| STACKATHON 2163728 · TMA1228895 · design | NIIT Limited | 9 Electronics16 Paper41 Education+1 | Registered | 2024 |
| STACKT 1824509 · TMA1029092 | STACKT INC. | 35 Advertising36 Finance41 Education+1 | Registered | 2019 |
| STACKATO 1751967 · TMA968727 | Hewlett Packard Enterprise Development LP | 42 Science | Registered | 2017 |
| STACKIT 1607475 · TMA922551 | The Smead Manufacturing Company | 16 Paper | Registered | 2015 |
| STOCKADE 1574609 · TMA898379 | ILLINOIS TOOL WORKS INC. | 6 Metal7 Machines | Registered | 2015 |
| StackStar 2345254 | an individual | 7 Machines9 Electronics | Pending | 2024 |
| Stacked 2266047 | Stacked Franchising Ltd. | 43 Restaurants | Pending | 2023 |
| SWEETCOTT 2240831 · TMA1260098 | an individual | 31 Fresh | Registered | 2024 |
| SodaKid 2191382 · TMA1203252 | an individual | 1 Chemicals37 Construction | Registered | 2023 |
| SKETCHIT 2177565 · TMA1261198 | Owner not shown | 9 Electronics28 Toys41 Education | Registered | 2024 |
| SHATSHAT 2160885 · TMA1212217 · design | Top Line Food Company (Mounir Fahmy Morcos & Partner) | 29 Meat | Registered | 2023 |
| SOTYKTU 2147441 · TMA1214395 | BRISTOL-MYERS SQUIBB COMPANY | 5 Pharmaceuticals | Registered | 2023 |
| ShotStop 2138596 · TMA1232160 | Oskar Frech GmbH + Co. KG | 7 Machines9 Electronics | Registered | 2024 |
| SCCDCD 2089596 · TMA1168860 | an individual | 21 Housewares | Registered | 2023 |
| #SEWTOGETHER 2080298 · TMA1197599 | Gavrieli Brands LLC | 35 Advertising | Registered | 2023 |
| SITSTAR 2073425 · TMA1191552 · design | ZHEJIANG RUNDA KEHONG FURNITURECO.LTD. | 20 Furniture | Registered | 2023 |
| #STICKTOYOURMISSION 2037465 · TMA1121712 | Drip Drop Hydration Inc. | 5 Pharmaceuticals32 Beer44 Medical | Registered | 2022 |
| SIDESTEP 2030464 · TMA1210447 | Eclairage Axis Inc. | 11 Lighting | Registered | 2023 |
| STAYCATION 2019162 · TMA1131680 | an individual | 32 Beer | Registered | 2022 |
| STASHTRAY 2018905 · TMA1263750 | an individual | 12 Vehicles | Registered | 2024 |
| STACCATO 1990014 · TMA1239308 | Shenzhen Nanchen Technology Co.Ltd. | 11 Lighting | Registered | 2024 |
| SITSIT 1973683 · TMA1240716 | Sitsit Inc. | 9 Electronics42 Science | Registered | 2024 |
| STACKTV 1966854 · TMA1234121 · design | Corus Entertainment Inc. | 38 Telecommunications | Registered | 2024 |
| STACKTV 1966853 · TMA1234122 | Corus Entertainment Inc. | 38 Telecommunications | Registered | 2024 |
| SWITCHDOCTOR 1964007 · TMA1165197 | an individual | 9 Electronics35 Advertising | Registered | 2023 |