| SLUGGO 1171148 · TMA610819 · design | W. NEUDORFF GMBH KG a legal entity | 5 Pharmaceuticals | Registered | 2004 |
| SLUGGO 1171147 · TMA610943 | W. NEUDORFF GMBH KG a legal entity | 5 Pharmaceuticals | Registered | 2004 |
| SLOGGI 0671484 · TMA412003 | an individual | 25 Clothing | Registered | 1993 |
| SLEEK 1839495 · TMA1034235 | Fortune Brands Water Innovations LLC | 11 Lighting21 Housewares | Registered | 2019 |
| SLEEK 1782384 · TMA991784 | Formglas Holdings Inc. | 19 Building | Registered | 2018 |
| SLEEX 1709672 · TMA1026444 | SLEEX LIMITED | 25 Clothing35 Advertising | Registered | 2019 |
| SLG 1647360 · TMA940345 | Owner not shown | 1 Chemicals7 Machines11 Lighting+3 | Registered | 2016 |
| SLEEK 1536550 · TMA860433 | Kimberly-Clark Worldwide, Inc. | 5 Pharmaceuticals | Registered | 2013 |
| SLGI 1473346 · TMA896769 | SUN LIFE ASSURANCE COMPANY OF CANADA | 36 Finance | Registered | 2015 |
| SLEEK 1419173 · TMA792170 | an individual | 14 Jewellery | Registered | 2011 |
| SLEEK 1407919 · TMA785911 | Owner not shown | 25 Clothing | Registered | 2010 |
| SLIGH 1402631 · TMA766917 | Lexington Furniture Industries, Inc. | 20 Furniture | Registered | 2010 |
| SLEEK 1364948 · TMA775141 | Cordis US Corp | 10 Medical | Registered | 2010 |
| SLEEK 0194778 · UCA26829 | BSN MEDICAL LIMITED | 5 Pharmaceuticals | Registered | 1947 |
| SLEK 2236768 · design | Shulei Biotechnology Co. Ltd. | 3 Cosmetics | Pending | 2022 |
| SLGI 2110390 · design | Schneider Laboratories Global, Inc. | 1 Chemicals42 Science45 Legal | Pending | 2021 |
| SLUGU 1992890 · design | SHANGHAI F&J INVESTMENT AND ADMINISTER LTD. | 41 Education | Pending | 2019 |
| SLGO 0918298 | Owner not shown | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 2008 |
| SYLLEGO 1305279 · TMA814583 | Rosetta Inpharmatics LLC | 9 Electronics | Registered | 2011 |
| SLS 2277975 · TMA1281555 | SUGAR LASH INTERNATIONAL INC. | 3 Cosmetics35 Advertising | Registered | 2025 |
| SHELASH 2257817 · TMA1276421 | Binzhou Lizhou Trade Co. Ltd. | 3 Cosmetics | Registered | 2024 |
| SkyLux 2253780 · TMA1272957 | Magna International Inc. | 12 Vehicles | Registered | 2024 |
| SOLAX 2252480 · TMA1274374 · design | SolaX Power Network Technology (Zhejiang) Co. Ltd. | 9 Electronics | Registered | 2024 |
| SLLKEY 2251085 · TMA1271332 | Zhangzhou Zhangkong Trading Co. Ltd. | 21 Housewares | Registered | 2024 |
| Saluaqui 2216177 · TMA1245401 | Shenzhen Yijia Network Technology Co., Ltd. | 3 Cosmetics9 Electronics10 Medical | Registered | 2024 |