| MASTERCONTROL 1995651 · TMA1140294 | MasterControl, Inc. | 9 Electronics42 Science | Registered | 2022 |
| MASTERSENSE 2071680 · TMA1135873 | Masterflex, LLC | 7 Machines9 Electronics17 Rubber | Registered | 2022 |
| MASTERCANOPY 2046217 · TMA1145861 · design | EZ CANOPY CO.LIMITED | 22 Ropes | Registered | 2022 |
| MASTERCONNECT 1933965 · TMA1139988 | an individual | 11 Lighting | Registered | 2022 |
| MASTERCORE 1919047 · TMA1110533 | BRIDGESTONE CORPORATION | 12 Vehicles17 Rubber | Registered | 2021 |
| MASTERCHROME 1762529 · TMA1054604 | BOBST MEX SA | 7 Machines35 Advertising | Registered | 2019 |
| MASTERCHOKE 1678246 · TMA977004 | Master Flo Valve Inc. | 6 Metal | Registered | 2017 |
| MASTERCOLOR 1553244 · TMA904237 | Construction Research & Technology GmbH | 1 Chemicals | Registered | 2015 |
| MASTERCHOKE 0484108 · TMA273759 | Master Flo Valve Inc. | 7 Machines | Registered | 1982 |
| MASTERCLOSE 2318624 | FNF Canada Company | 36 Finance | Pending | 2024 |
| MASTERCORE 2283935 | Construction Research & Technology GmbH | 1 Chemicals19 Building | Pending | 2023 |
| MASTERCO2RE 2283934 | Construction Research & Technology GmbH | 1 Chemicals19 Building | Pending | 2023 |
| MASTERCHOKE 2003080 | Master Flo Valve Inc. | 6 Metal7 Machines9 Electronics+1 | Pending | 2019 |
| MASTERCHOKE 1972487 · design | Master Flo Valve Inc. | 6 Metal7 Machines37 Construction | Pending | 2019 |
| MasterCoverage 1052031 · TMA566177 | Mastercard International Incorporated | 42 Science45 Legal | Registered | 2002 |
| MASTERLISE 2199165 · TMA1222519 · design | Kabushiki Kaisha Bandai Spirits(Bandai Spirits Co. Ltd.) | 28 Toys | Registered | 2024 |
| MASTERFORCE 2165431 · TMA1211276 | MENARD, INC. | 6 Metal7 Machines8 Hand+5 | Registered | 2023 |
| MASTERSTROKE 2094763 · TMA1150723 | TAYLORS WINES PTY LIMITED | 33 Wine | Registered | 2022 |
| MASTERCLASS 1932854 · TMA1149697 | an individual | 9 Electronics11 Lighting | Registered | 2022 |
| MasterCurve 1793183 · TMA1006058 | Audio Alliance Inc. | 9 Electronics42 Science | Registered | 2018 |
| MASTERSURE 1735854 · TMA943739 | Construction Research & Technology GmbH | 1 Chemicals | Registered | 2016 |
| MASTEREASE 1731205 · TMA1062067 | Construction Research & Technology GmbH | 1 Chemicals | Registered | 2019 |
| MASTERCLAVE 1649799 · TMA915015 | Owner not shown | 9 Electronics | Registered | 2015 |
| MASTERCLOUD 1648643 · TMA1107327 | Mastercard International Incorporated | 9 Electronics16 Paper35 Advertising+5 | Registered | 2021 |
| MASTERCOIN 1635453 · TMA886563 | BALCAN INNOVATIONS INC. | 22 Ropes | Registered | 2014 |