| SILCURE 1977157 · TMA1203475 | Owner not shown | 1 Chemicals | Registered | 2023 |
| SILICURE 0839729 · TMA510130 | Süddekor GmbH | 6 Metal16 Paper17 Rubber | Registered | 1999 |
| SILKSURFACE 1919169 · TMA1202195 | an individual | 10 Medical | Registered | 2023 |
| SILCARE 1755928 · TMA1030202 | Blatchford Products Limited | 10 Medical35 Advertising42 Science+1 | Registered | 2019 |
| SEALSURE 1050820 · TMA590901 | ASP Global Manufacturing GmbH | 1 Chemicals | Registered | 2003 |
| SILCARE 1004760 · TMA580988 | an individual | 1 Chemicals | Registered | 2003 |
| SILICORE 0899281 · TMA525495 | SPENCO MEDICAL CORPORATION A TEXAS CORPORATION | 10 Medical | Registered | 2000 |
| SILICORE 0858497 · TMA500170 · design | Dura-Line LLC, a Delaware Limited Liability Company | 17 Rubber | Registered | 1998 |
| SILICORE 0745301 · TMA436502 | Dura-Line LLC, a Delaware Limited Liability Company | 17 Rubber | Registered | 1994 |
| SILKWARE 0731419 · TMA432493 | DAIKIN INDUSTRIES LTD., (A JAPANESE CORPORATION) | 8 Hand11 Lighting21 Housewares | Registered | 1994 |
| SILOGRAB 2266728 | Owner not listed | 7 Machines | Pending | 2023 |
| SOLSHARE 2148230 | Allume Energy Pty Ltd | 9 Electronics39 Transport | Pending | 2021 |
| 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 |
| 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 |
| SOLGAR 1970158 · TMA1227542 · design | Owner not shown | 5 Pharmaceuticals35 Advertising44 Medical | Registered | 2024 |