| STROMECTOL 1841450 · TMA1024583 | Merck Sharp & Dohme LLC | 5 Pharmaceuticals | Registered | 2019 |
| STROMER 1548841 · TMA936780 | Owner not shown | 12 Vehicles25 Clothing | Registered | 2016 |
| STROMER 2361957 · design | Owner not shown | 9 Electronics12 Vehicles | Pending | 2024 |
| STREAMFEEDER 0841212 · TMA500034 | Thiele Technologies, Inc. | 7 Machines | Registered | 1998 |
| STREAMWEAVER 0823235 · TMA517454 | PITNEY BOWES INC. | 9 Electronics | Registered | 1999 |
| Starmaker 2208657 · TMA1245196 | an individual | 5 Pharmaceuticals9 Electronics25 Clothing | Registered | 2024 |
| STORMBRACER 2162978 · TMA1232304 | Gentent Safety Canopies LLC | 22 Ropes | Registered | 2024 |
| Stronger 1897564 · TMA1105876 | doTERRA Holdings, LLC | 3 Cosmetics | Registered | 2021 |
| STROMCORE 1809953 · TMA1011758 | Stromcore Energy Inc. | 9 Electronics37 Construction42 Science | Registered | 2018 |
| STRONGBACK 1803592 · TMA989376 | Strongback, LLC | 20 Furniture | Registered | 2018 |
| STREAMER 1766372 · TMA1034942 · design | Daikin Industries, Ltd. | 11 Lighting | Registered | 2019 |
| STR3MER 1743266 · TMA1003469 | str3mer Inc. | 35 Advertising38 Telecommunications41 Education+1 | Registered | 2018 |
| STROMAE 1741883 · TMA986886 · design | an individual | 9 Electronics16 Paper25 Clothing+4 | Registered | 2017 |
| STRONGER 1729745 · TMA944415 | an individual | 35 Advertising42 Science | Registered | 2016 |
| STREAMER 1651221 · TMA944077 | Otkrytoe aktsionernoe obshchestvo 'NPO Streamer' an open joint-stock company organized and existing under the laws of the Russian Federation | 6 Metal9 Electronics17 Rubber+2 | Registered | 2016 |
| STROMADERM 1622571 · TMA881581 | Maple Mountain Group, Inc. | 3 Cosmetics | Registered | 2014 |
| STROMBO 1615148 · TMA950452 | SON HOUSE PRODUCTIONS INC. | 25 Clothing35 Advertising38 Telecommunications+6 | Registered | 2016 |
| STROMBOLINI 1543383 · TMA832888 | Plaisirs Gastronomiques inc. | 30 Coffee | Registered | 2012 |
| STREAMER 1472740 · TMA927852 · design | Daikin Industries, Ltd. | 11 Lighting | Registered | 2016 |
| STROMBOLI 1237592 · TMA792498 | Plaisirs Gastronomiques inc. | 30 Coffee43 Restaurants | Registered | 2011 |
| STARMETER 1130588 · TMA590888 | IMDb.com, Inc. (a Delaware corporation) | 41 Education42 Science | Registered | 2003 |
| STROMBUS 0237933 · TMA106926 | an individual | 4 Oils | Registered | 1957 |
| STROMME 2303498 | an individual | 1 Chemicals2 Paints3 Cosmetics+2 | Pending | 2023 |
| STRONGHER 2012403 | an individual | 41 Education | Pending | 2020 |
| STROMATOLYSER 1399198 · TMA759731 | Sysmex Corporation | 1 Chemicals5 Pharmaceuticals | Registered | 2010 |