| SOLIDUS 1933678 · TMA1141525 | CannTx Life Sciences Inc. | 31 Fresh34 Tobacco35 Advertising | Registered | 2022 |
| SOLIDCOS 1874800 · TMA1077258 | Owner not shown | 3 Cosmetics | Registered | 2020 |
| SOLIDOSE 1051864 · TMA593494 | SolidTech Animal Health, Inc. | 5 Pharmaceuticals | Registered | 2003 |
| SOLIDQ 1539934 · TMA854895 · design | an individual | 16 Paper41 Education42 Science | Registered | 2013 |
| SOLUDOS 1493550 · TMA835048 | Soludos LLC | 25 Clothing | Registered | 2012 |
| SOLIDOX 0992385 · NFLD2385 | UNILEVER PLC | 3 Cosmetics | Registered | 1940 |
| SOLIDCAST 2119819 | AMERICAN BATH GROUP, LLC | 11 Lighting | Pending | 2021 |
| SOLIDIGM 2173327 · TMA1246350 | SK hynix NAND Product Solutions Corp. | 9 Electronics35 Advertising40 Treatment | Registered | 2024 |
| SolidCUT 2218871 | Messer Canada Inc. | 7 Machines | Pending | 2022 |
| SOLytes 2215099 · TMA1245353 | Alberta Veterinary Laboratories Ltd. | 5 Pharmaceuticals | Registered | 2024 |
| soltuus 2191166 · TMA1252363 | Shenzhen Shuotesi E-Commerce Co. Ltd. | 11 Lighting | Registered | 2024 |
| Soltes 2064961 · TMA1182472 | Nikon-Essilor Co., Ltd. | 9 Electronics | Registered | 2023 |
| SLIDEX 1705633 · TMA1011453 | CNA Holdings LLC (Limited Liability Company Incorporated in the state of Delaware) | 1 Chemicals | Registered | 2018 |
| Solodko 1681735 · TMA958298 | an individual | 30 Coffee43 Restaurants | Registered | 2016 |
| SOLTUS 1653477 · TMA1060201 | Canon Medical Systems USA, Inc. (a California corporation) | 10 Medical | Registered | 2019 |
| SOLITEC 1485815 · TMA852547 | ASK Chemicals GmbH | 1 Chemicals2 Paints | Registered | 2013 |
| Solitex 1278611 · TMA687962 | Biologische Insel Lothar Moll GmbH & Co. KG | 1 Chemicals17 Rubber19 Building | Registered | 2007 |
| SLIDEX 0725046 · TMA457561 · design | Richelieu Hardware Ltd. | 28 Toys | Registered | 1996 |
| SOLTIS 0695755 · TMA417346 | Owner not shown | 24 Textiles | Registered | 1993 |
| SLIDEK 2196014 · design | an individual | 28 Toys | Pending | 2022 |
| SOLIDCORE 2197567 · TMA1222475 | SOLIDCORE ASSETS, LLC | 41 Education | Registered | 2024 |
| SOLIDSILK 2168889 · TMA1219909 | Earth & Daughter, LLC (DBA No Tox Life) | 3 Cosmetics | Registered | 2024 |
| SOLIDCORE 2128164 · TMA1173978 | SOLIDCORE ASSETS, LLC | 25 Clothing41 Education | Registered | 2023 |
| SolidTech 2026276 · TMA1134934 | Cantrio Koncepts Inc | 11 Lighting | Registered | 2022 |
| SOLIDOGEN 0210060 · UCA39498 | Clariant Produkte (Deutschland) GmbH | 1 Chemicals | Registered | 1951 |