| Membrion 2014398 · TMA1167637 | MEMBRION, INC. | 1 Chemicals9 Electronics | Registered | 2023 |
| MOMPERTONE 1618436 · TMA879033 | an individual | 33 Wine | Registered | 2014 |
| MEMBERLINK 1134881 · TMA635606 | Canadian Credit Union Association Cooperative | 16 Paper36 Finance38 Telecommunications | Registered | 2005 |
| MEMBERNET 1000117 · TMA576484 · design | Canadian Credit Union Association Cooperative | 36 Finance | Registered | 2003 |
| MEMBERNET 0882475 · TMA547964 | Canadian Credit Union Association Cooperative | 36 Finance | Registered | 2001 |
| MEMBERCARE 0735690 · TMA449775 | Canadian Credit Union Association Cooperative | 35 Advertising36 Finance41 Education | Registered | 1995 |
| MEMBRANE 2274235 | Membrane Labs Inc. | 9 Electronics36 Finance42 Science | Pending | 2023 |
| MEMBRION 2241218 · design | Owner not listed | 1 Chemicals9 Electronics40 Treatment | Pending | 2022 |
| MemberConnect 2188649 | Board of Trustees of the IWA-Forest Industry Pension Plan | 35 Advertising36 Finance42 Science | Pending | 2022 |
| MEMBERFUNDS 0814059 · TMA491853 | Canadian Credit Union Association Cooperative | 36 Finance38 Telecommunications | Registered | 1998 |
| MEMBERFUL 2044145 · TMA1123223 | Patreon, Inc. | 42 Science | Registered | 2022 |
| MEMBRANA 1757119 · TMA979369 | 3M Company | 9 Electronics10 Medical11 Lighting+1 | Registered | 2017 |
| MEMBRAIN 1679394 · TMA909756 · design | CertainTeed Corporation | 17 Rubber | Registered | 2015 |
| MEMOPROVE 1550946 · TMA1013700 | EVER Neuro Pharma GmbH | 5 Pharmaceuticals | Registered | 2019 |
| MEMBERPRO 1140572 · TMA601001 | Redesign Technologies Inc. | 9 Electronics | Registered | 2004 |
| MemberTel 1031770 · TMA559393 | Canadian Credit Union Association Cooperative | 35 Advertising | Registered | 2002 |
| MemBrain 0775347 · TMA458547 | MARMOT MOUNTAIN , LLC | 25 Clothing | Registered | 1996 |
| MEMBER365 2198411 | Pixelera Inc. | 42 Science | Pending | 2022 |
| MEMBERACCESS 1629127 · TMA936785 | Canadian Credit Union Association Cooperative | 36 Finance | Registered | 2016 |
| MEMBERDIRECT 0819631 · TMA506427 | Canadian Credit Union Association Cooperative | 36 Finance38 Telecommunications | Registered | 1999 |
| MEMBERGUEST 1855131 · TMA1061605 | an individual | 35 Advertising41 Education | Registered | 2019 |
| MEMBERPERKS 1346177 · TMA791745 | Venngo Inc. | 9 Electronics35 Advertising | Registered | 2011 |
| MEMBERGUARD 0813658 · TMA516942 | Canadian Credit Union Association Cooperative | 36 Finance | Registered | 1999 |
| MEMBERSOLUTIONS 0766311 · TMA445754 · design | Canadian Credit Union Association Cooperative | 9 Electronics | Registered | 1995 |
| MinePwr 2248105 · TMA1277592 | manufacture adria inc | 9 Electronics | Registered | 2024 |