| SOUNDSTREAM 0558936 · TMA324858 · design | Epsilon Electronics, Inc. (a California Corporation) | 9 Electronics | Registered | 1987 |
| SCENTSTRIP 0550779 · TMA338436 | AKI, Inc. (a Delaware corporation) | 16 Paper | Registered | 1988 |
| SMOOTHSTREAM 2066019 · TMA1278518 | Scotsman Group LLC | 11 Lighting | Registered | 2024 |
| SCENTASTE 2251606 | air up group GmbH | 3 Cosmetics21 Housewares30 Coffee+1 | Pending | 2023 |
| SCENTSATIONS 0733402 · TMA432058 | Crayola Properties, Inc. | 16 Paper | Registered | 1994 |
| SCENTXPRESSO 2351367 | Flowgreens Limited | 3 Cosmetics21 Housewares | Pending | 2024 |
| SCENTSATIONALS 1961850 | Rimports, LLC | 3 Cosmetics4 Oils5 Pharmaceuticals+1 | Pending | 2019 |
| SCENTSCHOOL 2003339 · TMA1206933 | Floral Street Fragrances Limited | 35 Advertising41 Education | Registered | 2023 |
| SCENETAG 1797700 · TMA1021553 | ADEASE MEDIA RESEARCH SERVICES INC. | 9 Electronics35 Advertising42 Science+1 | Registered | 2019 |
| SoundStrap 1797583 · TMA999959 | Soundtrap, Inc. | 17 Rubber | Registered | 2018 |
| SCENTSICLES 1684838 · TMA933136 | Scentsicles Seasonal Products Co. LLC | 28 Toys | Registered | 2016 |
| SCENTS 1668730 · TMA912637 · design | Shurtape Technologies, LLC | 17 Rubber | Registered | 2015 |
| SCENTS 1668729 · TMA912639 | Shurtape Technologies, LLC | 17 Rubber | Registered | 2015 |
| SCENTECH 1664423 · TMA997445 | an individual | 24 Textiles25 Clothing | Registered | 2018 |
| SCENTSY 1504894 · TMA823683 | Scentsy, Inc. | 4 Oils5 Pharmaceuticals11 Lighting+1 | Registered | 2012 |
| SCENTZRO 1444098 · TMA767098 | COTE-RECO INC. | 16 Paper17 Rubber24 Textiles | Registered | 2010 |
| SCANTEAK 1398865 · TMA775884 · design | HAWAII FURNISHING PTE LTD. | 20 Furniture35 Advertising | Registered | 2010 |
| SCENTSATION 0737964 · TMA437374 | TRITAP FOOD BROKER, A DIVISION OF 676166 ONTARIO LIMITED | 5 Pharmaceuticals | Registered | 1994 |
| SUNDSTRÖM 0423841 · TMA242016 · design | an individual | 9 Electronics | Registered | 1980 |
| SCENTZANIA 2340217 · design | JETAIME PERFUMERY PTE. LTD. | 3 Cosmetics | Pending | 2024 |
| scentscape 2290783 | Beijing Yitianshidai Trading Company | 3 Cosmetics | Pending | 2023 |
| SOUNDX 2284034 · TMA1224690 | Spartech LLC | 17 Rubber | Registered | 2024 |
| sindax 2263093 · TMA1281456 | Sindax Electronics Co. Ltd. | 21 Housewares | Registered | 2025 |
| SYNTHOSOL 2257318 · TMA1273184 | Synthomer (UK) Limited | 17 Rubber | Registered | 2024 |
| sinotouch 2250771 · TMA1268887 | Owner not listed | 6 Metal7 Machines | Registered | 2024 |