| StrongTek 2156315 · TMA1262677 | an individual | 28 Toys | Registered | 2024 |
| Stronger 1897564 · TMA1105876 | doTERRA Holdings, LLC | 3 Cosmetics | Registered | 2021 |
| STRONGER 1729745 · TMA944415 | an individual | 35 Advertising42 Science | Registered | 2016 |
| STRONGID 0669087 · TMA391394 | Zoetis Services LLC | 5 Pharmaceuticals | Registered | 1991 |
| STRANGLER 0250995 · TMA117031 | WATERAX INC. | 6 Metal17 Rubber | Registered | 1960 |
| STRONGLAS 0135709 · TMDA42182 | CANADIAN THERMOS PRODUCTS INC. | 21 Housewares | Registered | 1927 |
| STRONGHER 2012403 | an individual | 41 Education | Pending | 2020 |
| STRONGSIDE 2121470 · TMA1196695 | COMO DIFFUSION (2008) INC. | 25 Clothing | Registered | 2023 |
| STRONGLOCK 2076044 · TMA1178786 | Heavy Equipment Machinery, Inc. | 7 Machines | Registered | 2023 |
| Strongband 2009614 · TMA1129185 | an individual | 26 Sewing | Registered | 2022 |
| Stronghold 1979030 · TMA1148644 | Stronghold Insulation Systems, Inc. | 17 Rubber | Registered | 2022 |
| STRONGWEAR 1950363 · TMA1212611 | A7 Fitness, Inc. | 10 Medical25 Clothing28 Toys | Registered | 2023 |
| STRONGHOLD 1920134 · TMA1097811 | Gowan Company, L.L.C. | 5 Pharmaceuticals | Registered | 2021 |
| STRONGLINK 1803605 · TMA1045031 | StrongBox Data Solutions, Inc. | 9 Electronics35 Advertising38 Telecommunications+1 | Registered | 2019 |
| STRONGVIEW 1733662 · TMA951658 | Selligent, Inc. | 9 Electronics35 Advertising38 Telecommunications+1 | Registered | 2016 |
| STRONGBODY 1706656 · TMA986670 | Strongbody Apparel Inc. | 21 Housewares25 Clothing35 Advertising | Registered | 2017 |
| STRONGHOLD 1600909 · TMA889117 · design | HANGZHOU TIANHENG MACHINERY CO. LTD. | 6 Metal7 Machines8 Hand+5 | Registered | 2014 |
| STRONGHOLD 1521526 · TMA850291 | Fastenal IP Company | 6 Metal7 Machines17 Rubber+1 | Registered | 2013 |
| STRONGHOLD 1294059 · TMA692376 | KOHLER CO. a corporation organized and existing under the laws of the State of Wisconsin | 11 Lighting | Registered | 2007 |
| STRONGHOLD 1012950 · TMA558493 | Schlage Lock Company LLC | 6 Metal | Registered | 2002 |
| STRONGHOLD 0683409 · TMA414753 | an individual | 24 Textiles | Registered | 1993 |
| StrongWind 2278885 | 14524560 Canada Inc. | 7 Machines | Pending | 2023 |
| STRONGFEEL 2146774 | Lululemon Athletica Canada Inc. | 25 Clothing | Pending | 2021 |
| STRONGHOLD 2131396 | an individual | 37 Construction40 Treatment42 Science | Pending | 2021 |
| STRONGHOLD 1973710 | PANDUIT CORP. | 6 Metal9 Electronics16 Paper+1 | Pending | 2019 |