| NANODUCK LIMITED | Private company limited by shares | Dissolved |
| COSINE NANOELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| NANOEXA LIMITED | Private company limited by shares | Dissolved |
| NANO-FABRIC COMPANY LIMITED | Private company limited by shares | Live |
| Nanofactory Technology Limited | Private company limited by shares | Live |
| NANOFANN COMPANY LIMITED | Private company limited by shares | Live |
| Keno Nanofiber Company Limited | | Live |
| Nanofics Limited | Private company limited by shares | Live |
| Nanofil Filtration Technology Limited | Private company limited by shares | Live |
| NanoFit Limited | Private company limited by shares | Live |
| Nanoflex Limited | Private company limited by shares | Live |
| NANOFLEX LIGHTING LIMITED | Private company limited by shares | Live |
| NANOFLOWX TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Hong Kong Nano-Gene Biotechnology Co Limited | Private company limited by shares | Live |
| NANOGENETICS LIMITED | Private company limited by shares | Live |
| Nanogic Laboratories Limited | Private company limited by shares | Live |
| NANOGRESS INDUSTRIAL GROUP CO., LIMITED | | Live |
| NanoGrid Limited | Private company limited by shares | Live |
| NANOHA CO LIMITED | Private company limited by shares | Live |
| NanoInsights-Tech (Hong Kong) Company Limited | | Live |
| NANOINVEST 2 LIMITED | Private company limited by shares | Live |
| NANO-ISPM LIMITED | Private company limited by shares | Live |
| NANO-K TECHNOLOGY DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| Nanok Services Limited | Private company limited by shares | Live |
| NANO-KARE COMPANY LIMITED | Private company limited by shares | Live |
| NANOLAB INTERNATIONAL LIMITED | Private company limited by shares | Live |
| nano-leading company Limited | | Live |
| NANOLEDS LIMITED | Private company limited by shares | Dissolved |
| Nanolution Limited | Private company limited by shares | Live |
| Nanoma Company Limited | Private company limited by shares | Live |
| Nanomacau Limited | | Live |
| NanoMall International Limited | Private company limited by shares | Dissolved |
| NANOMATIC LIMITED | Private company limited by shares | Live |
| Nanome Limited | Private company limited by shares | Live |
| ACE NanoMed Limited | | Live |
| Nanomesher Limited | Private company limited by shares | Live |
| Nanometallurgy Hong Kong Limited | Private company limited by shares | Live |
| GERMANY HERBAL NANOMETRE TECHNOLOGY (SHENZHEN) CO., LIMITED | Private company limited by shares | Live |
| HONGKONG SAIYUAN FAR INFRARED NANOMETRE TECHNOLOGY COOLPLUS LIMITED | Private company limited by shares | Live |
| NANO-METRE INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| NANO-METRE INDUSTRIAL LIMITED | Private company limited by shares | Live |
| NANOMONO COMPANY LIMITED | Private company limited by shares | Dissolved |
| NANOMUSCLE (ASIA) LIMITED | Private company limited by shares | Dissolved |
| NanoNado Limited | Private company limited by shares | Live |
| NANOOM LIMITED | Private company limited by shares | Live |
| NANOOM HOLDINGS CO., LIMITED | Private company limited by shares | Live |
| NANO-OPTICS COMPANY LIMITED | Private company limited by shares | Dissolved |
| Nanopep INC Limited | Private company limited by shares | Live |
| Nanopetro Company Limited | Private company limited by shares | Live |
| Nanopharma Limited | | Live |
| QI NANOPHOTONICS LIMITED | Private company limited by shares | Live |
| Nanoplas Asia Pacific Limited | Private company limited by shares | Live |
| Nanopool Limited | Private company limited by shares | Live |
| Nanopore Technologies Hong Kong Limited | Private company limited by shares | Live |
| NANOPRINT LIMITED | Private company limited by shares | Live |
| NanoPrint HK Limited | | Live |
| NANOPRO LIMITED | Private company limited by shares | Dissolved |
| NANOPRO GREEN TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HONGKONG NANOPROTECH LIMITED | Private company limited by shares | Live |
| NANOPROTECTPLUS LIMITED | Private company limited by shares | Live |
| NanoPV Technologies China Holding Limited | Private company limited by shares | Dissolved |
| NANOQ LIMITED | Private company limited by shares | Dissolved |
| NANOR ELECTRONICS (HK) LIMITED | Private company limited by shares | Dissolved |
| Nanorise Technology (HK) Co., Limited | Private company limited by shares | Live |