| NEWTRAX 1995438 · design | NEWTRAX HOLDINGS INC. | 9 Electronics37 Construction42 Science | Pending | 2019 |
| NEUTRIX 0909059 | National Research Council of Canada | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 1997 |
| NEOTERIX 1810499 · TMA1063827 | Sappi North America, Inc. (a Pennsylvania Corporation) | 16 Paper | Registered | 2019 |
| NEUTREX 1684952 · TMA934269 | Neutrex, Inc. | 1 Chemicals40 Treatment | Registered | 2016 |
| NITRIX 1478058 · TMA815700 | Glanbia Performance Nutrition Limited | 5 Pharmaceuticals | Registered | 2012 |
| NETREX 1424908 · TMA818926 | SASOL WAX GmbH | 4 Oils | Registered | 2012 |
| NATRIX 1401743 · TMA764837 | an individual | 9 Electronics42 Science | Registered | 2010 |
| NEUTRIK 0772222 · TMA461231 | an individual | 7 Machines8 Hand9 Electronics | Registered | 1996 |
| NUTRIX 0191890 · UCA26960 | Owner not shown | 3 Cosmetics | Registered | 1946 |
| NATRIX 2371272 | NATRIX TECHNOLOGIES INC. | 42 Science | Pending | 2024 |
| NEOTERIC 2186778 · TMA1254925 | GFM GMBH TRADEMARKS | 25 Clothing | Registered | 2024 |
| NEOTERIC 0745618 · TMA440610 | Neoteric Cosmetics, Inc. | 3 Cosmetics | Registered | 1995 |
| NUTRIQ 2249375 · TMA1261945 | Owner not listed | 1 Chemicals | Registered | 2024 |
| NATREX 2101275 · TMA1266725 | an individual | 11 Lighting | Registered | 2024 |
| NITROX 2084971 · TMA1216888 | Tetrosyl I-tec Limited | 1 Chemicals4 Oils | Registered | 2024 |
| NTRX 2048028 · TMA1124533 · design | NANTONG RUIXING GARMENTS CO. LTD. | 25 Clothing | Registered | 2022 |
| NITREX 1923040 · TMA1250418 | Septic Tertiary Systems Inc. | 11 Lighting37 Construction42 Science | Registered | 2024 |
| NATROX 1845959 · TMA1071881 | Inotec AMD Limited | 5 Pharmaceuticals9 Electronics10 Medical+3 | Registered | 2020 |
| NETTRAC 1792925 · TMA984635 | Nettrac Communications Incorporated | 42 Science | Registered | 2017 |
| NITROX 1715440 · TMA990589 | Triplepoint Environmental, LLC | 40 Treatment | Registered | 2018 |
| NEOTRAZ 1616829 · TMA890190 | Laticrete International, Inc. a Connecticut corporation | 1 Chemicals19 Building | Registered | 2014 |
| NITREX 1416576 · TMA765783 | HGCI, Inc. | 1 Chemicals | Registered | 2010 |
| NETTRAC 1310624 · TMA954393 | THALES | 9 Electronics | Registered | 2016 |
| NETHRIS 1282339 · TMA736763 | CENTRE DE SERVICES DE PAIE CGI INC. | 9 Electronics35 Advertising41 Education+1 | Registered | 2009 |
| NOTRAX 1137021 · TMA597132 | NoTrax USA, Inc. | 27 Carpets | Registered | 2003 |