| STRING 1484761 · TMA907412 | an individual | 20 Furniture | Registered | 2015 |
| STRING 1181752 · TMA631948 | Farrow & Ball Holdings Limited | 2 Paints27 Carpets | Registered | 2005 |
| Stringjoy 2255840 · TMA1273150 | Stringjoy, LLC | 15 Musical | Registered | 2024 |
| STRONGCO 2034020 · TMA1161153 | an individual | 21 Housewares25 Clothing | Registered | 2023 |
| STRINGIT 1979225 · TMA1245908 | Probst Inc. a Delaware corporation | 20 Furniture | Registered | 2024 |
| STRANGKO 1481264 · TMA859613 | Technologies Holdings Corp. | 6 Metal7 Machines9 Electronics+5 | Registered | 2013 |
| SYTRINOL 1176180 · TMA641536 | Ingredients By Nature LLC | 5 Pharmaceuticals | Registered | 2005 |
| STRONGCO 0617485 · TMA389825 · design | Strongco Limited Partnership | 6 Metal | Registered | 1991 |
| STRONGCO 0585955 · TMA389812 · design | Strongco Limited Partnership | 7 Machines12 Vehicles | Registered | 1991 |
| STRONGCO 0555697 · TMA328331 | Strongco Limited Partnership | 7 Machines12 Vehicles | Registered | 1987 |
| STRAINEX 2359715 | WIREMAN PTY LIMITED | 8 Hand | Pending | 2024 |
| STRINGYS 2333952 | STRINGYS, LLC | 25 Clothing | Pending | 2024 |
| STRINGAM 2326441 | Owner not listed | 45 Legal | Pending | 2024 |
| Starinhand 2157460 · TMA1229351 | Shenzhen Panyun Technology Co. Ltd. | 28 Toys | Registered | 2024 |
| STORINATOR 1662219 · TMA976312 | Protocase Inc. | 9 Electronics | Registered | 2017 |
| STRONG 2139149 · TMA1199053 · design | an individual | 25 Clothing | Registered | 2023 |
| STRENEX 1956009 · TMA1227508 | Axalta Coating Systems GmbH | 2 Paints | Registered | 2024 |
| STRAND 1936429 · TMA1132994 | MODAGROUP MTL INC. | 25 Clothing35 Advertising | Registered | 2022 |
| STRONE 1934677 · TMA1143117 · design | Shenzhen Jiufangge Investment Consultation Co. Ltd. | 9 Electronics35 Advertising | Registered | 2022 |
| STRAND 1763159 · TMA959789 · design | Strand Properties Corp | 36 Finance37 Construction | Registered | 2017 |
| STRENX 1734246 · TMA1041470 | an individual | 6 Metal7 Machines12 Vehicles | Registered | 2019 |
| STREN 1631477 · TMA884773 | Pure Fishing, Inc. | 25 Clothing28 Toys | Registered | 2014 |
| STROMBO 1615148 · TMA950452 | SON HOUSE PRODUCTIONS INC. | 25 Clothing35 Advertising38 Telecommunications+6 | Registered | 2016 |
| STREWN 1585742 · TMA866283 · design | STREWN INC. | 33 Wine | Registered | 2013 |
| STREWN 1101557 · TMA577519 | STREWN INC. | 33 Wine | Registered | 2003 |