| ShineTecs 1526317 · TMA834242 | WashTec Holding GmbH, a legal entity | 1 Chemicals3 Cosmetics | Registered | 2012 |
| SHUNDIES 2161837 · TMA1212288 · design | an individual | 25 Clothing | Registered | 2023 |
| SHINDIG 1848438 · TMA1024587 | Blyth Cowbell Brewing Inc. | 3 Cosmetics4 Oils16 Paper+7 | Registered | 2019 |
| SHINDIGZ 1019643 · TMA542568 | STUMP PRINTING COMPANY, INC. | 35 Advertising42 Science | Registered | 2001 |
| SNDOAS 2276620 | GLOBAL ELECTRICAL HK TRADING LIMITED | 11 Lighting | Pending | 2023 |
| SYNDOS 2232276 | Orthofix Medical Inc. | 5 Pharmaceuticals9 Electronics10 Medical | 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 |
| SCINTIX 2250312 · TMA1267442 | Reflexion Medical, Inc. | 9 Electronics10 Medical44 Medical | Registered | 2024 |
| sinotouch 2246771 · TMA1265849 | Owner not listed | 10 Medical | Registered | 2024 |
| SANTCO 2241645 · TMA1241947 | Owner not listed | 37 Construction42 Science | Registered | 2024 |
| sandycoat 2232301 · TMA1254031 | Owner not shown | 1 Chemicals2 Paints19 Building | Registered | 2024 |
| SOUNDSCAPE 2226252 · TMA1209079 | TEMPUR WORLD, LLC | 20 Furniture | Registered | 2023 |
| SoundWise 2223546 · TMA1248847 | an individual | 35 Advertising | Registered | 2024 |
| SANDJEST 2223157 · TMA1249891 | an individual | 21 Housewares | Registered | 2024 |
| SYNTHESIS 2217743 · TMA1248314 · design | Synthesis School, Inc. | 41 Education | Registered | 2024 |
| SYNTHESIS 2217740 · TMA1248313 | Synthesis School, Inc. | 41 Education | Registered | 2024 |
| SANDWOX 2214324 · TMA1244376 · design | CHANGZHOU GUANGMENG TOOLS & HARDWARE CO., LTD | 3 Cosmetics | Registered | 2024 |
| SHOEMEDIC 2209237 · TMA1186840 · design | Shoemedic Inc. | 35 Advertising37 Construction | Registered | 2023 |
| SYNDICATE 2202548 · TMA1242620 · design | Entourage Brands Corp. | 3 Cosmetics5 Pharmaceuticals9 Electronics+8 | Registered | 2024 |
| SYNDICATE 2201191 · TMA1238660 | Entourage Brands Corp. | 3 Cosmetics5 Pharmaceuticals9 Electronics+8 | Registered | 2024 |
| SMOOTHIES 2200827 · TMA1216539 | NOURISSE NATURALS LLC | 10 Medical | Registered | 2023 |
| SUNTECH 2197476 · TMA1216683 · design | SunTech Greenhouses Ltd. | 30 Coffee31 Fresh | Registered | 2024 |