| MASTERHALL 1902050 · TMA1130782 | 2264918 ONTARIO LIMITED | 9 Electronics14 Jewellery16 Paper+4 | Registered | 2022 |
| MASTERCARD 1812853 · TMA1094980 · design | Mastercard International Incorporated | 9 Electronics16 Paper35 Advertising+4 | Registered | 2021 |
| MASTERCARD 1812852 · TMA1094233 · design | Mastercard International Incorporated | 9 Electronics16 Paper35 Advertising+4 | Registered | 2021 |
| MASTERCHEF 1625851 · TMA980409 | Miele Limited | 11 Lighting | Registered | 2017 |
| MASTERCELL 1553239 · TMA904242 | Construction Research & Technology GmbH | 1 Chemicals | Registered | 2015 |
| MASTERCAST 1553234 · TMA904238 | Construction Research & Technology GmbH | 1 Chemicals | Registered | 2015 |
| MASTERCHEF 1534532 · TMA969710 | Shine TV Limited | 16 Paper25 Clothing28 Toys+1 | Registered | 2017 |
| MASTERCARD 1489905 · TMA808955 · design | Mastercard International Incorporated | 6 Metal9 Electronics16 Paper+7 | Registered | 2011 |
| MASTERCARD 1489904 · TMA808956 · design | Mastercard International Incorporated | 6 Metal9 Electronics16 Paper+7 | Registered | 2011 |
| MASTERCARD 1489901 · TMA811033 | Mastercard International Incorporated | 6 Metal9 Electronics16 Paper+7 | Registered | 2011 |
| MASTERCARD 1020894 · TMA545538 · design | Mastercard International Incorporated | 36 Finance | Registered | 2001 |
| MASTERCARD 0871988 · TMA519006 · design | Mastercard International Incorporated | 9 Electronics | Registered | 1999 |
| MASTERCARD 0845616 · TMA516037 · design | Mastercard International Incorporated | 16 Paper36 Finance38 Telecommunications | Registered | 1999 |
| MASTERCAM 0705233 · TMA411937 | CNC Software, LLC | 9 Electronics | Registered | 1993 |
| MASTERCARE 0696121 · TMA434636 · design | an individual | 16 Paper | Registered | 1994 |
| MASTERCARD 0650229 · TMA424467 · design | Mastercard International Incorporated | 16 Paper36 Finance | Registered | 1994 |
| MASTERCARD 0449433 · TMA267139 · design | Mastercard International Incorporated | 36 Finance | Registered | 1982 |
| MASTERCARD 2210730 | Mastercard International Incorporated | 9 Electronics35 Advertising36 Finance+2 | Pending | 2022 |
| MASTERCARD 2142033 · design | Mastercard International Incorporated | 9 Electronics35 Advertising36 Finance+1 | Pending | 2021 |
| MASTERCAST 2119820 | AMERICAN BATH GROUP, LLC | 11 Lighting19 Building | Pending | 2021 |
| MASTERTALK 2080171 | an individual | 9 Electronics35 Advertising41 Education | Pending | 2021 |
| MASTERCLASS 1932854 · TMA1149697 | an individual | 9 Electronics11 Lighting | Registered | 2022 |
| MASTERCLAVE 1649799 · TMA915015 | Owner not shown | 9 Electronics | Registered | 2015 |
| MASTERCRAFT 1647076 · TMA931690 · design | MasterCraft Boat Company, LLC | 12 Vehicles | Registered | 2016 |
| MASTERCRAFT 1634135 · TMA1036194 · design | Canadian Tire Corporation, Limited | 12 Vehicles | Registered | 2019 |