| SIMPLESPEC 1859999 · TMA1056916 | 3FORM, LLC | 42 Science | Registered | 2019 |
| SimpleTK 2045645 · TMA1150419 | Fitudio Inc. | 9 Electronics | Registered | 2022 |
| SIMPLESET 1722607 · TMA1007324 | an individual | 9 Electronics | Registered | 2018 |
| SIMPLESET 1596730 · TMA916609 | 329design Inc. | 9 Electronics25 Clothing41 Education+3 | Registered | 2015 |
| SIMPLETAP 1596266 · TMA881738 | Belkin International, Inc. | 9 Electronics | Registered | 2014 |
| SimpleTax 1589860 · TMA859479 | SIMPLETAX SOFTWARE INC. | 9 Electronics35 Advertising | Registered | 2013 |
| SIMPLEE 1557274 · TMA853613 | Simplee Brands Corp. | 35 Advertising41 Education43 Restaurants | Registered | 2013 |
| SIMPLEPAC 1463072 · TMA852562 | Owner not shown | 21 Housewares | Registered | 2013 |
| SIMPLERES 1402232 · TMA765501 | Marshall Anderson Tours Ltd. | 35 Advertising39 Transport41 Education+1 | Registered | 2010 |
| SIMPLITEL 0863791 · TMA517682 | an individual | 9 Electronics16 Paper38 Telecommunications | Registered | 1999 |
| SIMPLATE 0815217 · TMA490494 | an individual | 5 Pharmaceuticals | Registered | 1998 |
| SIMPLESET 2268057 | Romac Industries, Inc. | 9 Electronics11 Lighting | Pending | 2023 |
| SIMPLESTACK 2096114 · TMA1187359 | School Specialty, LLC | 20 Furniture | Registered | 2023 |
| SIMPLEBITES 1660155 · TMA909874 | Quinoa Corporation | 30 Coffee | Registered | 2015 |
| SIMPLETREAD 1510918 · TMA817421 | Moulure Alexandria Moulding Inc. | 19 Building | Registered | 2012 |
| SIMPLESTEAM 2222385 | Delta Faucet Company | 9 Electronics11 Lighting | Pending | 2022 |
| SIMPLETRACK 2064642 | eSolutionsGroup Limited | 42 Science | Pending | 2020 |
| simpletome 2062421 · TMA1173252 | SHENZHEN YOUPIN HOUSEWARE CO. LTD. | 21 Housewares | Registered | 2023 |
| SIMPLESTOP 2061053 · TMA1191515 | Future Motion, Inc. | 12 Vehicles | Registered | 2023 |
| SIMPLESEAL 2010674 · TMA1145465 | Kenall Manufacturing Company | 11 Lighting | Registered | 2022 |
| SIMPLESYNC 2002797 · TMA1258873 | BOSE CORPORATION | 9 Electronics | Registered | 2024 |
| SIMPLECOTE 1566769 · TMA895217 | THE EMPIRE LIFE INSURANCE COMPANY | 9 Electronics | Registered | 2015 |
| SIMPLEFLEX 0810482 · TMA473923 | TRANS CONTINENTAL EQUIPMENT LTD. / ÉQUIPEMENT TRANS CONTINENTAL LTEE. | 6 Metal35 Advertising | Registered | 1997 |
| SIMPLETAPE 0810481 · TMA474437 | TRANS CONTINENTAL EQUIPMENT LTD. / ÉQUIPEMENT TRANS CONTINENTAL LTEE. | 1 Chemicals6 Metal20 Furniture+1 | Registered | 1997 |
| SIMPLESEAL 0810392 · TMA486253 | TRANS CONTINENTAL EQUIPMENT LTD. / ÉQUIPEMENT TRANS CONTINENTAL LTEE. | 1 Chemicals5 Pharmaceuticals6 Metal+4 | Registered | 1997 |