| SCITEC 1837125 · TMA1095033 | Owner not shown | 5 Pharmaceuticals6 Metal16 Paper+11 | Registered | 2021 |
| SOITEC 1881425 · TMA1096531 · design | Soitec | 9 Electronics40 Treatment42 Science | Registered | 2021 |
| SCITEX 1815533 · TMA1000661 | Hewlett-Packard Development Company, L.P. | 7 Machines | Registered | 2018 |
| SOITEC 1162218 · TMA635175 | Soitec | 1 Chemicals9 Electronics11 Lighting+4 | Registered | 2005 |
| SCITEX 0498653 · TMA298951 | Hewlett-Packard Development Company a Texas limited partnership | 9 Electronics16 Paper41 Education+1 | Registered | 1985 |
| SqiTech 2080780 · TMA1165974 | sqitech corp. | 9 Electronics | Registered | 2023 |
| SKYTEC 1794973 · TMA1034653 | Globus (Shetland) Limited | 9 Electronics | Registered | 2019 |
| Sewatec 1744814 · TMA948317 | KSB SE & Co. KGaA | 7 Machines | Registered | 2016 |
| SITES 1655244 · TMA927297 | The Board of Regents of the University of Texas System | 37 Construction42 Science44 Medical | Registered | 2016 |
| SUITEQ 1613253 · TMA872286 | SuiteQ Inc. | 35 Advertising38 Telecommunications42 Science | Registered | 2014 |
| Sitek 1539100 · TMA882995 | Betek GmbH & Co. KG | 6 Metal7 Machines12 Vehicles+2 | Registered | 2014 |
| SITECH 1435176 · TMA791978 · design | Trimble Inc. | 37 Construction38 Telecommunications41 Education+1 | Registered | 2011 |
| SITECH 1434500 · TMA791977 | Trimble Inc. | 37 Construction38 Telecommunications41 Education+1 | Registered | 2011 |
| SCITAX 1433648 · TMA768208 | Scitax Advisory Partners LP | 35 Advertising36 Finance42 Science+1 | Registered | 2010 |
| SCHUTZ 1329837 · TMA755607 | Owner not shown | 25 Clothing | Registered | 2009 |
| SCHUTZ 0883859 · TMA526235 · design | Schutz GmbH & Co. KGaA | 6 Metal14 Jewellery16 Paper+2 | Registered | 2000 |
| STEC 0847689 · TMA507041 | an individual | 9 Electronics16 Paper26 Sewing+3 | Registered | 1999 |
| SAITEK 0727505 · TMA447282 | an individual | 5 Pharmaceuticals9 Electronics14 Jewellery+2 | Registered | 1995 |
| SEEDTEC 0638727 · TMA375885 · design | AAK Richmond USA Corp. | 31 Fresh | Registered | 1990 |
| SATEC 0332527 · TMA177253 | SATEC SYSTEMS, INC. | 1 Chemicals2 Paints5 Pharmaceuticals+4 | Registered | 1971 |
| SeaTec 2346282 | Vouvray Acquisition Limited | 9 Electronics35 Advertising37 Construction+5 | Pending | 2023 |
| SITECO 2334016 | Siteco GmbH | 9 Electronics11 Lighting37 Construction+1 | Pending | 2024 |
| Suiteg 2245694 | Owner not listed | 1 Chemicals29 Meat31 Fresh+4 | Pending | 2022 |
| SCSETC 2239282 | SUCCESS ETC TECHNOLOGY CO.LTD | 9 Electronics | Pending | 2023 |
| schatzii 1551617 · TMA860181 | an individual | 6 Metal7 Machines8 Hand+4 | Registered | 2013 |