| SEALPAC 1360895 · TMA766332 · design | Sealpac International B.V. a company organized and existing under the laws of the kingdom of the Netherlands | 7 Machines17 Rubber | Registered | 2010 |
| SELPAK 1846284 · TMA1069624 · design | Owner not shown | 2 Paints16 Paper | Registered | 2020 |
| SILPAC 0294840 · TMA147860 | Owner not shown | 9 Electronics | Registered | 1966 |
| SELFIX 0234505 · TMA106297 | Metrosphere (Davenport) Corp. | 1 Chemicals2 Paints3 Cosmetics+10 | Registered | 1957 |
| SOLOPICK 2021655 · TMA1114660 · design | Guangzhou Michose Tech. Co. LTD. | 35 Advertising | Registered | 2021 |
| SLEEPIQ 1913416 · TMA1109320 | SLEEP NUMBER CORPORATION | 9 Electronics20 Furniture42 Science | Registered | 2021 |
| SULAPAC 1836094 · TMA1053903 | an individual | 3 Cosmetics16 Paper20 Furniture+3 | Registered | 2019 |
| SOLVICE 2322754 | Seletex Information Technology Solutions Inc. | 35 Advertising37 Construction41 Education+1 | Pending | 2024 |
| SELFISH 2030195 | Mr. Knox, LLC | 3 Cosmetics | Pending | 2020 |
| SELLOPACK 1014037 · TMA559462 | CASCADES SONOCO INC. | 1 Chemicals16 Paper | Registered | 2002 |
| 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 |
| SELFKIFFE 2178415 · TMA1227323 · design | an individual | 3 Cosmetics | Registered | 2024 |
| SOLEBASIC 2169448 · TMA1220614 | TOP GLORY TRADING GROUP INC | 25 Clothing | Registered | 2024 |
| SLEEPOS 2161606 · TMA1212264 | Eight Sleep Inc. | 9 Electronics | Registered | 2023 |
| Skullboyz 2135979 · TMA1198915 | 1844365 ALBERTA LTD. | 9 Electronics25 Clothing35 Advertising | Registered | 2023 |
| SOLVISO 2135145 · TMA1197916 | JW Froehlich Maschinenfabrik GmbH | 9 Electronics | Registered | 2023 |