| SEALGARD 1912906 · TMA1086032 | Liqui-Box Corporation | 16 Paper | Registered | 2020 |
| SEALGUARD 1685734 · TMA930987 · design | HANKOOK TIRE & TECHNOLOGY CO. LTD. | 12 Vehicles | Registered | 2016 |
| SYLGARD 0777958 · TMA493209 | DOW CORNING CORPORATION | 1 Chemicals | Registered | 1998 |
| SKULLGARD 0383398 · TMA211536 | MSA TECHNOLOGY, LLC | 9 Electronics | Registered | 1976 |
| ScoliCare 2034951 · TMA1144632 | ScoliCare IP Pty Ltd | 41 Education44 Medical | Registered | 2022 |
| 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 |
| ScoliCare 1827177 · TMA1023983 | ScoliCare IP Pty Ltd | 9 Electronics10 Medical28 Toys+4 | Registered | 2019 |
| SOLEGRA 1653479 · TMA1060212 | Canon Medical Systems USA, Inc. (a California corporation) | 10 Medical | Registered | 2019 |
| SOLEGEAR 1448836 · TMA776485 | Good Natured Products (CAD) Inc. | 35 Advertising40 Treatment | Registered | 2010 |
| SILKGUARD 1363756 · TMA872947 | KIK HOLDCO COMPANY INC. | 1 Chemicals | Registered | 2014 |
| SOLGAR 0770107 · TMA476575 · design | Owner not shown | 1 Chemicals5 Pharmaceuticals | Registered | 1997 |
| SOLGAR 0770105 · TMA476574 | Owner not shown | 1 Chemicals5 Pharmaceuticals | Registered | 1997 |
| SALCARE 0617674 · TMA389826 | BASF SE, a German company | 1 Chemicals | Registered | 1991 |
| Soulguard 2327782 | Soulguard apparel Inc. | 25 Clothing | Pending | 2024 |
| ShyLizard 2305862 | an individual | 28 Toys | Pending | 2024 |
| SOLIGOR 2240900 · TMA1260114 | Owner not shown | 9 Electronics | Registered | 2024 |
| SILIKROIL 2233608 · TMA1279087 | Kano Laboratories LLC | 4 Oils | Registered | 2024 |
| SlickRunner 2227550 · TMA1252700 | an individual | 25 Clothing | 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 |
| Sulgro 2009490 · TMA1141141 | Sultech Global Innovation Corp. | 1 Chemicals | Registered | 2022 |