| SOLOGEAR 1697928 · TMA928556 | STYLE SOCIETY, SALES AGENCY INC. | 9 Electronics12 Vehicles14 Jewellery | Registered | 2016 |
| SOLEGEAR 1448836 · TMA776485 | Good Natured Products (CAD) Inc. | 35 Advertising40 Treatment | Registered | 2010 |
| SOLGAR 1970158 · TMA1227542 · design | Owner not shown | 5 Pharmaceuticals35 Advertising44 Medical | Registered | 2024 |
| SOLGAR 1970157 · TMA1227540 | Owner not shown | 5 Pharmaceuticals35 Advertising44 Medical | Registered | 2024 |
| SOLGAR 0770107 · TMA476575 · design | Owner not shown | 1 Chemicals5 Pharmaceuticals | Registered | 1997 |
| SOLGAR 0770105 · TMA476574 | Owner not shown | 1 Chemicals5 Pharmaceuticals | Registered | 1997 |
| Soulguard 2327782 | Soulguard apparel Inc. | 25 Clothing | Pending | 2024 |
| SOLUCARE 1979440 · TMA1253367 | Solucycle gestion des matières organiques inc. | 36 Finance37 Construction | Registered | 2024 |
| SOLUCARE 1269814 · TMA676967 | COUVRE-PLANCHERS LABROSSE INC. | 37 Construction | Registered | 2006 |
| SOLSHARE 2148230 | Allume Energy Pty Ltd | 9 Electronics39 Transport | Pending | 2021 |
| SolusGuard 1944528 · TMA1155762 | KASIEL SOLUTIONS INC. | 9 Electronics42 Science | Registered | 2022 |
| SOLIGOR 2240900 · TMA1260114 | Owner not shown | 9 Electronics | Registered | 2024 |
| SILKER 1807370 · TMA1027053 | Owner not shown | 3 Cosmetics | Registered | 2019 |
| SOLEGRA 1653479 · TMA1060212 | Canon Medical Systems USA, Inc. (a California corporation) | 10 Medical | Registered | 2019 |
| SOLCARA 1642398 · TMA919537 | Thomson Reuters Canada Limited | 9 Electronics | Registered | 2015 |
| SOLICOR 1628069 · TMA935310 | Wilsonart LLC | 17 Rubber | Registered | 2016 |
| SOLCARA 1601897 · TMA919535 | Thomson Reuters Canada Limited | 35 Advertising38 Telecommunications39 Transport+2 | Registered | 2015 |
| SOLAGRA 1488251 · TMA864904 | Canadian Agra Holdings Inc. | 1 Chemicals3 Cosmetics6 Metal+11 | Registered | 2013 |
| SÄLZER 1427436 · TMA802777 | Sälzer GmbH | 6 Metal7 Machines9 Electronics+6 | Registered | 2011 |
| SILCAR 1376960 · TMA750259 | Silcar Pty Ltd. | 35 Advertising36 Finance37 Construction+1 | Registered | 2009 |
| SOLUCOR 1368948 · TMA783091 · design | Royal Group, Inc. | 1 Chemicals | Registered | 2010 |
| SOLUCOR 1368945 · TMA783092 | Royal Group, Inc. | 1 Chemicals | Registered | 2010 |
| SULZER 0826704 · TMA509098 | an individual | 1 Chemicals2 Paints3 Cosmetics+13 | Registered | 1999 |
| SYLGARD 0777958 · TMA493209 | DOW CORNING CORPORATION | 1 Chemicals | Registered | 1998 |
| SULZER 0758416 · TMA451877 | an individual | 9 Electronics35 Advertising37 Construction+3 | Registered | 1995 |