| SPEEDBALL 0163686 · UCA2340 | Speedball Art Products Co. L.L.C. | 16 Paper | Registered | 1934 |
| SOFTBELL 1819850 · TMA1054761 | Hyper Wear, Inc. | 28 Toys | Registered | 2019 |
| SVITBAG 2339814 | Owner not listed | 28 Toys | Pending | 2024 |
| Softband 2160644 · TMA1246313 | an individual | 9 Electronics25 Clothing | Registered | 2024 |
| SwiftBrace 2142289 · TMA1201541 | SwiftBrace | 10 Medical | Registered | 2023 |
| SOFTBANK 2014039 · TMA1212784 · design | Softbank Group Corp. | 35 Advertising36 Finance | Registered | 2023 |
| SPITFIRE 1966581 · TMA1194136 | Parsons Xtreme Golf, LLC | 28 Toys | Registered | 2023 |
| SPOTBOT 1883109 · TMA1117070 | ShockWatch, Inc. | 9 Electronics | Registered | 2022 |
| SOFTBANK 1810267 · TMA1128147 · design | Softbank Group Corp. | 7 Machines9 Electronics10 Medical+6 | Registered | 2022 |
| SPITFIRE 1800453 · TMA990088 | an individual | 9 Electronics13 Firearms | Registered | 2018 |
| SOFTBANK 1687487 · TMA1044959 · design | Softbank Group Corp. | 9 Electronics21 Housewares | Registered | 2019 |
| SOFTBANK 1645137 · TMA1044958 · design | Softbank Group Corp. | 9 Electronics21 Housewares36 Finance+5 | Registered | 2019 |
| SPITFIRE 1524004 · TMA833137 | Shepherd Neame Limited | 32 Beer | Registered | 2012 |
| SpotPass 1519421 · TMA874539 | NINTENDO OF AMERICA INC. | 38 Telecommunications | Registered | 2014 |
| SpotPass 1519418 · TMA874538 | NINTENDO OF AMERICA INC. | 9 Electronics | Registered | 2014 |
| SPITFIRE 1482715 · TMA877317 | FMC of Canada Limited / FMC Canada Limitée | 5 Pharmaceuticals | Registered | 2014 |
| SPITFIRE 1442107 · TMA816673 | Firecraft Products Inc. | 11 Lighting13 Firearms | Registered | 2012 |
| SPITFIRE 1256934 · TMA709658 | THE BLACK & DECKER CORPORATION | 7 Machines9 Electronics | Registered | 2008 |
| SPITFIRE 1187914 · TMA638208 | RICHEMONT INTERNATIONAL SA | 14 Jewellery | Registered | 2005 |
| SPOTBLOK 1136723 · TMA593633 | Rug Doctor, Inc. | 3 Cosmetics | Registered | 2003 |
| SOFTBANK 1095068 · TMA724157 | Softbank Group Corp. | 36 Finance | Registered | 2008 |
| SOFTBACK 0878577 · TMA515246 | Jaguar Land Rover Limited | 12 Vehicles27 Carpets30 Coffee | Registered | 1999 |
| SPITFIRE 0835705 · TMA515036 | Honeywell Safety Products USA, Inc. | 9 Electronics | Registered | 1999 |
| SPITFIRE 0757721 · TMA450197 | Diversey, Inc. (a Delaware corporation) | 3 Cosmetics | Registered | 1995 |
| SOFTBANK 2352023 | Soft Computer Consultants, Inc. | 9 Electronics | Pending | 2024 |