| STONECOR 0852290 · TMA525134 | Castek Environmental Products Inc. | 17 Rubber | Registered | 2000 |
| STONCLAD 0662926 · TMA402559 | Owner not shown | 1 Chemicals19 Building | Registered | 1992 |
| STONCLEAR 1940833 · TMA1141748 | Owner not shown | 17 Rubber19 Building | Registered | 2022 |
| STONECRAFT 1934161 · TMA1175432 · design | an individual | 3 Cosmetics7 Machines8 Hand | Registered | 2023 |
| STONEHOG 1737104 · TMA968749 | Hazelwood Finance Corp. | 7 Machines35 Advertising37 Construction | Registered | 2017 |
| STONEGUARD 1644079 · TMA892405 | Home Depot International, Inc. | 36 Finance | Registered | 2014 |
| STONEGUARD 1462902 · TMA923088 | Home Depot International, Inc. | 19 Building | Registered | 2015 |
| STONEGUARD 1462900 · TMA923074 | Home Depot International, Inc. | 19 Building | Registered | 2015 |
| STONEGARD 1461247 · TMA778812 | THE GOODYEAR TIRE & RUBBER COMPANY (AN OHIO CORPORATION) | 12 Vehicles | Registered | 2010 |
| STONECREEK 1394860 · TMA759175 · design | STONE CREEK RESORTS INC. | 35 Advertising36 Finance37 Construction+3 | Registered | 2010 |
| STONEHOUSE 1391532 · TMA747247 · design | Globe Union Industrial Corp. | 6 Metal11 Lighting16 Paper+2 | Registered | 2009 |
| STONECAST 1253664 · TMA658363 | Boston Traders Licensing Inc. | 25 Clothing | Registered | 2006 |
| STONCOR 1110119 · TMA618493 | Owner not shown | 1 Chemicals2 Paints3 Cosmetics+4 | Registered | 2004 |
| STONEHOUSE 1006491 · TMA561639 | Grafton Apparel Ltd. | 16 Paper24 Textiles25 Clothing+1 | Registered | 2002 |
| STONEKOTE 0746451 · TMA491443 | E.L. STONE COMPANY | 40 Treatment | Registered | 1998 |
| Stonecallers 2166239 · TMA1218556 | Owner not shown | 41 Education | Registered | 2024 |
| STONECHURCH 1092022 · TMA554857 | Stonechurch Vineyards Inc. | 33 Wine | Registered | 2001 |
| STONECUTTER 2280577 | Stonecutter LLC | 33 Wine | Pending | 2023 |
| STENOGRAPH 2325260 · TMA1250370 · design | an individual | 9 Electronics16 Paper38 Telecommunications+2 | Registered | 2024 |
| SAOTANGTUI 2236523 · TMA1269889 · design | Owner not listed | 43 Restaurants | Registered | 2024 |
| STEAMCRISP 2236399 · TMA1256903 | SharkNinja Operating LLC | 11 Lighting | Registered | 2024 |
| SIUDANGKA 2232700 · TMA1256610 | an individual | 21 Housewares | Registered | 2024 |
| SITTINGSUITS 2226994 · TMA1243359 | an individual | 24 Textiles25 Clothing | Registered | 2024 |
| SATONAZAL 2225919 · TMA1250211 | Sato Pharmaceutical Co. Ltd. | 5 Pharmaceuticals | Registered | 2024 |
| SKATINGER 2223091 · TMA1272702 · design | Weihai Skatinger Outdoor Products Co. Ltd. | 28 Toys | Registered | 2024 |