| SIMPLISYNC 1821325 · TMA1061191 | CUMMINS POWER GENERATION INC. | 9 Electronics | Registered | 2019 |
| SIMPLESPEC 1859999 · TMA1056916 | 3FORM, LLC | 42 Science | Registered | 2019 |
| SIMPLESTACK 2096114 · TMA1187359 | School Specialty, LLC | 20 Furniture | Registered | 2023 |
| SimpleLAN 2183254 · TMA1231290 | 1429481 Ontario Inc.(does business as Pathway Communications) | 9 Electronics38 Telecommunications42 Science | Registered | 2024 |
| SIMPLESTOP 2061053 · TMA1191515 | Future Motion, Inc. | 12 Vehicles | Registered | 2023 |
| SIMPLESEAL 2010674 · TMA1145465 | Kenall Manufacturing Company | 11 Lighting | Registered | 2022 |
| SIMPLESET 1722607 · TMA1007324 | an individual | 9 Electronics | Registered | 2018 |
| SIMPLETEC 1621437 · TMA934346 | ROLF C. HAGEN INC. | 21 Housewares | Registered | 2016 |
| SIMPLESET 1596730 · TMA916609 | 329design Inc. | 9 Electronics25 Clothing41 Education+3 | Registered | 2015 |
| SIMPLEPAC 1463072 · TMA852562 | Owner not shown | 21 Housewares | Registered | 2013 |
| SIMPLEWINS 1405961 · TMA768838 | Owner not shown | 5 Pharmaceuticals10 Medical41 Education+1 | Registered | 2010 |
| SIMPLESAVE 1398876 · TMA765796 · design | Hewlett-Packard Development Company, L.P. | 9 Electronics | Registered | 2010 |
| SIMPLESAVE 1395538 · TMA765175 | Hewlett-Packard Development Company, L.P. | 9 Electronics | Registered | 2010 |
| SIMPLESEAL 0810392 · TMA486253 | TRANS CONTINENTAL EQUIPMENT LTD. / ÉQUIPEMENT TRANS CONTINENTAL LTEE. | 1 Chemicals5 Pharmaceuticals6 Metal+4 | Registered | 1997 |
| SIMPLESET 2268057 | Romac Industries, Inc. | 9 Electronics11 Lighting | Pending | 2023 |
| SIMPLESHOT 2223745 | Cintas Holdings, LLC | 20 Furniture | Pending | 2022 |
| SimplexDNA 2180524 | an individual | 9 Electronics35 Advertising42 Science+1 | Pending | 2022 |
| simpleSwitch 2217775 · TMA1246724 | Simple Switch Canada Ltd. | 9 Electronics | Registered | 2024 |
| SIMPLISTOCK 1966501 · TMA1279698 · design | Retail Space Solutions LLC | 20 Furniture21 Housewares | Registered | 2024 |
| SIMPLISTICA 1945672 · TMA1084496 | Corn Products Development, Inc. | 1 Chemicals5 Pharmaceuticals | Registered | 2020 |
| SIMPLISTICS 1834544 · TMA1054268 | ArcBest IP Holdings, LLC | 35 Advertising37 Construction39 Transport | Registered | 2019 |
| SIMPLESPLIT 1817721 · TMA1065934 | Simple Split Inc. | 9 Electronics42 Science | Registered | 2019 |
| SIMPLECLICK 1766486 · TMA1046460 | Sun Pharmaceutical Industries Limited | 10 Medical | Registered | 2019 |
| SIMPLESTART 1685441 · TMA925914 | NCS MULTISTAGE, LLC | 6 Metal7 Machines37 Construction+1 | Registered | 2016 |
| SIMPLESLIDE 1604891 · TMA935317 | PBM Nutritionals, LLC | 5 Pharmaceuticals | Registered | 2016 |