| MEDSTAD 1378747 · TMA774660 · design | 9092-6023 QUÉBEC INC. | 35 Advertising37 Construction | Registered | 2010 |
| MediStream 1462817 · TMA842111 | BEWATEC Kommunikationstechnik GmbH | 9 Electronics | Registered | 2013 |
| MEDSTACK 1936186 · TMA1153413 | MEDSTACK, INC. | 42 Science45 Legal | Registered | 2022 |
| METSTEV 1793979 · TMA1045043 | Merck Sharp & Dohme LLC | 5 Pharmaceuticals | Registered | 2019 |
| METSTAR 1414522 · TMA757300 | an individual | 6 Metal19 Building | Registered | 2010 |
| METASTREAM 2138128 · TMA1186648 | Metamark (UK) Limited | 16 Paper17 Rubber20 Furniture | Registered | 2023 |
| METASTREAM 0293182 · TMA146445 | John Crane UK Limited | 7 Machines12 Vehicles | Registered | 1966 |
| MEDISHEET 2186724 · TMA1217566 | Spartech LLC | 16 Paper17 Rubber | Registered | 2024 |
| MEDISTROM 1700976 · TMA956780 · design | Medistrom Inc. | 9 Electronics | Registered | 2016 |
| Medistrom 1696887 · TMA956787 | Medistrom Inc. | 9 Electronics | Registered | 2016 |
| MAIDESITE 2263303 · TMA1281514 · design | Hangzhou Nande Intelligent Technology Co. Ltd. | 20 Furniture | Registered | 2025 |
| MATICOD 2248235 · TMA1267299 | Shenzhen Shikeshu Industrial Co. Ltd. | 11 Lighting | Registered | 2024 |
| MEDICEUTICALS 2186659 · TMA1266931 | an individual | 3 Cosmetics | Registered | 2024 |
| METASTAGE 2174582 · TMA1252307 · design | HUAWEI TECHNOLOGIES CO., LTD. | 9 Electronics42 Science | Registered | 2024 |
| MIDGATE 2157796 · TMA1224451 | General Motors LLC | 12 Vehicles | Registered | 2024 |
| MODUSTOOLBOX 2136821 · TMA1177970 | Cypress Semiconductor Corporation | 9 Electronics | Registered | 2023 |
| MEDCOAT 2088779 · TMA1215059 · design | an individual | 5 Pharmaceuticals | Registered | 2023 |
| MidKote 2042279 · TMA1204699 | Plant Products Inc. | 1 Chemicals | Registered | 2023 |
| Mitsudonose 2033420 · TMA1142754 | Lumielina International Inc. | 3 Cosmetics | Registered | 2022 |
| MIDST 2031128 · TMA1160082 | Hale Corporation | 43 Restaurants | Registered | 2023 |
| MATCHSTICK 2028951 · TMA1157167 | Women Entrepreneurs of Saskatchewan Inc. | 41 Education | Registered | 2022 |
| METAXTRA 2001901 · TMA1269327 · design | META GROWTH CORP. | 9 Electronics16 Paper35 Advertising+1 | Registered | 2024 |
| METAXTRAMETAXTRA 2001794 · TMA1262279 | META GROWTH CORP. | 9 Electronics16 Paper35 Advertising+1 | Registered | 2024 |
| METAXTRA 2001780 · TMA1262278 | META GROWTH CORP. | 9 Electronics16 Paper35 Advertising+1 | Registered | 2024 |
| MITIGATE 1983364 · TMA1247688 | Thread Collective Inc. | 25 Clothing | Registered | 2024 |