| SLOWING 2164698 · TMA1175279 | 12523744 Canada Inc. | 28 Toys35 Advertising | Registered | 2023 |
| SLOWING 2070589 · TMA1161320 | 12523744 Canada Inc. | 9 Electronics25 Clothing26 Sewing+1 | Registered | 2023 |
| SLING 1930727 · TMA1146151 | an individual | 9 Electronics38 Telecommunications41 Education+1 | Registered | 2022 |
| SLING 1930231 · TMA1146150 · design | an individual | 9 Electronics38 Telecommunications41 Education | Registered | 2022 |
| SLING 1446131 · TMA910213 | an individual | 9 Electronics38 Telecommunications | Registered | 2015 |
| SLING 2345295 · design | Sand/e Bag LLC | 21 Housewares | Pending | 2024 |
| SLING 2345294 | Sand/e Bag LLC | 21 Housewares | Pending | 2024 |
| SLING 2225383 | Avian Labs Inc. | 9 Electronics35 Advertising36 Finance+2 | Pending | 2022 |
| SLING 2208173 | Sling Therapeutics, Inc. | 42 Science | Pending | 2022 |
| SOLINK 1990097 | Solink Corporation | 9 Electronics42 Science45 Legal | Pending | 2019 |
| SOLOHANG 1683766 · TMA987209 · design | an individual | 9 Electronics14 Jewellery16 Paper+5 | Registered | 2017 |
| SOLINGEN 1146676 · TMA643426 | an individual | 8 Hand | Registered | 2005 |
| SILANG 2186844 · TMA1261249 · design | SILANG FOOD (HUAI BEI) CO. LTD | 30 Coffee | Registered | 2024 |
| slink 2069816 · TMA1135844 | SLINK, INC | 42 Science | Registered | 2022 |
| SOLMIC 2050572 · TMA1215892 | an individual | 3 Cosmetics5 Pharmaceuticals32 Beer+3 | Registered | 2023 |
| SYLink 1964006 · TMA1242040 | an individual | 9 Electronics42 Science45 Legal | Registered | 2024 |
| SOLUMAG 1728006 · TMA996969 | MAGNESIUM ELEKTRON LIMITED a United Kingdom corporation | 6 Metal | Registered | 2018 |
| SOLINCO 1359637 · TMA792055 · design | Owner not shown | 18 Leather25 Clothing28 Toys | Registered | 2011 |
| SLUNG !! 1334447 · TMA805037 · design | an individual | 6 Metal9 Electronics19 Building | Registered | 2011 |
| SLINGO 1015316 · TMA541027 | Gaming Realms PLC | 9 Electronics | Registered | 2001 |
| SLINK 0881607 · TMA527922 · design | Panasonic Industrial Devices SUNX Co., Ltd. | 9 Electronics | Registered | 2000 |
| SLINGO 0860845 · TMA508714 | Gaming Realms PLC | 9 Electronics28 Toys41 Education | Registered | 1999 |
| SOLINST 0779687 · TMA464335 | SOLINST CANADA LTD. | 9 Electronics35 Advertising | Registered | 1996 |
| SCHELLING 0834052 · TMA517735 | IMA Schelling Austria GmbH | 7 Machines11 Lighting20 Furniture+1 | Registered | 1999 |
| SELENASE 2265243 · TMA1283455 · design | biosyn Arzneimittel GmbH | 5 Pharmaceuticals | Registered | 2025 |