| SOILFIX 0726425 · TMA434742 | BASF SE, a German company | 1 Chemicals5 Pharmaceuticals | Registered | 1994 |
| SilFX 1620444 · TMA933545 | Rogers Corporation | 17 Rubber | Registered | 2016 |
| SILFX 1620443 · TMA932678 · design | Rogers Corporation | 17 Rubber | Registered | 2016 |
| SELFIX 0234505 · TMA106297 | Metrosphere (Davenport) Corp. | 1 Chemicals2 Paints3 Cosmetics+10 | Registered | 1957 |
| SALFIX 2327268 · design | an individual | 6 Metal20 Furniture | Pending | 2023 |
| SCALFIX 1750548 · TMA959592 | an individual | 3 Cosmetics5 Pharmaceuticals9 Electronics+6 | Registered | 2017 |
| SOLVIX 2093226 · TMA1164919 | CANVERGE ENTERPRISES INC. | 3 Cosmetics5 Pharmaceuticals35 Advertising+2 | Registered | 2023 |
| SILVOX 1822463 · TMA1000297 | Silvox Technologies Inc. | 40 Treatment | Registered | 2018 |
| SOLFX 1434657 · TMA796784 | Transitions Optical, Inc. a Delaware corporation | 9 Electronics | Registered | 2011 |
| sailfish 2087466 · TMA1234268 | sailfish GmbH | 9 Electronics18 Leather21 Housewares+3 | Registered | 2024 |
| sailfish 1596112 · TMA981813 | sailfish GmbH | 9 Electronics18 Leather21 Housewares+3 | Registered | 2017 |
| SOLFIGA 1801052 · TMA1052361 | TEIJIN KABUSHIKI KAISHA (TEIJIN LIMITED) | 1 Chemicals | Registered | 2019 |
| SELFISH 2030195 | Mr. Knox, LLC | 3 Cosmetics | Pending | 2020 |
| SCHOOLFIX 1698794 · TMA961292 | Gutterpunk LLC | 16 Paper35 Advertising | Registered | 2017 |
| SCHOOLFIX 2183828 | Gutterpunk LLC | 16 Paper35 Advertising | Pending | 2022 |
| SYLPAXXO 2274275 · TMA1285052 | an individual | 5 Pharmaceuticals | Registered | 2025 |
| SOLPEX 2234071 · TMA1254155 · design | SOLPEX Inc. | 37 Construction | Registered | 2024 |
| SLEEPSYNC 2228371 · TMA1247120 | Inspire Medical Systems, Inc. | 42 Science | Registered | 2024 |
| sheilabox 2219363 · TMA1248392 | Humai Household Products (Shenzhen) Co., Ltd. | 14 Jewellery | Registered | 2024 |
| SOLVESEAL 2209035 · TMA1241676 | Alberta Veterinary Laboratories Ltd. | 5 Pharmaceuticals | Registered | 2024 |
| SLVBAKK 2207812 · TMA1282847 · design | Slvbakk Technology Limited | 9 Electronics | Registered | 2025 |
| SLVBACK 2207811 · TMA1282846 · design | Slvbakk Technology Limited | 9 Electronics | Registered | 2025 |
| SELFIESHOW 2203926 · TMA1240000 | Shenzhen Liangdianpai Technology Co., Ltd. | 9 Electronics | Registered | 2024 |
| Shelfgram 2203672 · TMA1271849 | FASG Inc. | 9 Electronics | Registered | 2024 |
| SLEEPYS 2195734 · TMA1284513 | Mattress Firm, Inc. a Delaware Corporation | 18 Leather20 Furniture24 Textiles+1 | Registered | 2025 |