| 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 |
| MASTERCLASS 1932854 · TMA1149697 | an individual | 9 Electronics11 Lighting | Registered | 2022 |
| MASTERPASS 1615737 · TMA1017425 | Mastercard International Incorporated | 9 Electronics35 Advertising36 Finance+3 | Registered | 2019 |
| MASTERLY 1532838 · TMA827790 | an individual | 7 Machines | Registered | 2012 |
| MASTERCLASS 1433315 · TMA831455 | H&H Asia Ltd. | 8 Hand9 Electronics21 Housewares | Registered | 2012 |
| MASTERLYX 1156752 · TMA652176 | Masterfeeds Inc. | 5 Pharmaceuticals | Registered | 2005 |
| MASTERASSIST 0644783 · TMA392257 | Mastercard International Incorporated | 36 Finance38 Telecommunications39 Transport+1 | Registered | 1991 |
| MASTERY 2200581 · TMA1223880 | Mastery Logistics Systems, Inc. | 42 Science | Registered | 2024 |
| Mastermates 2181339 · TMA1230233 | 1749615 ONTARIO INC. | 10 Medical | Registered | 2024 |
| MasterEye 2096431 · TMA1216058 | GUILIN ZHISHEN INFORMATION TECHNOLOGY CO. LTD. | 9 Electronics | Registered | 2023 |
| MASTERDEPOT 1930071 · TMA1122782 | Mastertech Group LLC | 7 Machines | Registered | 2022 |
| MASTERLINER 1771062 · TMA1030517 | GPCP IP Holdings LLC | 16 Paper | Registered | 2019 |
| MASTERLOCK 1736068 · TMA1033727 | Winfield Solutions, LLC | 1 Chemicals | Registered | 2019 |
| MASTEREASE 1731205 · TMA1062067 | Construction Research & Technology GmbH | 1 Chemicals | Registered | 2019 |
| MASTERLINE 1623336 · TMA890007 | ES OpCo USA LLC | 5 Pharmaceuticals7 Machines8 Hand+3 | Registered | 2014 |
| MASTERCOLOR 1553244 · TMA904237 | Construction Research & Technology GmbH | 1 Chemicals | Registered | 2015 |
| MASTERROC 1553238 · TMA905166 | Construction Research & Technology GmbH | 1 Chemicals2 Paints19 Building | Registered | 2015 |
| MASTERCAST 1553234 · TMA904238 | Construction Research & Technology GmbH | 1 Chemicals | Registered | 2015 |
| MASTERSET 1553231 · TMA904244 | Construction Research & Technology GmbH | 1 Chemicals | Registered | 2015 |
| MASTERLIFE 1528289 · TMA823668 | Construction Research & Technology GmbH | 1 Chemicals | Registered | 2012 |
| MASTERIS 1496355 · TMA825790 · design | SOCIETE NATIONALE DES CHEMINS DE FER FRANCAIS SNCF, Etablissement Public à Caractère Industriel et Commercial | 12 Vehicles37 Construction39 Transport+1 | Registered | 2012 |
| MASTERLINK 1444698 · TMA772786 | Longyear TM, Inc. | 7 Machines | Registered | 2010 |
| MASTERAY 1383630 · TMA750455 · design | an individual | 9 Electronics28 Toys35 Advertising+1 | Registered | 2009 |