| STENI 1743425 · TMA947062 | an individual | 19 Building | Registered | 2016 |
| STEIN 1467538 · TMA879996 · design | PENTEL KABUSHIKI KAISHA (ALSO TRADING AS PENTEL CO. LTD. | 16 Paper | Registered | 2014 |
| STEEN 0672748 · TMA401385 · design | Owner not shown | 7 Machines | Registered | 1992 |
| STEIN 0274538 · TMA140684 | VESUVIUS UK LIMITED | 1 Chemicals19 Building | Registered | 1965 |
| STEM 2186980 · TMA1232499 | S.C. Johnson & Son, Inc. | 5 Pharmaceuticals11 Lighting21 Housewares | Registered | 2024 |
| STAN 1978275 · TMA1224060 · design | CANADIAN STANDARDS ASSOCIATION | 9 Electronics35 Advertising38 Telecommunications+3 | Registered | 2024 |
| STAN 1978250 · TMA1224059 | CANADIAN STANDARDS ASSOCIATION | 9 Electronics35 Advertising38 Telecommunications+3 | Registered | 2024 |
| STON 1973576 · TMA1273422 · design | Whippet Innovations LLC | 11 Lighting | Registered | 2024 |
| STAN 1688343 · TMA936546 · design | an individual | 9 Electronics | Registered | 2016 |
| STEM 1530669 · TMA843113 | Stem Marketing Limited | 35 Advertising | Registered | 2013 |
| STEM 1314237 · TMA833127 | Nordstrom, Inc. | 25 Clothing | Registered | 2012 |
| STEM 0656323 · TMA420454 | THE YOKOHAMA RUBBER CO., LTD. | 12 Vehicles | Registered | 1993 |
| STAN 0631928 · TMA379596 | an individual | 10 Medical | Registered | 1991 |
| STEM 2220831 | Kano Computing Limited | 9 Electronics21 Housewares38 Telecommunications+1 | Pending | 2022 |
| STEINA 2083101 · design | Distributions Fillion Marquis International ltée | 2 Paints3 Cosmetics16 Paper | Pending | 2021 |
| STENOA 2055883 | Stenoa Inc. | 9 Electronics44 Medical | Pending | 2020 |
| STENOA 2040373 | Stenoa Inc. | 9 Electronics44 Medical | Pending | 2020 |
| SETON 2197308 · TMA1237371 · design | Brookfield Residential (Alberta) LP. | 37 Construction | Registered | 2024 |
| STONE 2197009 · TMA1239700 · design | Monument Grill LLC | 11 Lighting | Registered | 2024 |
| STEAM 2108243 · TMA1242337 · design | Valve Corporation | 9 Electronics35 Advertising38 Telecommunications+3 | Registered | 2024 |
| SATIN 2069206 · TMA1175647 | SPRING MEADOW NURSERY, INC. | 31 Fresh | Registered | 2023 |
| SIDEN 2066953 · TMA1203814 | Siden, Inc. | 9 Electronics | Registered | 2023 |
| SOTON 1966378 · TMA1122000 · design | Yiwu Soton Daily Necessities Co. Ltd. | 21 Housewares | Registered | 2022 |
| SIDEN 1957169 · TMA1161838 | Siden, Inc. | 38 Telecommunications41 Education42 Science | Registered | 2023 |
| STE2M 1891607 · TMA1114839 · design | New Mexico Institute of Mining and Technology | 41 Education | Registered | 2021 |