| Sinipart 2200298 · TMA1237659 | Guangzhou Yvexiu mujia Trading Co., Ltd | 25 Clothing | Registered | 2024 |
| SUNVERGE 1784641 · TMA972392 | SUNVERGE ENERGY, INC. | 9 Electronics37 Construction38 Telecommunications+3 | Registered | 2017 |
| Sinupret 1499344 · TMA816840 | an individual | 5 Pharmaceuticals | Registered | 2012 |
| SOMAVERT 1151128 · TMA672558 · design | PFIZER INC. | 5 Pharmaceuticals | Registered | 2006 |
| SOMAVERT 1028722 · TMA673038 | PFIZER INC. | 5 Pharmaceuticals | Registered | 2006 |
| Skinport 2268066 | Owner not listed | 35 Advertising38 Telecommunications41 Education | Pending | 2023 |
| Sinborn 2167836 · TMA1213535 | Shenzhen Huoshi Network Technology Co. Ltd. | 28 Toys | Registered | 2023 |
| SAMVERA 1915776 · TMA1116097 | OASIS Open Development Foundation, LLC | 9 Electronics | Registered | 2021 |
| SIMFER 1726642 · TMA965138 · design | Owner not shown | 7 Machines8 Hand11 Lighting+1 | Registered | 2017 |
| SINFIRE 1566456 · TMA901435 | HOOD RIVER DISTILLERS, INC. | 33 Wine | Registered | 2015 |
| SANFERM 1470071 · TMA844612 | Owner not shown | 1 Chemicals | Registered | 2013 |
| SUNFORT 1080918 · TMA568676 | an individual | 1 Chemicals | Registered | 2002 |
| SIMPORT 0846877 · TMA493111 · design | 3088081 CANADA INC. | 40 Treatment | Registered | 1998 |
| SINBAR 0801749 · TMA477747 | TESSENDERLO KERLEY, INC. (A DELAWARE CORPORATION) | 5 Pharmaceuticals | Registered | 1997 |
| SUNEVER 0759593 · TMA446705 | Nissan Chemical Corporation | 1 Chemicals | Registered | 1995 |
| SUNVARA 2021998 | INDIE LLC | 6 Metal20 Furniture21 Housewares+1 | Pending | 2020 |
| SKINFIRST 2182876 · TMA1230369 | The Gillette Company LLC | 8 Hand | Registered | 2024 |
| SYNIVERSE 1202894 · TMA697524 | Syniverse Technologies, LLC | 35 Advertising36 Finance38 Telecommunications+1 | Registered | 2007 |
| SENUVERSITY 2099632 | an individual | 16 Paper35 Advertising41 Education+3 | Pending | 2020 |
| ShineBurky 2259575 · TMA1279341 | Shenzhen RuiQi Network Technology Co. Ltd | 11 Lighting | Registered | 2024 |
| SINOPHARM 2257453 · TMA1276338 · design | China Sinopharm Healthcare Industry Company | 3 Cosmetics5 Pharmaceuticals29 Meat+3 | Registered | 2024 |
| SnapFresh 2207655 · TMA1241530 | Ningbo Winbay Technology Co.,Ltd. | 7 Machines | Registered | 2024 |
| SANPRA 2174748 · TMA1268383 | NIPPON INSTRUMENTS CORPORATION | 9 Electronics | Registered | 2024 |
| SIEMPRE 2167614 · TMA1206594 | Siempre Spirits Limited | 33 Wine | Registered | 2023 |
| SOMNOPRESS 2159379 · TMA1218436 | VITAZAN HERBS & VITAMINS INC. | 5 Pharmaceuticals | Registered | 2024 |