| NIITEK 1471319 · TMA906878 | Chemring Sensors and Electronic Systems, Inc. | 42 Science | Registered | 2015 |
| NIITEK 1471318 · TMA931885 | Chemring Sensors and Electronic Systems, Inc. | 9 Electronics37 Construction41 Education | Registered | 2016 |
| NUTEK 1882785 · TMA1133552 | North American Marketing Inc. | 6 Metal7 Machines9 Electronics+7 | Registered | 2022 |
| NIDEK 1388580 · TMA753485 · design | NIDEK CO., LTD. | 5 Pharmaceuticals7 Machines9 Electronics+2 | Registered | 2009 |
| NUTEK 0864112 · TMA505511 | ABB Asea Brown Boveri Ltd. | 9 Electronics | Registered | 1998 |
| NITEX 0594524 · TMA344828 | Sefar America Inc. | 24 Textiles | Registered | 1988 |
| NEWTEK 2321186 | Owner not listed | 12 Vehicles | Pending | 2024 |
| NIDEK 2251469 | NIDEK CO., LTD. | 7 Machines9 Electronics10 Medical | Pending | 2023 |
| NEOTECK 1874737 · TMA1066978 · design | Neoteck Technology Limited | 9 Electronics | Registered | 2019 |
| NITTOKU 1385289 · TMA755456 | Nippon Tokushu Fabric Co. Ltd. | 24 Textiles | Registered | 2009 |
| NOAHTEC 2354277 | Owner not listed | 9 Electronics | Pending | 2024 |
| NITTAKU 2210052 · design | Nippon Takkyu Co. Ltd. | 28 Toys | Pending | 2022 |
| NTC 2256871 · TMA1276299 · design | Best Source International Inc | 9 Electronics | Registered | 2024 |
| NEOTOKYO 2242553 · TMA1264236 | 9425-5817 QUEBEC INC. | 43 Restaurants | Registered | 2024 |
| NETEASE 2238968 · TMA1259850 | NETEASE (HONG KONG) LIMITED | 9 Electronics35 Advertising38 Telecommunications+2 | Registered | 2024 |
| NOTICE 2224346 · TMA1251155 · design | NOTICE HAIR COMPANY INC. | 3 Cosmetics | Registered | 2024 |
| Notakia 2214759 · TMA1246595 | YIWU GAOBEI RIYONGPIN CO., LTD. | 20 Furniture | Registered | 2024 |
| NDAX 2206653 · TMA1241432 | NDAX Inc. | 36 Finance42 Science | Registered | 2024 |
| NYDIG 2191118 · TMA1218694 · design | New York Digital Investment Group LLC | 36 Finance42 Science | Registered | 2024 |
| NYDIG 2189242 · TMA1218641 | New York Digital Investment Group LLC | 36 Finance42 Science | Registered | 2024 |
| NAUTICA 2175702 · TMA1227055 · design | Nautica Apparel, Inc. | 12 Vehicles | Registered | 2024 |
| NUETSA 2159243 · TMA1210010 · design | JURONG SHUDAAN ELECTRONICS TECHNOLOGY CO. LTD | 9 Electronics | Registered | 2023 |
| 2NTS 2131651 · TMA1194796 · design | an individual | 9 Electronics25 Clothing | Registered | 2023 |
| NDECC 2127683 · TMA1126479 | National Dental Examining Board of Canada | 41 Education44 Medical | Registered | 2022 |
| Ntuic 2127099 · TMA1189723 | SHENZHEN Y&H E-COMMERCE CO. LTD. | 18 Leather25 Clothing | Registered | 2023 |