| SNIFFER 0654604 · TMA399776 | Netscout Systems, Inc. | 9 Electronics | Registered | 1992 |
| SIMFORM 2212333 | MAYA HEAT TRANSFER TECHNOLOGIES LTD. | 9 Electronics42 Science | Pending | 2022 |
| SEMPER 2138082 · TMA1234388 | Cypress Semiconductor Corporation | 9 Electronics | Registered | 2024 |
| SIMPOWER 0697989 · TMA424123 | FINNING INTERNATIONAL INC. | 7 Machines9 Electronics16 Paper+3 | Registered | 1994 |
| SONIFER 2085294 · TMA1210632 · design | Yiwu Boneng Imp & Exp Co. Ltd. | 7 Machines8 Hand11 Lighting+1 | Registered | 2023 |
| SAMVERA 1915776 · TMA1116097 | OASIS Open Development Foundation, LLC | 9 Electronics | Registered | 2021 |
| SIMPURE 1836914 · TMA1074800 | Cargill, Incorporated | 30 Coffee | Registered | 2020 |
| SIMPURE 1807419 · TMA1052795 | SIMPURE IMP. & EXP. LIMITED | 25 Clothing35 Advertising42 Science | Registered | 2019 |
| SINFIRE 1566456 · TMA901435 | HOOD RIVER DISTILLERS, INC. | 33 Wine | Registered | 2015 |
| SANFERM 1470071 · TMA844612 | Owner not shown | 1 Chemicals | Registered | 2013 |
| SINVERT 1339234 · TMA820664 | an individual | 9 Electronics | Registered | 2012 |
| SIMPORT 0846877 · TMA493111 · design | 3088081 CANADA INC. | 40 Treatment | Registered | 1998 |
| SCAMPER 0524225 · TMA301316 | Univar UK Ltd. | 1 Chemicals19 Building | Registered | 1985 |
| SIMPHOR 0483723 · TMA273744 | Owner not shown | 7 Machines9 Electronics42 Science | Registered | 1982 |
| SCAMPER 0390405 · TMA224091 | Brunswick Corporation | 9 Electronics12 Vehicles | Registered | 1977 |
| SIMAPRO 2369484 · design | an individual | 9 Electronics42 Science | Pending | 2024 |
| SimaPro 2369483 | an individual | 9 Electronics42 Science | Pending | 2024 |
| SIMPURE 2276800 · design | an individual | 7 Machines11 Lighting | Pending | 2023 |
| SIMPURE 2275052 | an individual | 7 Machines11 Lighting | Pending | 2023 |
| SEMAFOR 2221136 | Signal Acquisition LLC | 9 Electronics16 Paper35 Advertising+2 | Pending | 2022 |
| 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 |
| Sinipart 2200298 · TMA1237659 | Guangzhou Yvexiu mujia Trading Co., Ltd | 25 Clothing | Registered | 2024 |
| SKINFIRST 2182876 · TMA1230369 | The Gillette Company LLC | 8 Hand | Registered | 2024 |