| MASTERSHOCK 0817448 · TMA495072 | Owner not shown | 1 Chemicals9 Electronics17 Rubber | Registered | 1998 |
| MASTERPACK 1855360 · TMA1053200 | an individual | 22 Ropes42 Science | Registered | 2019 |
| MASTERACK 1557238 · TMA863084 | Masterack Manufacturing and Installation, LLC | 6 Metal12 Vehicles20 Furniture+2 | Registered | 2013 |
| MASTERROC 1553238 · TMA905166 | Construction Research & Technology GmbH | 1 Chemicals2 Paints19 Building | Registered | 2015 |
| MASTERLINK 1444698 · TMA772786 | Longyear TM, Inc. | 7 Machines | Registered | 2010 |
| MASTERPICK 2309193 · design | MASTER TEKNIK TASARIM MAKINA SANAYI VE TICARET LIMITED SIRKETI | 6 Metal7 Machines9 Electronics | Pending | 2023 |
| MASTERFORCE 2165431 · TMA1211276 | MENARD, INC. | 6 Metal7 Machines8 Hand+5 | Registered | 2023 |
| MASTERTRACK 1987896 · TMA1200894 | Unicorn Tire Corporation | 12 Vehicles | Registered | 2023 |
| MasterTrack 1941543 · TMA1152494 | an individual | 6 Metal19 Building20 Furniture | Registered | 2022 |
| MASTERCLOUD 1648643 · TMA1107327 | Mastercard International Incorporated | 9 Electronics16 Paper35 Advertising+5 | Registered | 2021 |
| MASTERFLOOR 1207002 · TMA698008 | Kaindl Marken GmbH | 19 Building | Registered | 2007 |
| MASTERCLOSE 2318624 | FNF Canada Company | 36 Finance | Pending | 2024 |
| MASTERWORKS 2311835 | PaperWorks Industries, Inc. | 16 Paper | Pending | 2024 |
| MASTERLY 2296275 · TMA1263377 · design | Owner not listed | 9 Electronics35 Advertising41 Education+3 | Registered | 2024 |
| MASTERLY 2243542 · TMA1263081 | Owner not listed | 9 Electronics35 Advertising41 Education+3 | Registered | 2024 |
| MASTERLISE 2199165 · TMA1222519 · design | Kabushiki Kaisha Bandai Spirits(Bandai Spirits Co. Ltd.) | 28 Toys | Registered | 2024 |
| MASTERVAC 1992813 · TMA1152674 · design | Canadian Tire Corporation, Limited | 7 Machines | Registered | 2022 |
| MASTERCORE 1919047 · TMA1110533 | BRIDGESTONE CORPORATION | 12 Vehicles17 Rubber | Registered | 2021 |
| MASTERWORD 1803334 · TMA992964 | MasterWord Services, Inc. | 41 Education | Registered | 2018 |
| MASTERVAC 1771091 · TMA1030553 | GPCP IP Holdings LLC | 16 Paper | Registered | 2019 |
| MASTERCOIN 1635453 · TMA886563 | BALCAN INNOVATIONS INC. | 22 Ropes | Registered | 2014 |
| MASTERLINE 1623336 · TMA890007 | ES OpCo USA LLC | 5 Pharmaceuticals7 Machines8 Hand+3 | Registered | 2014 |
| MASTERVAC 1555952 · TMA859801 · design | Canadian Tire Corporation, Limited | 7 Machines | Registered | 2013 |
| MASTERLY 1532838 · TMA827790 | an individual | 7 Machines | Registered | 2012 |
| MASTERLIFE 1528289 · TMA823668 | Construction Research & Technology GmbH | 1 Chemicals | Registered | 2012 |