| MECATEC 2196587 | Castolin Eutectic GmbH | 1 Chemicals2 Paints40 Treatment | Pending | 2022 |
| MIUCATCH 2261125 · TMA1279554 · design | Meizhai (Xiamen) Technology Co. Ltd. | 18 Leather | Registered | 2024 |
| MECADECK 2023309 · TMA1270639 | MATÉRIAUX MECA INC. | 19 Building | Registered | 2024 |
| MECHTECH 1498041 · TMA858700 | HASBRO, INC. | 28 Toys | Registered | 2013 |
| MEGATECH 1358598 · TMA736797 | GATES CORPORATION (A DELAWARE CORPORATION) | 17 Rubber | Registered | 2009 |
| MYCOTECH 2303473 | BLUESTEM API INC. | 9 Electronics11 Lighting | Pending | 2024 |
| MEGATECH 2269983 · design | Les Industries BRP Mégatech Inc. | 9 Electronics12 Vehicles40 Treatment+1 | Pending | 2023 |
| MACTAC 2180397 · TMA1212503 · design | MORGAN ADHESIVES COMPANY LLC | 1 Chemicals17 Rubber | Registered | 2023 |
| MACTAC 2168349 · TMA1167267 · design | MORGAN ADHESIVES COMPANY LLC | 17 Rubber | Registered | 2023 |
| MIXTECO 2020806 · TMA1114211 | an individual | 43 Restaurants | Registered | 2021 |
| MACTAC 1837469 · TMA1062445 · design | MORGAN ADHESIVES COMPANY LLC | 1 Chemicals5 Pharmaceuticals16 Paper+1 | Registered | 2019 |
| MACTAC 1837460 · TMA1064089 · design | MORGAN ADHESIVES COMPANY LLC | 1 Chemicals5 Pharmaceuticals16 Paper+1 | Registered | 2019 |
| MISTEX 1383823 · TMA771645 | INVENTION TECHNOLOGIES PTY LTD (T/A PHIREX AUSTRALIA) | 9 Electronics | Registered | 2010 |
| MESHTEC 1266809 · TMA720151 | NBC Meshtec Inc. | 7 Machines11 Lighting16 Paper+2 | Registered | 2008 |
| MAGTEC 1194910 · TMA644860 | Magtec Products, Inc. | 9 Electronics35 Advertising37 Construction+3 | Registered | 2005 |
| MEGTEC 1086428 · TMA573640 | Durr Systems, Inc. | 7 Machines11 Lighting | Registered | 2003 |
| MASTEC 1075191 · TMA628530 · design | Mastec, Inc. (a Florida corporation) | 37 Construction42 Science | Registered | 2004 |
| MAXTEC 1010470 · TMA585028 | Maxtec, LLC | 1 Chemicals7 Machines9 Electronics+2 | Registered | 2003 |
| MISTIC 0840289 · TMA491388 | Mott's LLP | 30 Coffee32 Beer | Registered | 1998 |
| MEKTEC 0810784 · TMA478913 | NIPPON MEKTRON KABUSHIKI KAISHA, ALSO TRADING AS NIPPON MEKTRON, LTD. | 9 Electronics | Registered | 1997 |
| MACTEX 0775786 · TMA478373 | an individual | 5 Pharmaceuticals19 Building | Registered | 1997 |
| MACTAC 0267043 · TMA127721 | MORGAN ADHESIVES COMPANY LLC | 16 Paper17 Rubber20 Furniture+1 | Registered | 1962 |
| MEKTEC 2317251 | an individual | 12 Vehicles | Pending | 2024 |
| MEGTEC 2242549 | an individual | 7 Machines9 Electronics11 Lighting+4 | Pending | 2023 |
| MYCATCH 2079471 | Goldstream Publishing Inc. | 9 Electronics41 Education42 Science | Pending | 2021 |