| MIGSHIELD 1848087 · TMA1052507 | QH Holdings (Oregon), Inc. | 5 Pharmaceuticals | Registered | 2019 |
| MAGSHIELD 1508823 · TMA841758 | Martin Marietta Magnesia Specialties, LLC | 1 Chemicals | Registered | 2013 |
| MIXSHIELD 0705529 · TMA420651 | an individual | 7 Machines9 Electronics | Registered | 1993 |
| MUCKSHIELD 1998347 · TMA1142516 | US Footwear Holdings LLC | 25 Clothing | Registered | 2022 |
| MAXWELD 1620130 · TMA881125 | Lenco Welding Accessories Limited | 6 Metal7 Machines9 Electronics | Registered | 2014 |
| Myclotype 2263080 · TMA1281453 | an individual | 25 Clothing | Registered | 2025 |
| Mocalido 2254131 · TMA1273063 | Shenzhen Xinqilu Technology Co. Ltd. | 11 Lighting | Registered | 2024 |
| MEGCLOUD 2227025 · TMA1251377 | MegCloud Technologies Inc. | 9 Electronics39 Transport42 Science | Registered | 2024 |
| MOXLED 2158653 · TMA1209916 · design | Shenzhen Lanfeng Technology Co. Ltd. | 11 Lighting | Registered | 2023 |
| MUGLED 2140098 · TMA1261053 · design | MICROPOROUS TECHNOLOGY(NINGBO) LIMITED | 3 Cosmetics | Registered | 2024 |
| MEGAWILD 2108690 · TMA1189595 | Owner not shown | 5 Pharmaceuticals | Registered | 2023 |
| MYCLOUDFARE 2049282 · TMA1167948 · design | SVANACO, INC. | 9 Electronics39 Transport41 Education+1 | Registered | 2023 |
| MAXSOLD 2044383 · TMA1165519 | MaxSold Incorporated | 35 Advertising | Registered | 2023 |
| MYCLOUDFARE 2029607 · TMA1217888 | SVANACO, INC. | 9 Electronics35 Advertising39 Transport+1 | Registered | 2024 |
| MECALITGROUP 2014031 · TMA1136379 · design | Mecalit GmbH Kunststoffverarbeitung | 6 Metal7 Machines11 Lighting+3 | Registered | 2022 |
| MACUHEALTH 2012734 · TMA1226655 | MacuHealth Limited Partnership | 5 Pharmaceuticals | Registered | 2024 |
| MASCLETÁ 2012598 · TMA1146581 | an individual | 33 Wine | Registered | 2022 |
| mecalit 2011587 · TMA1136359 | Mecalit GmbH Kunststoffverarbeitung | 6 Metal7 Machines11 Lighting+3 | Registered | 2022 |
| MCLOUD 1962152 · TMA1150825 · design | CHINA MOBILE INTERNATIONAL LIMITED | 38 Telecommunications | Registered | 2022 |
| MOGOWEALTH 1959353 · TMA1224709 | MOGO FINANCE TECHNOLOGY INC. | 9 Electronics36 Finance | Registered | 2024 |
| MACHCLOUD 1917003 · TMA1121132 | an individual | 9 Electronics38 Telecommunications42 Science | Registered | 2022 |
| Muslady 1897114 · TMA1092433 | Shenzhen Tomtao International Trading Co. Ltd | 9 Electronics15 Musical | Registered | 2021 |
| MUSSELHEAD 1873850 · TMA1078190 | an individual | 28 Toys | Registered | 2020 |
| MAZEWELD 1860148 · TMA1075864 | an individual | 6 Metal11 Lighting20 Furniture+4 | Registered | 2020 |
| MAXLITE 1822627 · TMA1062886 | Swan Products, LLC | 6 Metal9 Electronics11 Lighting+2 | Registered | 2019 |