| MICROSMART 2116369 · TMA1191957 | an individual | 7 Machines | Registered | 2023 |
| MICROCLOR 1718502 · TMA950273 | Process Solutions, Inc. | 11 Lighting | Registered | 2016 |
| MICROCORE 1655866 · TMA921511 | an individual | 7 Machines8 Hand | Registered | 2015 |
| MICROSUPPORT 1601981 · TMA990651 | SERTA INC. | 20 Furniture | Registered | 2018 |
| MICROSOFT 1590964 · TMA993309 · design | Microsoft Corporation | 9 Electronics16 Paper25 Clothing+8 | Registered | 2018 |
| MICROSUPPORT 1581020 · TMA854925 | SERTA INC. | 20 Furniture | Registered | 2013 |
| MICROCEPTOR 1394625 · TMA811165 | Zurn Industries Limited | 11 Lighting | Registered | 2011 |
| MICROCOR 1319504 · TMA802158 | Corium Pharma Solutions, Inc. | 10 Medical | Registered | 2011 |
| MICROSOFT 1179215 · TMA614880 | Microsoft Corporation | 36 Finance37 Construction40 Treatment | Registered | 2004 |
| MICROCOOL 0883132 · TMA531655 | O&M Halyard International Unlimited Company | 10 Medical | Registered | 2000 |
| MICROSOFT 0839710 · TMA520594 | Microsoft Corporation | 9 Electronics28 Toys | Registered | 1999 |
| MICROSOFT 0818561 · TMA482615 | Microsoft Corporation | 35 Advertising41 Education42 Science | Registered | 1997 |
| MICROCOOL 0794972 · TMA503301 | Joseph Company International, Inc. | 21 Housewares | Registered | 1998 |
| MICROSOFT 0780520 · TMA471989 | Microsoft Corporation | 38 Telecommunications | Registered | 1997 |
| MICROSOFT 0774043 · TMA453570 | Microsoft Corporation | 25 Clothing | Registered | 1996 |
| MICROSOFT 0490576 · TMA309288 | MICROSOFT CORPORATION, A WASHINGTON CORPORATION | 9 Electronics35 Advertising41 Education+1 | Registered | 1985 |
| MICROSOFT 0456589 · TMA255098 | MICROSOFT CORPORATION, A WASHINGTON CORPORATION | 9 Electronics35 Advertising42 Science | Registered | 1981 |
| MICROSPORT 2265174 | Owner not listed | 9 Electronics41 Education42 Science | Pending | 2023 |
| MICROSOFT 2133010 | Microsoft Corporation | 16 Paper | Pending | 2021 |
| MICROSOFT 2112749 | Microsoft Corporation | 28 Toys38 Telecommunications42 Science | Pending | 2021 |
| MICROSOFT 2072551 | Microsoft Corporation | 9 Electronics28 Toys35 Advertising+3 | Pending | 2020 |
| MicroCommunity 2037242 · TMA1139739 | an individual | 45 Legal | Registered | 2022 |
| MICROCUT 2089261 · TMA1189316 | an individual | 12 Vehicles24 Textiles | Registered | 2023 |
| MICROCON 1920613 · TMA1101845 · design | RGF Environmental Group, Inc. | 11 Lighting | Registered | 2021 |
| MicroCote 1914805 · TMA1191249 | DyTerra Corporation | 7 Machines | Registered | 2023 |