| MICROFINE 1743808 · TMA1070799 | Haddenham Healthcare Limited | 5 Pharmaceuticals9 Electronics10 Medical+2 | Registered | 2020 |
| MICROFINE 1486205 · TMA804812 | an individual | 21 Housewares | Registered | 2011 |
| MICROFENCE 2148875 | Paycom Payroll, LLC | 9 Electronics42 Science | Pending | 2021 |
| MICROPROFILE 2130518 · TMA1257655 | Eclipse.org Foundation, Inc. | 35 Advertising | Registered | 2024 |
| MICROPROFILE 1987638 · TMA1250595 | Eclipse.org Foundation, Inc. | 42 Science | Registered | 2024 |
| MICROBRITE 2243109 · TMA1261752 | Carson Optical, Inc. | 9 Electronics | Registered | 2024 |
| MICROFRANCE 2108656 · TMA1191815 | Integra LifeSciences (Ireland) Limited | 10 Medical | Registered | 2023 |
| MICROBRICK 2002341 · TMA1145338 | Siliconix Incorporated | 9 Electronics | Registered | 2022 |
| MICROFIND 1519989 · TMA870892 · design | an individual | 1 Chemicals5 Pharmaceuticals9 Electronics+1 | Registered | 2014 |
| MICROFILL 1503177 · TMA846413 | Prollenium Medical Technologies, Inc. | 10 Medical | Registered | 2013 |
| MICROPLACE 1377151 · TMA786337 | Microplace, Inc. | 36 Finance | Registered | 2011 |
| MICROFIX 1146762 · TMA745043 | Owner not shown | 10 Medical | Registered | 2009 |
| MICROFIL 1084565 · TMA597742 | an individual | 3 Cosmetics | Registered | 2003 |
| MICROVASIVE 0852541 · TMA578823 | Boston Scientific Limited | 10 Medical | Registered | 2003 |
| MICROFIX 0803537 · TMA475972 | BECKER UNDERWOOD CANADA LTD. | 1 Chemicals | Registered | 1997 |
| MICROFLUTE 0583391 · TMA338279 | INTEPLAST BAGS AND FILMS CORPORATION | 16 Paper17 Rubber | Registered | 1988 |
| MICROVIVE 2252745 | ZeptoMetrix LLC | 5 Pharmaceuticals9 Electronics | Pending | 2023 |
| MICROBALANCE 1530967 · TMA864120 · design | an individual | 5 Pharmaceuticals31 Fresh42 Science | Registered | 2013 |
| microappliance 1247532 · TMA708709 | Before Technology Limited | 9 Electronics | Registered | 2008 |
| MICROVERSE 2170541 · TMA1222270 | CAN TECHNOLOGIES, INC. | 5 Pharmaceuticals | Registered | 2024 |
| MICROFORMER 2161193 · TMA1256236 | Lagree Technologies, Inc. | 28 Toys41 Education | Registered | 2024 |
| MICROPOINT 2062703 · TMA1282154 | Church & Dwight Co. Inc. | 3 Cosmetics5 Pharmaceuticals10 Medical+1 | Registered | 2025 |
| Microvia 2060822 · TMA1131769 | Owner not shown | 1 Chemicals | Registered | 2022 |
| MICROFROM 2057001 · TMA1153070 · design | Shenzhen Micro Innovation Industry Co.Ltd. | 9 Electronics | Registered | 2022 |
| MICROBLATE 2034784 · TMA1127445 | Creo Medical Ltd | 10 Medical | Registered | 2022 |