| SPERONI 1778621 · TMA991304 | an individual | 29 Meat | Registered | 2018 |
| SPERONI 1648013 · TMA920379 · design | an individual | 29 Meat | Registered | 2015 |
| spheroONE 2177447 · TMA1274122 | Scienion GmbH | 9 Electronics10 Medical42 Science | Registered | 2024 |
| SPIRON 0498251 · TMA283727 | DANFOSS POWER SOLUTIONS II, LLC | 17 Rubber | Registered | 1983 |
| SPHERON 0206843 · UCA36228 | CABOT CORPORATION (A DELAWARE CORPORATION) | 2 Paints | Registered | 1950 |
| SUPERMONEY 0610711 · TMA365774 | LOBLAWS INC. | 16 Paper | Registered | 1990 |
| supernote 2184510 · TMA1233501 | Shanghai Ratta Smart Technology Co.Ltd. | 9 Electronics | Registered | 2024 |
| SPIRONOSE 1788060 · TMA1025768 | Owner not shown | 9 Electronics10 Medical35 Advertising+2 | Registered | 2019 |
| SPIRRONES 1672114 · TMA905635 | Owner not shown | 29 Meat | Registered | 2015 |
| SUPERMONO 2005647 | Owner not shown | 9 Electronics14 Jewellery18 Leather | Pending | 2020 |
| SPHERING 1993444 · TMA1148756 | Owner not shown | 6 Metal11 Lighting17 Rubber+4 | Registered | 2022 |
| Spormine 1982320 · TMA1124278 | Neksportek Corp. | 5 Pharmaceuticals | Registered | 2022 |
| SUPERION 1976881 · TMA1251831 | Allied Machine & Engineering Corporation | 7 Machines | Registered | 2024 |
| SPHEREON 1834691 · TMA1040948 | an individual | 5 Pharmaceuticals | Registered | 2019 |
| SUPERION 1780823 · TMA998127 | Superion Inc. | 35 Advertising37 Construction41 Education+1 | Registered | 2018 |
| SUPERION 1448781 · TMA830544 | VertiFlex, Inc. | 10 Medical | Registered | 2012 |
| SPHERING 1391254 · TMA758981 | SphereMania Ltd a legal entity | 9 Electronics16 Paper28 Toys+1 | Registered | 2010 |
| SUPEREND 1070223 · TMA595636 | Crown Cork & Seal Technologies Corporation, a Delaware corporation | 6 Metal22 Ropes | Registered | 2003 |
| SPHERION 1050153 · TMA590358 | Spherion Staffing, LLC | 35 Advertising41 Education42 Science+1 | Registered | 2003 |
| SPIROMED 1989311 | Aerobit Health Inc | 10 Medical | Pending | 2019 |
| SUPERNET 0916809 | Her Majesty the Queen in Right of the Province of Alberta, as represented by the Minister of Restructuring and Government Efficiency | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 2005 |
| SUPERMODEL 2304846 | Irreverent Labs, Inc. | 9 Electronics35 Advertising41 Education+2 | Pending | 2024 |
| SPERINGEEN 2282740 | an individual | 9 Electronics | Pending | 2023 |
| SUPERROMANCE 0469423 · TMA298373 | Harlequin Enterprises ULC | 16 Paper | Registered | 1984 |
| SPIREN 2190970 · TMA1234669 | an individual | 3 Cosmetics9 Electronics11 Lighting+2 | Registered | 2024 |