| Slugger 2183347 · TMA1230464 | ZAYDAN INNOVATIONS INC. | 34 Tobacco | Registered | 2024 |
| SLUGGER 1824487 · TMA1038540 | Wilson Sporting Goods Co. | 9 Electronics10 Medical25 Clothing+1 | Registered | 2019 |
| SLUGGER 1453847 · TMA789730 | Jancy Engineering, Inc. | 7 Machines | Registered | 2011 |
| SLUGGER 0083445 · TMDA20400 · design | Wilson Sporting Goods Co. | 28 Toys | Registered | 1914 |
| SLUGGER 2318690 | Wilson Sporting Goods Co. | 9 Electronics18 Leather25 Clothing+1 | Pending | 2024 |
| SLACKERS 2056896 | Brand 44 Trading LLC | 28 Toys | Pending | 2020 |
| SILOGRASS 1223563 · TMA645462 | an individual | 16 Paper | Registered | 2005 |
| SOLEKERS 2075567 · TMA1208276 · design | OMEKA GLOBAL DIS TICARET LIMITED SIRKETI | 2 Paints3 Cosmetics25 Clothing | Registered | 2023 |
| SLEKER 1989628 · TMA1136212 · design | Werner & Mertz GmbH | 1 Chemicals3 Cosmetics5 Pharmaceuticals+4 | Registered | 2022 |
| SOLGAR 1970158 · TMA1227542 · design | SOCIETE DES PRODUITS NESTLE S.A. | 5 Pharmaceuticals35 Advertising44 Medical | Registered | 2024 |
| SOLGAR 1970157 · TMA1227540 | SOCIETE DES PRODUITS NESTLE S.A. | 5 Pharmaceuticals35 Advertising44 Medical | Registered | 2024 |
| SolGear 1854290 · TMA1019992 | SunWind Solar Industries Inc | 9 Electronics18 Leather28 Toys+2 | Registered | 2019 |
| SOLOGEAR 1697928 · TMA928556 | STYLE SOCIETY, SALES AGENCY INC. | 9 Electronics12 Vehicles14 Jewellery | Registered | 2016 |
| SLIXER 1656780 · TMA912369 | Slixer Entertainment Inc. | 35 Advertising41 Education | Registered | 2015 |
| SLACKER 1349570 · TMA831945 | Slacker, Inc. a Delaware corporation | 9 Electronics38 Telecommunications41 Education | Registered | 2012 |
| SLICKER 1238116 · TMA702760 | Successables Inc. | 28 Toys | Registered | 2007 |
| SOLGAR 0770107 · TMA476575 · design | SOCIETE DES PRODUITS NESTLE S.A. | 1 Chemicals5 Pharmaceuticals | Registered | 1997 |
| SOLGAR 0770105 · TMA476574 | SOCIETE DES PRODUITS NESTLE S.A. | 1 Chemicals5 Pharmaceuticals | Registered | 1997 |
| SLACKER 0628873 · TMA385071 | Mephisto | 25 Clothing | Registered | 1991 |
| SLACKER 2282414 | Slacker LLC | 9 Electronics35 Advertising | Pending | 2023 |
| SLICKER 2269855 | Benjamin Obdyke Incorporated (a corporation of Delaware) | 19 Building | Pending | 2023 |
| SLIKER 2226793 | an individual | 9 Electronics12 Vehicles | Pending | 2022 |