| MICROSIZED 0449092 · TMA248516 | CARGILL INCORPORATED (A DELAWARE CORPORATION) | 30 Coffee31 Fresh | Registered | 1980 |
| MICROSLICE 1499532 · TMA823152 | BANK OF AMERICA CORPORATION (a Delaware Corporation) | 36 Finance | Registered | 2012 |
| MICROSLICE 1086193 · TMA589487 | URSCHEL LABORATORIES INCORPORATED | 7 Machines | Registered | 2003 |
| MICROSAFE 1995856 · TMA1102986 | DRUMMOND SCIENTIFIC COMPANY | 10 Medical | Registered | 2021 |
| MICROSILK 1867357 · TMA1162881 | Bolt Threads, Inc. | 22 Ropes23 Yarns24 Textiles+1 | Registered | 2023 |
| MICROSILK 1713796 · TMA940005 · design | American Industrial Brands, LLC | 11 Lighting | Registered | 2016 |
| MICROSILK 1491245 · TMA839241 | American Industrial Brands, LLC | 10 Medical11 Lighting | Registered | 2013 |
| MICROCISE 1474050 · TMA861068 | Cook Medical Technologies LLC | 9 Electronics | Registered | 2013 |
| MICROSIL 1401106 · TMA801045 | Sun Chemical Corporation | 1 Chemicals | Registered | 2011 |
| MICROCIDE 1381748 · TMA747900 | Daego Co. Ltd. | 21 Housewares24 Textiles | Registered | 2009 |
| MICROSIS 0873255 · TMA515311 | MICROSIS | 9 Electronics | Registered | 1999 |
| MICROSURE 0840940 · TMA543356 | MICROBAN CANADA INC. | 5 Pharmaceuticals | Registered | 2001 |
| MICROSIL 0690535 · TMA402466 | Pacific Coast Building Products, Inc. | 19 Building | Registered | 1992 |
| MICROSERE 0306667 · TMA157861 | The International Group, Inc. (a Delaware corporation) | 3 Cosmetics4 Oils5 Pharmaceuticals | Registered | 1968 |
| MICROSAFE 2073798 · design | an individual | 3 Cosmetics | Pending | 2020 |
| MicroSilver 1649499 · TMA943115 | an individual | 3 Cosmetics35 Advertising | Registered | 2016 |
| MICROSPIKES 1459424 · TMA790944 | KAHTOOLA INC. | 25 Clothing | Registered | 2011 |
| MICROSIGNS 1904147 · TMA1121300 | InVue Security Products Inc. | 9 Electronics42 Science | Registered | 2022 |
| MICROSOLVE 1774502 · TMA1055571 | an individual | 5 Pharmaceuticals | Registered | 2019 |
| MICROGLIDE 1719784 · TMA941742 | Secure Energy Services Inc. | 4 Oils | Registered | 2016 |
| MicroGuide 1582709 · TMA858630 | MEGLAB ÉLECTRONIQUE INC. | 9 Electronics | Registered | 2013 |
| MICROSHIFT 1514475 · TMA863708 · design | AD-II ENGINEERING INC. | 12 Vehicles | Registered | 2013 |
| MICROSWEEP 1471369 · TMA784678 | Wipeco Industries Inc. | 21 Housewares | Registered | 2010 |
| MICROSHEER 1279683 · TMA695332 | Church & Dwight Co. Inc. (a Delaware corporation) | 10 Medical | Registered | 2007 |
| MICROGLIDE 1167116 · TMA659756 | Radius Systems Limited | 6 Metal9 Electronics17 Rubber+2 | Registered | 2006 |