| SPIRALGRID 1178343 · TMA665824 | Canadian Tire Corporation, Limited | 9 Electronics | Registered | 2006 |
| SPERLARI 0523018 · TMA300895 · design | an individual | 30 Coffee | Registered | 1985 |
| SPIRULION 1990216 | Spirulix US, Inc. | 5 Pharmaceuticals29 Meat30 Coffee+1 | Pending | 2019 |
| SPIRALOSKIN 1690382 · TMA1032312 | Airpressure Bodyforming GmbH | 27 Carpets28 Toys35 Advertising+1 | Registered | 2019 |
| SPIRALINK 2181837 · TMA1230267 · design | West by North Industries Ltd. | 7 Machines | Registered | 2024 |
| SpiralTown 2033227 · TMA1156191 | an individual | 36 Finance37 Construction | Registered | 2022 |
| SUPRELORIN 1881667 · TMA1073003 | Virbac (Australia) Pty Ltd | 5 Pharmaceuticals | Registered | 2020 |
| SPIRALEEN 1733376 · TMA977399 | KvG Group Inc. | 3 Cosmetics | Registered | 2017 |
| SPIRALTRAC 1351728 · TMA712133 | ENVIROSEAL ENGINEERING PRODUCTS LTD. | 7 Machines | Registered | 2008 |
| SPIROLINE 0533573 · TMA315515 | an individual | 5 Pharmaceuticals7 Machines9 Electronics+2 | Registered | 1986 |
| SPIRALDYNAMIK 1351840 · TMA724967 | an individual | 41 Education44 Medical | Registered | 2008 |
| SUPERLOCK 2256240 · TMA1274726 · design | L'OREAL | 3 Cosmetics | Registered | 2024 |
| SpiralPlast 2240155 · TMA1255478 | Ashworth Bros., Inc. | 7 Machines | Registered | 2024 |
| SpiralSurf 2240150 · TMA1255476 | Ashworth Bros., Inc. | 7 Machines | Registered | 2024 |
| SpiralFlow 2240145 · TMA1255473 | Ashworth Bros., Inc. | 7 Machines | Registered | 2024 |
| SUPRALON 2184791 · TMA1231411 | PALL CORPORATION | 7 Machines | Registered | 2024 |
| SAVORLIVING 2167541 · TMA1220556 | Guangdong Weiqu International Trading Limited Company | 21 Housewares | Registered | 2024 |
| SPARALLOY 2167421 · TMA1200545 | Spartech LLC | 17 Rubber | Registered | 2023 |
| ScaperLine 2159781 · TMA1274037 | OASE GmbH | 1 Chemicals11 Lighting19 Building+1 | Registered | 2024 |
| SOUPERLICIOUS 2157960 · TMA1207846 · design | Souperlicious Inc. | 43 Restaurants | Registered | 2023 |
| SEPAREL 2156118 · TMA1249559 | DIC Corporation | 7 Machines10 Medical11 Lighting+1 | Registered | 2024 |
| SOUPERLICIOUS 2155599 · TMA1207760 | Souperlicious Inc. | 43 Restaurants | Registered | 2023 |
| SCHIAPARELLI 2130972 · TMA1226863 · design | an individual | 3 Cosmetics9 Electronics14 Jewellery+2 | Registered | 2024 |
| superelephants 2128776 · TMA1193700 | CISSEO ENTERPRISE LTD. | 35 Advertising39 Transport | Registered | 2023 |
| Sporlont 2110820 · TMA1192659 | Dongguan Haoshangjing E-Commerce Co. Ltd. | 9 Electronics21 Housewares | Registered | 2023 |