| MONOTHERM 1700166 · TMA1000641 | ALD Vacuum Technologies GmbH | 6 Metal7 Machines8 Hand+3 | Registered | 2018 |
| MONDERER 1395737 · TMA780134 · design | Owner not shown | 3 Cosmetics5 Pharmaceuticals9 Electronics+7 | Registered | 2010 |
| MONTERRA 1005271 · TMA537861 | Canadian Tire Corporation, Limited | 18 Leather20 Furniture22 Ropes | Registered | 2000 |
| MONTERRA 0858654 · TMA534632 | Arterra Wines Canada, Inc. | 33 Wine | Registered | 2000 |
| MONTERRA 0615069 · TMA357965 | Blue Mountain Resorts Limited Partnership | 35 Advertising37 Construction41 Education+3 | Registered | 1989 |
| MONODERMODOSE 1611276 · TMA927888 | an individual | 3 Cosmetics5 Pharmaceuticals | Registered | 2016 |
| MONDRO 2185824 · TMA1231510 · design | Mondro Consulting Inc. | 35 Advertising42 Science | Registered | 2024 |
| MONOTREMP 2172143 · TMA1221596 · design | Shenzhen Chaochen E-Commerce Co. Ltd. | 11 Lighting | Registered | 2024 |
| montero 2146234 · TMA1241037 · design | Owner not shown | 13 Firearms | Registered | 2024 |
| MONDARIZ 1892531 · TMA1085336 · design | Owner not shown | 32 Beer | Registered | 2020 |
| MONDOR 1833075 · TMA1078145 · design | 2635-8762 Québec inc. | 39 Transport | Registered | 2020 |
| MONTEROSA 1831188 · TMA1042785 | an individual | 16 Paper18 Leather31 Fresh+1 | Registered | 2019 |
| MONDRIAN 1783776 · TMA975173 | Mondrian Investment Partners Limited (a British Company) | 36 Finance | Registered | 2017 |
| MONTEREY 1655099 · TMA1034192 | Asilomar Enterprises LLC | 9 Electronics | Registered | 2019 |
| MONTURA 1618700 · TMA1023136 | an individual | 25 Clothing | Registered | 2019 |
| MONDOR 1579695 · TMA899878 · design | MONDOR LTÉE | 25 Clothing26 Sewing28 Toys | Registered | 2015 |
| MONTARA 1542504 · TMA842270 | REV Recreation Group, Inc. | 12 Vehicles | Registered | 2013 |
| MonotaRO 1473793 · TMA977480 | MonotaRO Co. Ltd. | 3 Cosmetics6 Metal7 Machines+10 | Registered | 2017 |
| MONDRIAN 1465476 · TMA802435 | MORGANS GROUP LLC | 37 Construction43 Restaurants44 Medical | Registered | 2011 |
| MONDRIAN 1424941 · TMA798004 | MORGANS GROUP LLC | 43 Restaurants | Registered | 2011 |
| MONDRIAN 1422329 · TMA767491 | Oldcastle Building Products Canada, Inc./Les Matériaux de Construction Oldcastle Canada, Inc. | 19 Building | Registered | 2010 |
| MONTEREY 1252880 · TMA658803 | LES SOLS R. ISABELLE INC. | 31 Fresh | Registered | 2006 |
| MONODRIVE 1224165 · TMA648819 | FRANKLIN ELECTRIC CO. INC. | 9 Electronics | Registered | 2005 |
| MONTERAY 1161799 · TMA627655 | 1155464 Ontario Inc. | 4 Oils8 Hand14 Jewellery+7 | Registered | 2004 |
| MONTEREY 1108648 · TMA585051 | Monterey Mushrooms, LLC (a California limited liability company) | 29 Meat31 Fresh | Registered | 2003 |