| MICROBIOTIC 1270717 · TMA676112 | Guinot, a French societe par actions simplifiee also known as a simple joint stock company | 3 Cosmetics | Registered | 2006 |
| MICROBIO 0862070 · TMA515652 · design | Becker Underwood Limited (a British Company) | 1 Chemicals | Registered | 1999 |
| MicroBloc 2181869 | an individual | 36 Finance37 Construction42 Science | Pending | 2021 |
| MICROFROM 2057001 · TMA1153070 · design | Shenzhen Micro Innovation Industry Co.Ltd. | 9 Electronics | Registered | 2022 |
| MICROBLOK 2048709 · TMA1273724 | Chroma Color Corporation | 5 Pharmaceuticals | Registered | 2024 |
| MICROBRICK 2002341 · TMA1145338 | Siliconix Incorporated | 9 Electronics | Registered | 2022 |
| MICROBIX 1899233 · TMA1169381 | MICROBIX BIOSYSTEMS INC. | 1 Chemicals5 Pharmaceuticals9 Electronics+6 | Registered | 2023 |
| MicroBalm 1852254 · TMA1120097 | an individual | 16 Paper41 Education44 Medical | Registered | 2022 |
| microPROtec 1771735 · TMA1016724 | Kao Kabushiki Kaisha, also trading as Kao Corporation | 3 Cosmetics | Registered | 2019 |
| MICROBIT 1713964 · TMA935135 | Toyo Tire Corporation | 12 Vehicles | Registered | 2016 |
| MICROBOTZ 1616817 · TMA1047770 | Afton Chemical Corporation | 1 Chemicals4 Oils | Registered | 2019 |
| MICROBOTZ 1616816 · TMA1047756 · design | Afton Chemical Corporation | 1 Chemicals4 Oils | Registered | 2019 |
| MICROBOLT 1612510 · TMA876076 | NACHURS ALPINE SOLUTIONS, LLC | 1 Chemicals42 Science44 Medical | Registered | 2014 |
| MICROBLOCK 1169766 · TMA662023 | Alcon Inc. | 9 Electronics | Registered | 2006 |
| MICROBIT 0832926 · TMA522219 | Toyo Tire Corporation | 12 Vehicles | Registered | 2000 |
| MICROBIX 0778455 · TMA495951 | MICROBIX BIOSYSTEMS INC. | 5 Pharmaceuticals9 Electronics16 Paper | Registered | 1998 |
| MICROVISC 0715414 · TMA436171 | an individual | 10 Medical | Registered | 1994 |
| MICROBLOCK 0631261 · TMA390086 | an individual | 1 Chemicals | Registered | 1991 |
| MICROBIX 0533748 · TMA368292 | MICROBIX BIOSYSTEMS INC. | 5 Pharmaceuticals | Registered | 1990 |
| MICROPOSIT 0480216 · TMA288787 | DDP Specialty Electronic Materials US 8, LLC | 1 Chemicals | Registered | 1984 |
| MICROBOND 0434796 · TMA257499 | AMADA MIYACHI AMERICA, INC. | 11 Lighting | Registered | 1981 |
| MICROBOND 0306669 · TMA157863 | The International Group, Inc. (a Delaware corporation) | 2 Paints | Registered | 1968 |
| "MICROBORE" 0193895 · UCA24888 | Microbore Tooling Systems, Ltd. | 7 Machines | Registered | 1947 |
| MICROPOLIS 2315717 · design | Clipland GmbH | 9 Electronics | Pending | 2024 |
| MicroBond 2261188 | Owner not listed | 3 Cosmetics | Pending | 2023 |