| MEDISOLE 2102747 · TMA1174997 | MARK'S WORK WEARHOUSE LTD. | 25 Clothing | Registered | 2023 |
| MIDASOLVE 1965262 · TMA1262131 | Midatech Limited | 1 Chemicals5 Pharmaceuticals40 Treatment+1 | Registered | 2024 |
| MEDICOLD 1520015 · TMA823174 | MÉDICAL TRONIK MTL LTÉE | 10 Medical | Registered | 2012 |
| MEDIGOLD 0858089 · TMA520953 | Medipac International Inc. | 3 Cosmetics9 Electronics12 Vehicles+11 | Registered | 2000 |
| MEDICOLLECT 1100660 · TMA598330 · design | iFinance Canada Inc. | 36 Finance | Registered | 2003 |
| MEDICALNET 1168545 · TMA647257 · design | an individual | 10 Medical11 Lighting20 Furniture+1 | Registered | 2005 |
| MEDIAGLOBE 1117059 · TMA593093 | Konica Minolta Planetarium Co. Ltd. | 9 Electronics | Registered | 2003 |
| MEDISOLUTION 1551661 · TMA879605 · design | Medisolution Ltd. | 9 Electronics35 Advertising42 Science | Registered | 2014 |
| MEDISOLUTION 0767487 · TMA448152 | Medisolution Ltd. | 9 Electronics35 Advertising42 Science | Registered | 1995 |
| METSOLA 2116172 · TMA1190811 | an individual | 3 Cosmetics24 Textiles25 Clothing | Registered | 2023 |
| Modicle 1998584 · TMA1141020 | Shenzhen Sangshen E-commerce Co. Ltd. | 11 Lighting | Registered | 2022 |
| MEDICALAI 1920933 · TMA1109511 · design | Shenzhen Malong Technology Co. Ltd. | 9 Electronics35 Advertising42 Science+1 | Registered | 2021 |
| MEDICALIA 1910421 · TMA1105685 | Pevonia International, LLC | 3 Cosmetics | Registered | 2021 |
| MedaGlove 1846176 · TMA1092899 | Owner not shown | 10 Medical | Registered | 2021 |
| MediCall 1831314 · TMA1072695 | MediCall | 9 Electronics35 Advertising42 Science+2 | Registered | 2020 |
| MEDICALL 1831313 · TMA1072697 · design | MediCall | 9 Electronics35 Advertising42 Science+1 | Registered | 2020 |
| MEDSKL 1705834 · TMA1056951 | Cost Effective Healthcare Inc. | 9 Electronics35 Advertising41 Education+2 | Registered | 2019 |
| MEDICALI 1632267 · TMA920794 | EMPIRE GLASS LTD. | 9 Electronics25 Clothing34 Tobacco | Registered | 2015 |
| MediGel 1615349 · TMA890429 | ClearH2O, Inc. | 5 Pharmaceuticals | Registered | 2014 |
| MEDSLEEP 1421922 · TMA784561 | Medsleep Inc. | 44 Medical | Registered | 2010 |
| MEDIACLIP 1371133 · TMA792978 · design | Mediaclip Inc. | 9 Electronics16 Paper42 Science | Registered | 2011 |
| MEDCLOSE 1199071 · TMA744312 | Med Enclosure LLC | 6 Metal10 Medical | Registered | 2009 |
| METASOL 0284654 · TMA141736 | LANXESS Corporation (a Delaware corporation) | 1 Chemicals2 Paints5 Pharmaceuticals+5 | Registered | 1965 |
| METASOLAR 2213886 | Meta Materials Inc. | 9 Electronics | Pending | 2022 |
| MEDIACOOLER 1521702 · TMA853681 · design | Media Cooler Innovations Inc. | 9 Electronics16 Paper21 Housewares+5 | Registered | 2013 |