| SPARTHANE 1937892 · TMA1172990 | Owner not shown | 11 Lighting | Registered | 2023 |
| SPIRATION 1406372 · TMA883008 | Gyrus ACMI, Inc. | 10 Medical | Registered | 2014 |
| SPIRATHERM 0492331 · TMA281380 | SPX FLOW, Inc. | 11 Lighting | Registered | 1983 |
| SPIRATRON 0366617 · TMA199489 | HAMMOND MACHINERY, INC. | 7 Machines | Registered | 1974 |
| SPIRATUBE 0213475 · UCA42790 | FLEXIBLE TECHNOLOGIES, INC. (A DELAWARE CORPORATION) | 17 Rubber | Registered | 1951 |
| SpyraThree 2221247 | Spyra GmbH | 28 Toys | Pending | 2022 |
| SPIRATE 2211093 | OMEGA SA (OMEGA AG) (OMEGA LTD.) | 14 Jewellery | Pending | 2022 |
| SPIRITFARER 1967669 · TMA1244653 | 9300-2665 Québec Inc. | 9 Electronics16 Paper25 Clothing+3 | Registered | 2024 |
| SPIROTAINER 0731369 · TMA439135 | an individual | 6 Metal7 Machines9 Electronics+2 | Registered | 1995 |
| SPIRITLELE 2169690 · TMA1220645 | an individual | 14 Jewellery | Registered | 2024 |
| SPARTAN 2063611 · TMA1172187 | 8040168 CANADA INC. | 12 Vehicles | Registered | 2023 |
| SPARTAN 2025773 · TMA1265108 | STRESS-CRETE HOLDINGS INC. | 6 Metal9 Electronics11 Lighting+3 | Registered | 2024 |
| SPARTAN 1995152 · TMA1152708 | Owner not shown | 29 Meat | Registered | 2022 |
| SPARTAN 1986625 · TMA1072734 · design | Spartan Race, Inc. | 21 Housewares | Registered | 2020 |
| SPARTAN 1986624 · TMA1072731 | Spartan Race, Inc. | 21 Housewares | Registered | 2020 |
| SPARTAN 1928412 · TMA1107877 | Lund Boat Company | 12 Vehicles | Registered | 2021 |
| SPORTCARE 1889261 · TMA1073189 | Unilever Canada Inc. | 3 Cosmetics | Registered | 2020 |
| SPARTAN 1811498 · TMA1102884 | CCL Secure Pty Ltd | 2 Paints9 Electronics16 Paper+3 | Registered | 2021 |
| SPARTAN 1803712 · TMA993791 | Spartan Race, Inc. | 9 Electronics14 Jewellery | Registered | 2018 |
| SPARTAN 1788232 · TMA1029510 | Saint-Gobain Ceramics & Plastics, Inc. | 3 Cosmetics | Registered | 2019 |
| SPARTANX 1775329 · TMA1092744 · design | Spartan Race, Inc. | 9 Electronics28 Toys41 Education | Registered | 2021 |
| SPARTAN 1717432 · TMA1042053 · design | Spartan Race, Inc. | 9 Electronics25 Clothing28 Toys | Registered | 2019 |
| SPORTAN 1708985 · TMA945791 | Sportnav Creative Inc. | 9 Electronics25 Clothing38 Telecommunications+1 | Registered | 2016 |
| SPORTAN 1708971 · TMA945790 · design | Sportnav Creative Inc. | 9 Electronics25 Clothing38 Telecommunications+1 | Registered | 2016 |
| SPARTAN 1694458 · TMA1048197 · design | Saint-Gobain Ceramics & Plastics, Inc. | 3 Cosmetics | Registered | 2019 |