| STRONGLED 2005121 · TMA1229229 · design | StrongLED Lighting Systems (Suzhou) Co. Ltd. | 9 Electronics11 Lighting | Registered | 2024 |
| Stronger 1897564 · TMA1105876 | doTERRA Holdings, LLC | 3 Cosmetics | Registered | 2021 |
| STRONGER 1729745 · TMA944415 | an individual | 35 Advertising42 Science | Registered | 2016 |
| STRONGHER 2012403 | an individual | 41 Education | Pending | 2020 |
| STRONGWEAR 1950363 · TMA1212611 | A7 Fitness, Inc. | 10 Medical25 Clothing28 Toys | Registered | 2023 |
| .STRANDBERG* 1823609 · TMA1018978 | an individual | 15 Musical | Registered | 2019 |
| StrongTek 2156315 · TMA1262677 | an individual | 28 Toys | Registered | 2024 |
| STRONGMOR 1899475 · TMA1103826 · design | TJ TRADING CO. INC. | 1 Chemicals16 Paper17 Rubber | Registered | 2021 |
| StormHandler 1711259 · TMA1000435 | St. Marys Cement Inc. (Canada) | 19 Building | Registered | 2018 |
| STRONGHOLDER 1503535 · TMA877646 | Huhtamaki, Inc. | 21 Housewares | Registered | 2014 |
| STRANGKO 1481264 · TMA859613 | Technologies Holdings Corp. | 6 Metal7 Machines9 Electronics+5 | Registered | 2013 |
| STRANDEX 1218674 · TMA640356 | Strandex Corporation (Wisconsin Corporation) | 19 Building | Registered | 2005 |
| STRONGHOLDER 0423772 · TMA236226 | Huhtamaki, Inc a Kansas corporation | 21 Housewares | Registered | 1979 |
| STRONGLAS 0135709 · TMDA42182 | CANADIAN THERMOS PRODUCTS INC. | 21 Housewares | Registered | 1927 |
| StrongTerra 2013599 · TMA1263680 | Floratine Products Group, Inc. | 1 Chemicals5 Pharmaceuticals | Registered | 2024 |
| STRONGHEART 0195550 · UCA28512 | Big Heart Pet, Inc. | 31 Fresh | Registered | 1947 |
| STRONGLOCK 2076044 · TMA1178786 | Heavy Equipment Machinery, Inc. | 7 Machines | Registered | 2023 |
| StringTech 1986548 · TMA1249354 | Owner not shown | 9 Electronics | Registered | 2024 |
| STRONGHORN 1829610 · TMA1033696 | an individual | 28 Toys | Registered | 2019 |
| STRONGLINK 1803605 · TMA1045031 | StrongBox Data Solutions, Inc. | 9 Electronics35 Advertising38 Telecommunications+1 | Registered | 2019 |
| STRAINSEEK 1790904 · TMA978874 | Medicinal Genomics Corporation | 42 Science | Registered | 2017 |
| STRONGVIEW 1733662 · TMA951658 | Selligent, Inc. | 9 Electronics35 Advertising38 Telecommunications+1 | Registered | 2016 |
| STRANDSEAL 0622754 · TMA363958 | Pirelli Cables and Systems Inc./Cables et Systemes Pirelli Inc. | 9 Electronics | Registered | 1989 |
| STRONGFEEL 2146774 | Lululemon Athletica Canada Inc. | 25 Clothing | Pending | 2021 |
| STRONGERBC 0927501 | Her Majesty the Queen in right of the Province of British Columbia, as represented by the Minister of Finance, Government Communications and Public Engagement | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 2022 |