| SINOSURE 1149346 · TMA654961 | CHINA EXPORT & CREDIT INSURANCE CORPORATION | 36 Finance | Registered | 2005 |
| SinusWars 1558919 · TMA893603 | Treveshen Padayachee, SinusWars LLC | 5 Pharmaceuticals | Registered | 2015 |
| SANSURE 2048053 · TMA1182425 · design | Sansure Biotech Inc. | 5 Pharmaceuticals10 Medical | Registered | 2023 |
| SANSURE 2037056 · TMA1182403 · design | Sansure Biotech Inc. | 5 Pharmaceuticals10 Medical | Registered | 2023 |
| SENSSURE 1451518 · TMA831702 | an individual | 41 Education43 Restaurants | Registered | 2012 |
| SENSURA 1288076 · TMA720160 | Owner not shown | 10 Medical | Registered | 2008 |
| SONOSURG 0868842 · TMA615113 | Olympus Corporation | 10 Medical | Registered | 2004 |
| SONGSURFER 1269937 · TMA682434 | SONGSURFER CORPORATION | 35 Advertising38 Telecommunications41 Education | Registered | 2007 |
| SYNCHSURE 1789089 · TMA1025389 | Boehringer Ingelheim Vetmedica GmbH | 5 Pharmaceuticals | Registered | 2019 |
| Sunssar 2179763 · TMA1183260 | Shenzhen Xincheng Times Technology Co. Ltd. | 35 Advertising | Registered | 2023 |
| SINCERO 2152733 · TMA1189900 · design | an individual | 30 Coffee | Registered | 2023 |
| SENSORA 2151277 · TMA1247973 | an individual | 1 Chemicals2 Paints17 Rubber | Registered | 2024 |
| SANISOURCE 2147563 · TMA1203043 | SANISOURCE | 10 Medical | Registered | 2023 |
| Sunssar 2113374 · TMA1181785 | Shenzhen Xincheng Times Technology Co. Ltd. | 9 Electronics | Registered | 2023 |
| SENSERT 2084080 · TMA1215987 | Automatic Timing and Controls, Inc. | 9 Electronics | Registered | 2023 |
| snogurt 2046106 · TMA1148006 | Owner not shown | 29 Meat | Registered | 2022 |
| SINZERO 2032768 · TMA1162059 · design | Owner not shown | 32 Beer | Registered | 2023 |
| SensIR 1988670 · TMA1225575 | Alcohol Countermeasure Systems (International) Inc. | 9 Electronics | Registered | 2024 |
| SYNCOURT 1953011 · TMA1223401 | APT Advanced Polymer Technology Corp. | 19 Building | Registered | 2024 |
| SKIMSURE 1904547 · TMA1107756 | an individual | 9 Electronics18 Leather36 Finance+2 | Registered | 2021 |
| SINGER 1878435 · TMA1071844 | Henry Pratt Company, LLC | 9 Electronics | Registered | 2020 |
| SINGER 1849572 · TMA1071838 · design | Henry Pratt Company, LLC | 9 Electronics | Registered | 2020 |
| SINKSHROOM 1834195 · TMA1008081 | Juka Innovations Corporation | 11 Lighting21 Housewares | Registered | 2018 |
| SIMUCARE 1761465 · TMA1027316 | Simulab Corporation | 9 Electronics | Registered | 2019 |
| SANSAR 1749695 · TMA1053103 | Linden Research, Inc. | 9 Electronics28 Toys35 Advertising+4 | Registered | 2019 |