| SOLUCAN 2210880 | 10312487 Canada Inc. | 6 Metal40 Treatment42 Science | Pending | 2022 |
| SOLUCAN 2210879 · design | 10312487 Canada Inc. | 6 Metal40 Treatment42 Science | Pending | 2022 |
| SOLCON 1874303 · TMA1080288 · design | Solbar Ningbo Protein Technology Co. Ltd. | 1 Chemicals | Registered | 2020 |
| SOLCHAYN 1676141 · TMA1054885 | an individual | 5 Pharmaceuticals | Registered | 2019 |
| SOLOCAM 2089728 · TMA1224964 | ANKER INNOVATIONS LIMITED, a limited company organized and existing under the laws of Hong Kong | 9 Electronics | Registered | 2024 |
| SOLUCIN 1853262 · TMA1030183 · design | Owner not shown | 5 Pharmaceuticals | Registered | 2019 |
| SOLUCIN 1795462 · TMA1041913 | Owner not shown | 5 Pharmaceuticals | Registered | 2019 |
| SOLJANS 1482751 · TMA794947 | Soljans Wines Limited | 33 Wine | Registered | 2011 |
| SOLKANE 0647176 · TMA406313 | SOLVAY SA | 1 Chemicals | Registered | 1992 |
| SOLSON 1608553 · TMA909359 | an individual | 14 Jewellery | Registered | 2015 |
| SOLOCHAIN 1205428 · TMA648935 | GENERIX GROUP NORTH AMERICA Inc. | 9 Electronics35 Advertising38 Telecommunications+1 | Registered | 2005 |
| SILCON 1025702 · TMA546863 | Schneider Electric IT Corporation | 9 Electronics | Registered | 2001 |
| SILGAN 0682163 · TMA419739 | SILGAN CORPORATION | 6 Metal21 Housewares | Registered | 1993 |
| SLACAN 0453834 · TMA258422 | Slacan Industries Inc. | 3 Cosmetics6 Metal7 Machines+15 | Registered | 1981 |
| SOLUCENT 1880908 · TMA1063313 | Fusion Products Ltd. | 11 Lighting35 Advertising | Registered | 2019 |
| SOLGANAL 0993051 · NFLD3051 | Schering-Plough Canada Inc. | 5 Pharmaceuticals | Registered | 1948 |
| SOLCENIC 0751066 · TMA476382 | an individual | 1 Chemicals | Registered | 1997 |
| SOLCENIC 2292065 · design | Owner not listed | 1 Chemicals4 Oils | Pending | 2023 |
| SCOLIOSCAN 2036938 · TMA1269515 · design | Telefield Medical Imaging Limited | 10 Medical | Registered | 2024 |
| SOLICANADA 1826038 · TMA1006274 · design | Solicanada Inc. | 6 Metal11 Lighting21 Housewares | Registered | 2018 |
| SCOLIOSCAN 1762524 · TMA973965 · design | Telefield Medical Imaging Limited | 10 Medical | Registered | 2017 |
| SILCONY 1962355 · TMA1120423 | an individual | 21 Housewares | Registered | 2022 |
| SOLOCEM 1547672 · TMA885914 | Owner not shown | 5 Pharmaceuticals | Registered | 2014 |
| Silexan 1529371 · TMA947909 | DR. WILLMAR SCHWABE GmbH & CO. | 5 Pharmaceuticals | Registered | 2016 |
| SILJANS 0647681 · TMA380145 | an individual | 30 Coffee | Registered | 1991 |