| StemActiv 1913230 · TMA1126102 | LABORATOIRES DELON (1990) INC. | 3 Cosmetics5 Pharmaceuticals | Registered | 2022 |
| STENCIL 1804281 · TMA1025300 | Eclairage Axis Inc. | 11 Lighting | Registered | 2019 |
| STEINCO 1683692 · TMA1047458 | STEINCO Paul vom Stein GmbH | 6 Metal8 Hand17 Rubber+2 | Registered | 2019 |
| STENCIL 1451323 · TMA798399 | Prodigy Design Limited | 9 Electronics42 Science | Registered | 2011 |
| STEMCO 0343371 · TMA184807 · design | Stemco Products, Inc. | 7 Machines12 Vehicles17 Rubber | Registered | 1972 |
| STEMCO 0343370 · TMA184806 | Stemco Products, Inc. | 7 Machines12 Vehicles17 Rubber | Registered | 1972 |
| STEAMACTIV 1454482 · TMA797029 | Kao Kabushiki Kaisha, also trading as Kao Corporation | 3 Cosmetics | Registered | 2011 |
| STENOCARE 2073460 · TMA1219633 | Owner not shown | 5 Pharmaceuticals | Registered | 2024 |
| STENZARIS 1866135 · TMA1067149 | Owner not shown | 5 Pharmaceuticals | Registered | 2019 |
| STANASTIC 2329263 | Owner not listed | 1 Chemicals5 Pharmaceuticals31 Fresh | Pending | 2024 |
| STEINGARTEN 1265656 · TMA668593 | Pernod Ricard Winemakers Pty Ltd | 33 Wine | Registered | 2006 |
| STENOGRAPH 2325260 · TMA1250370 · design | an individual | 9 Electronics16 Paper38 Telecommunications+2 | Registered | 2024 |
| SAOTANGTUI 2236523 · TMA1269889 · design | Owner not listed | 43 Restaurants | Registered | 2024 |
| STEAMCRISP 2236399 · TMA1256903 | SharkNinja Operating LLC | 11 Lighting | Registered | 2024 |
| SIUDANGKA 2232700 · TMA1256610 | an individual | 21 Housewares | Registered | 2024 |
| SITTINGSUITS 2226994 · TMA1243359 | an individual | 24 Textiles25 Clothing | Registered | 2024 |
| SATONAZAL 2225919 · TMA1250211 | Sato Pharmaceutical Co. Ltd. | 5 Pharmaceuticals | Registered | 2024 |
| SKATINGER 2223091 · TMA1272702 · design | Weihai Skatinger Outdoor Products Co. Ltd. | 28 Toys | Registered | 2024 |
| SWTYMIKI 2212820 · TMA1243173 | Changsha Yuanshangcao Technology Co.,Ltd. | 20 Furniture21 Housewares | Registered | 2024 |
| StangH 2201338 · TMA1210198 | Hangzhou Sitang Technology Co.Ltd | 20 Furniture24 Textiles27 Carpets | Registered | 2023 |
| STANGH 2201336 · TMA1210197 · design | Hangzhou Sitang Technology Co.Ltd | 20 Furniture24 Textiles27 Carpets | Registered | 2023 |
| STEMZYME 2199520 · TMA1223875 | The Oncor Corp. | 44 Medical | Registered | 2024 |
| STEMZYME 2199490 · TMA1223873 | The Oncor Corp. | 3 Cosmetics | Registered | 2024 |
| STAINSHIELD 2189783 · TMA1232849 | RUBBERMAID INCORPORATED | 9 Electronics21 Housewares | Registered | 2024 |
| STINGRAY 2185577 · TMA1231486 | an individual | 9 Electronics | Registered | 2024 |