| MICROGEN 1057677 · TMA590900 | Microgen Engine Corporation Limited | 9 Electronics11 Lighting12 Vehicles+2 | Registered | 2003 |
| MICROGEN 0858623 · TMA547227 | MICROGEN BIOPRODUCTS LIMITED | 5 Pharmaceuticals9 Electronics | Registered | 2001 |
| MACROGENICS 2130709 · TMA1229291 | MacroGenics, Inc. | 5 Pharmaceuticals35 Advertising42 Science | Registered | 2024 |
| MICROCNX 2057831 · TMA1145957 | COLDER PRODUCTS COMPANY | 17 Rubber | Registered | 2022 |
| MIKROGEN 1535766 · TMA851918 | Mikrogen GmbH | 1 Chemicals5 Pharmaceuticals40 Treatment+1 | Registered | 2013 |
| MICROSONIC 1403233 · TMA803762 | POSITEC GROUP LIMITED, a legal entity | 7 Machines | Registered | 2011 |
| MICROSEMI 1342944 · TMA762469 | Microsemi Corporation | 9 Electronics | Registered | 2010 |
| MICROSONIC 0541746 · TMA317735 | Schneider Electric USA, Inc. | 9 Electronics | Registered | 1986 |
| MICROGEL 0257240 · TMA120578 | an individual | 4 Oils | Registered | 1960 |
| MICROGEO 2205838 | Astranis Space Technologies Corp. | 9 Electronics38 Telecommunications42 Science | Pending | 2022 |
| MicroHygienics 2072403 · TMA1161364 | 12548704 Canada Inc. | 9 Electronics17 Rubber | Registered | 2023 |
| MICROGAMING 1166024 · TMA624367 | Fusion Holdings Limited | 9 Electronics35 Advertising41 Education | Registered | 2004 |
| MICROGERMES 0868397 · TMA516789 | INDUSTRIE ORKAN INC. | 3 Cosmetics | Registered | 1999 |
| MICROAGE 2132041 · TMA1195823 | FRONTIER TECHNOLOGY, LLC, LIMITED LIABILITY COMPANY ARIZONA | 37 Construction42 Science | Registered | 2023 |
| MicroGold 2125728 · TMA1252151 | Granite Gold, Inc. | 5 Pharmaceuticals | Registered | 2024 |
| MICROSEP 2107501 · TMA1253261 | Fluid Clarification LP | 42 Science | Registered | 2024 |
| Microgifts 2048206 · TMA1125155 | Microgifts Pty Ltd | 9 Electronics | Registered | 2022 |
| MICROCON 1920613 · TMA1101845 · design | RGF Environmental Group, Inc. | 11 Lighting | Registered | 2021 |
| MACROGEST 1880723 · TMA1069035 | Natural Factors Nutritional Products Ltd. | 5 Pharmaceuticals | Registered | 2020 |
| MICROGREEN 1865741 · TMA1053231 | DART CONTAINER CORPORATION | 21 Housewares | Registered | 2019 |
| MICROCELL 1862163 · TMA1033926 | AbbVie Corporation | 10 Medical | Registered | 2019 |
| MICROGUARD 1854371 · TMA1017991 | TEXTILIER INC. | 24 Textiles | Registered | 2019 |
| MICROSEAL 1810268 · TMA1031374 | Micropulse, Inc. | 39 Transport | Registered | 2019 |
| MICROACTIV 1804468 · TMA990859 | Gowan Company, L.L.C. | 5 Pharmaceuticals | Registered | 2018 |
| Microcidin 1796938 · TMA982624 | Naturo Aid Pharmaceutical Inc. | 5 Pharmaceuticals | Registered | 2017 |