| NECTEC 1360231 · TMA791899 | an individual | 7 Machines12 Vehicles17 Rubber+1 | Registered | 2011 |
| NUCTECH 1307074 · TMA708438 | NUCTECH COMPANY LIMITED | 9 Electronics | Registered | 2008 |
| NEXTECH 1070055 · TMA578812 | TP-Holiday Group Limited | 9 Electronics16 Paper18 Leather+1 | Registered | 2003 |
| NEXTECH 2317128 · design | Jinan Singhui CNC Machinery Technology Co. Ltd | 7 Machines | Pending | 2024 |
| NUCTECH 2301696 · design | NUCTECH COMPANY LIMITED | 7 Machines9 Electronics | Pending | 2023 |
| NEXXTECH 1222355 · TMA740948 · design | The Source (Bell) Electronics Inc. | 8 Hand9 Electronics10 Medical+4 | Registered | 2009 |
| NEXXTECH 1172358 · TMA758244 | The Source (Bell) Electronics Inc. | 8 Hand9 Electronics10 Medical+3 | Registered | 2010 |
| NEKTECK 2248224 · TMA1280957 · design | Shenzhen YuanRui Information Technology Co. Ltd. | 9 Electronics10 Medical11 Lighting+1 | Registered | 2025 |
| NAZTECH 1143222 · TMA623513 | an individual | 9 Electronics35 Advertising41 Education | Registered | 2004 |
| NEXTEC 0819522 · TMA519381 · design | NEXTEC APPLICATIONS, INC. | 24 Textiles25 Clothing | Registered | 1999 |
| NEXTEC 0796343 · TMA504772 | NEXTEC APPLICATIONS, INC. | 24 Textiles40 Treatment | Registered | 1998 |
| NEXTEC 2133519 | THE GORMAN-RUPP COMPANY | 7 Machines8 Hand9 Electronics | Pending | 2021 |
| NEXTOUCH 2293018 | ASSA ABLOY Access and Egress Hardware Group, Inc. | 6 Metal9 Electronics | Pending | 2023 |
| NUIKCOTECH 2091246 · TMA1180396 | an individual | 28 Toys | Registered | 2023 |
| NEXTEXT 1778927 · TMA971890 | Joint Venture between IVRNET INC. and FAR WEST DIGITAL ADVERTISING INC. | 9 Electronics35 Advertising38 Telecommunications+1 | Registered | 2017 |
| NISTEC 0809650 · TMA473900 · design | NISSAN JIDOSHA KABUSHIKI KAISHA, DBA NISSAN MOTOR CO. LTD. | 41 Education | Registered | 1997 |
| NGTECO 2304193 · design | ZKTECO CO. LTD. | 9 Electronics35 Advertising | Pending | 2024 |
| NEXTACK 2243874 · design | Shenzhen Youchuang Shidai Technology Co. Ltd. | 8 Hand | Pending | 2023 |
| NUYUCEUTICALS 2288525 · TMA1283518 | NUNU Bioceuticals, Inc. | 5 Pharmaceuticals | Registered | 2025 |
| NEXTSPIN 2259170 · TMA1277852 · design | NEXT TECH CO. LTD. | 9 Electronics | Registered | 2024 |
| NEXTSPIN 2259169 · TMA1277851 · design | NEXT TECH CO. LTD. | 41 Education | Registered | 2024 |
| NIGHTSABRE 2246145 · TMA1261908 | Corsair Memory, Inc. | 9 Electronics | Registered | 2024 |
| NICEDECO 2218797 · TMA1264115 · design | Guangzhou Changyou Dian Zi Shang Wu Co.,Ltd | 3 Cosmetics | Registered | 2024 |
| Nightography 2209641 · TMA1279026 | SAMSUNG ELECTRONICS CO. LTD. | 9 Electronics | Registered | 2024 |
| #NOHASHTAG 2198839 · TMA1238412 | an individual | 25 Clothing | Registered | 2024 |