| SLEDGE 2171772 · TMA1201984 | an individual | 28 Toys | Registered | 2023 |
| SLEDGE 2333052 | Milwaukee Electric Tool Corporation | 8 Hand | Pending | 2024 |
| SludgeKat 2046467 | THE GORMAN-RUPP COMPANY | 9 Electronics | Pending | 2020 |
| SKYLODGE 2036869 · TMA1163300 | The Coleman Company, Inc. | 22 Ropes | Registered | 2023 |
| SILEDGN 2248028 · TMA1267252 | Rizhao Zhongxin Electronics Co. Ltd. | 25 Clothing | Registered | 2024 |
| SALTAGE 1890466 · TMA1089691 | IVOCLAR VIVADENT, INC. | 3 Cosmetics5 Pharmaceuticals10 Medical+1 | Registered | 2020 |
| SOLUDOS 1493550 · TMA835048 | Soludos LLC | 25 Clothing | Registered | 2012 |
| SOLIDOGEN 0210060 · UCA39498 | Clariant Produkte (Deutschland) GmbH | 1 Chemicals | Registered | 1951 |
| SLOTOWAYS 2253033 · TMA1222561 | Playtika, Ltd. | 9 Electronics41 Education | Registered | 2024 |
| SLOTSHIFTER 2217228 · TMA1236528 | DraftKings, Inc. | 41 Education | Registered | 2024 |
| SOLytes 2215099 · TMA1245353 | Alberta Veterinary Laboratories Ltd. | 5 Pharmaceuticals | Registered | 2024 |
| SLOTOSTORE 2197778 · TMA1222477 | Playtika, Ltd. | 9 Electronics35 Advertising41 Education | Registered | 2024 |
| SOLIDCORE 2197567 · TMA1222475 | SOLIDCORE ASSETS, LLC | 41 Education | Registered | 2024 |
| soltuus 2191166 · TMA1252363 | Shenzhen Shuotesi E-Commerce Co. Ltd. | 11 Lighting | Registered | 2024 |
| SOLIDIGM 2173327 · TMA1246350 | SK hynix NAND Product Solutions Corp. | 9 Electronics35 Advertising40 Treatment | Registered | 2024 |
| SOLIDSILK 2168889 · TMA1219909 | Earth & Daughter, LLC (DBA No Tox Life) | 3 Cosmetics | Registered | 2024 |
| SLYDEX 2163100 · TMA1188885 | Portes et Fenêtres Tradition ( 2004) inc. | 35 Advertising | Registered | 2023 |
| SOLITECT 2138243 · TMA1219136 | Toray Kabushiki Kaisha (Toray Industries Inc.) | 24 Textiles25 Clothing | Registered | 2024 |
| SOLIDCORE 2128164 · TMA1173978 | SOLIDCORE ASSETS, LLC | 25 Clothing41 Education | Registered | 2023 |
| SLOTOSTORIES 2122134 · TMA1167209 | Playtika, Ltd. | 9 Electronics41 Education | Registered | 2023 |
| Saltstick 2099657 · TMA1160470 | TOKER ENGINEERING LLC | 5 Pharmaceuticals20 Furniture | Registered | 2023 |
| SLATEXPACE 2082305 · TMA1211729 | Clark Richardson & Biskup Consulting Engineers,Inc. | 35 Advertising42 Science | Registered | 2023 |
| Soltes 2064961 · TMA1182472 | Nikon-Essilor Co., Ltd. | 9 Electronics | Registered | 2023 |
| SLTX 2064952 · TMA1168349 | Sigilon Therapeutics, Inc. | 5 Pharmaceuticals | Registered | 2023 |
| SLEDGEHAMMER 2056366 · TMA1129992 · design | an individual | 28 Toys | Registered | 2022 |