| SMOOTHPROTECT 1780274 · TMA976060 | Edgewell Personal Care Brands, LLC | 8 Hand | Registered | 2017 |
| SMOOTHFLOW 2263494 · TMA1284754 | TYCROP TRAILERS INC. | 12 Vehicles | Registered | 2025 |
| SMOOTHFLO 1649443 · TMA899962 | Linde GmbH | 7 Machines9 Electronics11 Lighting | Registered | 2015 |
| SMOOTHFLOW 1378170 · TMA741293 | G.A. Braun, Inc. | 7 Machines | Registered | 2009 |
| SMOOTHPEEL 1322954 · TMA750080 | Candela Corporation | 10 Medical | Registered | 2009 |
| SMOOTHPLEX 1227062 · TMA797907 | Owner not shown | 3 Cosmetics | Registered | 2011 |
| SMOOTHPULL 2333046 | Milwaukee Electric Tool Corporation | 8 Hand | Pending | 2024 |
| SMOOTHFREE 2267945 | Wave Corporation Company, Limited | 5 Pharmaceuticals29 Meat32 Beer | Pending | 2023 |
| SmoothFit 1891538 · TMA1091330 | Owner not shown | 7 Machines8 Hand9 Electronics+1 | Registered | 2021 |
| SMOOTHBAG 1798289 · TMA983821 | 10055859 Canada Inc. | 20 Furniture | Registered | 2017 |
| SMOOTHIFUL!! 1579433 · TMA968475 | INDUSTRIES LASSONDE INC. | 32 Beer | Registered | 2017 |
| SMOOTHFIT 1418930 · TMA904971 | First Quality Products, Inc. | 5 Pharmaceuticals | Registered | 2015 |
| SMOOTHBACK 1134586 · TMA596199 | BUSHWACKER, INC. | 12 Vehicles | Registered | 2003 |
| SMOOTHFLEX 0811601 · TMA486320 | TRANS CONTINENTAL EQUIPMENT LTD. / ÉQUIPEMENT TRANS CONTINENTAL LTEE. | 6 Metal | Registered | 1997 |
| SmoothFill 2331621 | an individual | 5 Pharmaceuticals44 Medical | Pending | 2024 |
| SANTEVIA 2281396 · TMA1223326 · design | Santevia Water Systems Inc. | 11 Lighting | Registered | 2024 |
| SANDWAVE 2259301 · TMA1277875 | Sandwave Technologies Inc. | 9 Electronics35 Advertising36 Finance+2 | Registered | 2024 |
| SOUNDBAND 2256256 · TMA1276197 | COCHLEAR LIMITED | 10 Medical | Registered | 2024 |
| Sandwave 2249862 · TMA1234047 | Shenzhen Verdewell Technology Limited | 34 Tobacco | Registered | 2024 |
| ScentVR 2238945 · TMA1258344 | an individual | 9 Electronics | Registered | 2024 |
| SCENTIFIC 2229663 · TMA1247128 | Appscent Medical Ltd | 10 Medical42 Science | Registered | 2024 |
| SANDVINE 2198823 · TMA1284535 · design | SANDVINE CORPORATION | 9 Electronics37 Construction38 Telecommunications+1 | Registered | 2025 |
| SKINTOPIC 2156281 · TMA1259360 | an individual | 31 Fresh | Registered | 2024 |
| SOUNDBURST 2127203 · TMA1198872 | Radio Systems Corporation | 9 Electronics | Registered | 2023 |
| Somdiffy 2110524 · TMA1179288 | an individual | 9 Electronics25 Clothing | Registered | 2023 |