| METROTECH 0371462 · TMA219732 | METROTECH CORPORATION (a California Corporation) | 9 Electronics | Registered | 1977 |
| METRODE 1333026 · TMA705970 | Lincoln Global, Inc. | 1 Chemicals6 Metal7 Machines | Registered | 2008 |
| METROTOM 1314547 · TMA701627 | an individual | 9 Electronics | Registered | 2007 |
| MEDTROTTER 1480431 · TMA821703 | Epidauria Inc. | 35 Advertising39 Transport42 Science+1 | Registered | 2012 |
| METROTOWER 0624149 · TMA370057 | 1085140 B.C. Ltd. | 35 Advertising36 Finance | Registered | 1990 |
| METAROUTER 2263840 | Nessa Labs Inc. dba MetaRouter | 42 Science | Pending | 2023 |
| METROID 2141453 · TMA1191012 | NINTENDO OF AMERICA INC. | 9 Electronics14 Jewellery16 Paper+4 | Registered | 2023 |
| MEDRITE 2133163 · TMA1249485 | YVES MARTIN UNDERWEAR INC./ LES SOUS-VÊTEMENTS YVES MARTIN INC. | 25 Clothing35 Advertising | Registered | 2024 |
| METROID 0585971 · TMA343224 | NINTENDO OF AMERICA INC. | 9 Electronics28 Toys | Registered | 1988 |
| METRODIN 0525443 · TMA338284 | an individual | 5 Pharmaceuticals | Registered | 1988 |
| METRITAPE 0344863 · TMA184364 | JOWA USA, INC. | 9 Electronics | Registered | 1972 |
| MATURITEASE 2098007 · TMA1152179 | Serenity Care Services Inc. | 3 Cosmetics5 Pharmaceuticals | Registered | 2022 |
| MetroTaifun 1392931 · TMA807875 | an individual | 7 Machines37 Construction39 Transport | Registered | 2011 |
| MYOUTDOORTV 2165778 · TMA1200505 | KSE MOTV HOLDINGS, LLC | 38 Telecommunications | Registered | 2023 |
| Moderato 2116299 · TMA1246157 · design | Moderato | 32 Beer33 Wine | Registered | 2024 |
| MTRD 2041983 · TMA1142861 | an individual | 35 Advertising40 Treatment42 Science+1 | Registered | 2022 |
| Moderation 2007091 · TMA1129124 | SPIRITO ITALIA S.R.L. INC. | 25 Clothing35 Advertising | Registered | 2022 |
| MYTREETAGS 1980103 · TMA1260495 | Ancestry.com Operations Inc. | 9 Electronics41 Education42 Science+1 | Registered | 2024 |
| Mdtrade 1976140 · TMA1124197 | SHENGZHEN DONG HAO XING TECHNOLOGY CO .LTD | 14 Jewellery | Registered | 2022 |
| MTHREAT 1949925 · TMA1178373 | WIZARD TOWER TECHNOSERVICES LTD. | 9 Electronics | Registered | 2023 |
| #MYDIRTYSIDE 1939849 · TMA1110352 | HENKEL CORPORATION | 3 Cosmetics | Registered | 2021 |
| MOTORTREND 1929187 · TMA1124761 | Motor Trend Group, LLC | 9 Electronics16 Paper38 Telecommunications+1 | Registered | 2022 |
| MYTRUEIDENTITY 1921222 · TMA1176997 | TransUnion Interactive, Inc. | 35 Advertising36 Finance42 Science+1 | Registered | 2023 |
| MATRIDERM 1889613 · TMA1103499 | Owner not shown | 5 Pharmaceuticals | Registered | 2021 |
| MAIDRITE 1815762 · TMA993621 · design | Maid-Rite Specialty Foods Inc. | 29 Meat | Registered | 2018 |