| STOPPER 0681748 · TMA526488 | SAFETY TECHNOLOGY INTERNATIONAL, INC. | 9 Electronics | Registered | 2000 |
| SCOUTFOR 1522074 · TMA881203 | Owner not shown | 35 Advertising38 Telecommunications39 Transport+2 | Registered | 2014 |
| STAFFORD 1343038 · TMA729453 | Stafford Homes Limited | 35 Advertising36 Finance37 Construction | Registered | 2008 |
| STAFFORD 0644371 · TMA377352 | Penney IP LLC | 18 Leather24 Textiles25 Clothing | Registered | 1990 |
| STAFFORD 0531194 · TMA317146 · design | Unilever Canada Inc. | 2 Paints5 Pharmaceuticals8 Hand+9 | Registered | 1986 |
| STAFFORD 0340854 · TMA187168 · design | Unilever Canada Inc. | 5 Pharmaceuticals11 Lighting18 Leather+3 | Registered | 1972 |
| STAFFORD 0295431 · TMA148625 | Unilever Canada Inc. | 29 Meat30 Coffee32 Beer | Registered | 1966 |
| STAFFORD 2211918 | KOHLER CO. | 11 Lighting | Pending | 2022 |
| STÖBER 0691079 · TMA420244 · design | STOBER Drives, Inc. | 7 Machines9 Electronics12 Vehicles | Registered | 1993 |
| STEPPER 2117369 · design | an individual | 25 Clothing | Pending | 2021 |
| StoPrefab 2109664 · TMA1224289 | STO SE & Co. KGaA | 2 Paints6 Metal17 Rubber+4 | Registered | 2024 |
| STEPRAGE 2202230 · TMA1239816 | Fuzhou Sifei Electronic Commerce Co., Ltd. | 21 Housewares | Registered | 2024 |
| STUBBORNLY 2190097 · TMA1237185 | Sheertex Inc. | 25 Clothing35 Advertising | Registered | 2024 |
| SCOUTPRO 2138825 · TMA1200212 | TearLab Research, Inc. | 10 Medical | Registered | 2023 |
| STAYFROSTY 2129525 · TMA1174034 | Qore Performance Inc. | 21 Housewares | Registered | 2023 |
| STUBYRNA 2091047 · TMA1222006 | GLAXO GROUP LIMITED | 5 Pharmaceuticals | Registered | 2024 |
| STPROTECT 2087098 · TMA1157506 | an individual | 9 Electronics | Registered | 2022 |
| SkatePro 2036139 · TMA1202489 | an individual | 12 Vehicles25 Clothing28 Toys | Registered | 2023 |
| SKATEBOARD 2023330 · TMA1269398 | Rivian IP Holdings, LLC | 7 Machines9 Electronics12 Vehicles | Registered | 2024 |
| StepRising 2015825 · TMA1141168 | Qingdao Kebek Tire Co. Ltd | 12 Vehicles | Registered | 2022 |
| STOVEROTEC 2008411 · TMA1226517 | Verotec GmbH | 6 Metal19 Building | Registered | 2024 |
| STEPPROPEL 1987853 · TMA1254512 | TBL Licensing LLC | 25 Clothing | Registered | 2024 |
| StopRite 1952709 · TMA1148300 | Genuine Parts Company | 12 Vehicles | Registered | 2022 |
| STEFORNO 1923910 · TMA1137994 | Steforno La Fabrique Inc. | 11 Lighting29 Meat30 Coffee+1 | Registered | 2022 |
| SHADOWBRINGERS 1911182 · TMA1105733 | Kabushiki Kaisha Square Enix (also trading as Square Enix Co. Ltd.) | 9 Electronics16 Paper28 Toys+1 | Registered | 2021 |