| StandardAid 2010756 · TMA1262340 | an individual | 41 Education | Registered | 2024 |
| STANDALONE 1798194 · TMA990287 | Benefits by Design Inc. | 16 Paper36 Finance | Registered | 2018 |
| STANDIN 1723246 · TMA1007288 · design | an individual | 9 Electronics | Registered | 2018 |
| STANDARDAI 2192873 | Standard Cognition, Corp. | 9 Electronics37 Construction42 Science | Pending | 2022 |
| STANDARDAI 2071450 | Standard Cognition, Corp. | 9 Electronics37 Construction42 Science | Pending | 2020 |
| STEAMTEC 2261817 · TMA1281300 · design | Shenzhen TOLO Leisure Equipment Co. Limited | 11 Lighting | Registered | 2025 |
| STANDECZA 2171581 · TMA1200586 | Owner not shown | 5 Pharmaceuticals38 Telecommunications42 Science+1 | Registered | 2023 |
| StoneDam 2161295 · TMA1211167 | Dongguan Heyi Trading Co. Ltd. | 28 Toys | Registered | 2023 |
| STENDMAR 2125154 · TMA1170313 · design | BESCO USA, INC. | 20 Furniture | Registered | 2023 |
| SoTomaté!! 2119066 · TMA1201392 | Tomaté!! Inc. | 29 Meat30 Coffee31 Fresh+2 | Registered | 2023 |
| STEINDER 2111895 · TMA1192720 | Favonex Korea Ltd. | 8 Hand | Registered | 2023 |
| STANDOFF 2108237 · TMA1225853 | AXLEBOLT | 9 Electronics41 Education | Registered | 2024 |
| SIDANDE 2102299 · TMA1174934 · design | Shenzhen Diguang Imaging Technology Co. Ltd. | 9 Electronics | Registered | 2023 |
| STAINMATE 2077197 · TMA1205930 | an individual | 7 Machines | Registered | 2023 |
| STM32Trust 2042854 · TMA1209350 | an individual | 9 Electronics | Registered | 2023 |
| STANDARTPARK 2033624 · TMA1191445 · design | Owner not shown | 6 Metal17 Rubber19 Building | Registered | 2023 |
| SITEMATE 2033515 · TMA1150367 | Sitemate Technologies IP Pty Ltd | 9 Electronics42 Science | Registered | 2022 |
| STANTUM 2026742 · TMA1158977 | STANTUM, LLC | 36 Finance41 Education | Registered | 2023 |
| STIMIT 2022824 · TMA1233184 | an individual | 9 Electronics10 Medical35 Advertising+3 | Registered | 2024 |
| STENDERS 2000918 · TMA1116907 | an individual | 3 Cosmetics16 Paper35 Advertising | Registered | 2022 |
| STONITEX 1978108 · TMA1245879 · design | an individual | 19 Building | Registered | 2024 |
| SIDEWINDER 1970513 · TMA1276636 | Camco Manufacturing, LLC | 20 Furniture | Registered | 2024 |
| STEMTREE 1965839 · TMA1231887 | Stemtree Franchising, LLC DBA Stemtree Education Center | 41 Education | Registered | 2024 |
| STONITEX 1952485 · TMA1194161 | an individual | 19 Building39 Transport | Registered | 2023 |
| STANDBYMD 1946874 · TMA1167430 | Healthcare Concierge Services, Inc. | 35 Advertising36 Finance44 Medical | Registered | 2023 |