| NEUTREX 1684952 · TMA934269 | Neutrex, Inc. | 1 Chemicals40 Treatment | Registered | 2016 |
| NATREX 2101275 · TMA1266725 | an individual | 11 Lighting | Registered | 2024 |
| NITREX 1923040 · TMA1250418 | Septic Tertiary Systems Inc. | 11 Lighting37 Construction42 Science | Registered | 2024 |
| NITREX 1416576 · TMA765783 | HGCI, Inc. | 1 Chemicals | Registered | 2010 |
| NITREX 1136942 · TMA641987 | WILSON TOOL INTERNATIONAL INC. | 40 Treatment | Registered | 2005 |
| NITREX 0869949 · TMA540685 | Ride Control, LLC | 12 Vehicles | Registered | 2001 |
| NITREX 2301444 · design | EVA-GLORY INDUSTRIAL CO. LTD. | 9 Electronics17 Rubber25 Clothing+1 | Pending | 2023 |
| NATUREX 1352455 · TMA758207 · design | an individual | 1 Chemicals2 Paints3 Cosmetics+2 | Registered | 2010 |
| NATUREX 1258052 · TMA678705 | an individual | 1 Chemicals2 Paints3 Cosmetics+2 | Registered | 2006 |
| NEWTRIX 1198559 · TMA809024 | an individual | 18 Leather | Registered | 2011 |
| 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 |
| 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 |
| NATROX 1845959 · TMA1071881 | Inotec AMD Limited | 5 Pharmaceuticals9 Electronics10 Medical+3 | Registered | 2020 |
| NITROX 1715440 · TMA990589 | Triplepoint Environmental, LLC | 40 Treatment | Registered | 2018 |
| NITRIX 1478058 · TMA815700 | Glanbia Performance Nutrition Limited | 5 Pharmaceuticals | Registered | 2012 |
| NATRIX 1401743 · TMA764837 | an individual | 9 Electronics42 Science | Registered | 2010 |
| NOTRAX 1137021 · TMA597132 | NoTrax USA, Inc. | 27 Carpets | Registered | 2003 |
| NITREG 0535798 · TMA314041 | NITREX METAL INC. | 35 Advertising | Registered | 1986 |
| NUTRIX 0191890 · UCA26960 | Owner not shown | 3 Cosmetics | Registered | 1946 |
| NATRIX 2371272 | NATRIX TECHNOLOGIES INC. | 42 Science | Pending | 2024 |
| NEOTERIX 1810499 · TMA1063827 | Sappi North America, Inc. (a Pennsylvania Corporation) | 16 Paper | Registered | 2019 |
| NETREACH 1454202 · TMA835257 | Vertiv Energy Systems, Inc. | 9 Electronics | Registered | 2012 |
| NETRUSH 1878309 · TMA1090145 | Netrush, LLC | 35 Advertising39 Transport42 Science | Registered | 2020 |