| SLICKER 1238116 · TMA702760 | Successables Inc. | 28 Toys | Registered | 2007 |
| SLICKER 2269855 | Benjamin Obdyke Incorporated (a corporation of Delaware) | 19 Building | Pending | 2023 |
| SLACKER 1349570 · TMA831945 | Slacker, Inc. a Delaware corporation | 9 Electronics38 Telecommunications41 Education | Registered | 2012 |
| SLACKER 0628873 · TMA385071 | Mephisto | 25 Clothing | Registered | 1991 |
| SLACKER 2282414 | Slacker LLC | 9 Electronics35 Advertising | Pending | 2023 |
| SLIKER 2226793 | an individual | 9 Electronics12 Vehicles | Pending | 2022 |
| SOLIGOR 2240900 · TMA1260114 | Owner not shown | 9 Electronics | Registered | 2024 |
| SILIKROIL 2233608 · TMA1279087 | Kano Laboratories LLC | 4 Oils | Registered | 2024 |
| Slugger 2183347 · TMA1230464 | ZAYDAN INNOVATIONS INC. | 34 Tobacco | Registered | 2024 |
| SkyWalker 2179208 · TMA1284426 | MicroPort Navibot (Suzhou) Co. Ltd | 10 Medical | Registered | 2025 |
| SKILLSHARE 2174700 · TMA1245086 | Skillshare, Inc. | 9 Electronics35 Advertising38 Telecommunications+2 | Registered | 2024 |
| SKELCORE 2075735 · TMA1210572 | Evolution Group USA LLC | 5 Pharmaceuticals20 Furniture25 Clothing+1 | Registered | 2023 |
| SOLEKERS 2075567 · TMA1208276 · design | OMEKA GLOBAL DIS TICARET LIMITED SIRKETI | 2 Paints3 Cosmetics25 Clothing | Registered | 2023 |
| ScoliCare 2034951 · TMA1144632 | ScoliCare IP Pty Ltd | 41 Education44 Medical | Registered | 2022 |
| Sulgro 2009490 · TMA1141141 | Sultech Global Innovation Corp. | 1 Chemicals | Registered | 2022 |
| SLEKER 1989628 · TMA1136212 · design | Werner & Mertz GmbH | 1 Chemicals3 Cosmetics5 Pharmaceuticals+4 | Registered | 2022 |
| SOLUCARE 1979440 · TMA1253367 | Solucycle gestion des matières organiques inc. | 36 Finance37 Construction | Registered | 2024 |
| SILCURE 1977157 · TMA1203475 | Owner not shown | 1 Chemicals | Registered | 2023 |
| SOLGAR 1970158 · TMA1227542 · design | Owner not shown | 5 Pharmaceuticals35 Advertising44 Medical | Registered | 2024 |
| SOLGAR 1970157 · TMA1227540 | Owner not shown | 5 Pharmaceuticals35 Advertising44 Medical | Registered | 2024 |
| ScoliScreen 1954005 · TMA1179722 | ScoliCare IP Pty Ltd | 9 Electronics | Registered | 2023 |
| SOULGREEN 1952520 · TMA1230831 | Owner not shown | 29 Meat30 Coffee32 Beer+2 | Registered | 2024 |
| SolusGuard 1944528 · TMA1155762 | KASIEL SOLUTIONS INC. | 9 Electronics42 Science | Registered | 2022 |
| SILYZER 1926193 · TMA1122596 | an individual | 9 Electronics40 Treatment42 Science | Registered | 2022 |
| SILKSURFACE 1919169 · TMA1202195 | an individual | 10 Medical | Registered | 2023 |