| SINCERO 2152733 · TMA1189900 · design | an individual | 30 Coffee | Registered | 2023 |
| SunZero 2100804 · TMA1183932 | Green Home Automation Inc. | 7 Machines9 Electronics11 Lighting | Registered | 2023 |
| SANIZERO 2326707 | an individual | 11 Lighting | Pending | 2024 |
| SINGER 1878435 · TMA1071844 | Henry Pratt Company, LLC | 9 Electronics | Registered | 2020 |
| SINGER 1849572 · TMA1071838 · design | Henry Pratt Company, LLC | 9 Electronics | Registered | 2020 |
| SINCERA 1430761 · TMA818288 | Sumitomo Rubber Industries, Ltd. | 12 Vehicles | Registered | 2012 |
| SINGER 0991439 · NFLD1439 | Singer Sourcing Limited LLC | 7 Machines23 Yarns26 Sewing | Registered | 1927 |
| SINGER 0991282 · NFLD1282 | Singer Sourcing Limited LLC | 7 Machines12 Vehicles | Registered | 1924 |
| SINGER 0991204 · NFLD1204 | Singer Sourcing Limited LLC | 11 Lighting | Registered | 1923 |
| SINGER 0990221 · NFLD221 | Singer Sourcing Limited LLC | 7 Machines9 Electronics | Registered | 1906 |
| SINGER 0306216 · TMA160547 | Singer Sourcing Limited LLC | 7 Machines11 Lighting | Registered | 1969 |
| SINGER 0235372 · TMA104983 | Singer Sourcing Limited LLC | 3 Cosmetics4 Oils6 Metal+23 | Registered | 1956 |
| SINCERE 2292784 · design | Owner not listed | 9 Electronics35 Advertising36 Finance+2 | Pending | 2023 |
| Sincere 2290964 | an individual | 35 Advertising | Pending | 2023 |
| SINCRO 2035882 | Ansira Partners, Inc. | 35 Advertising42 Science | Pending | 2020 |
| SWINGERS 1985765 · TMA1148728 | Competitive Socialising Limited | 35 Advertising41 Education43 Restaurants | Registered | 2022 |
| SYNZARRO 1687728 · TMA1033527 | Owner not shown | 5 Pharmaceuticals | Registered | 2019 |
| SINCERUS 2235224 | an individual | 11 Lighting | Pending | 2023 |
| SWINGER 2208193 · TMA1241598 | FCA US LLC | 12 Vehicles | Registered | 2024 |
| SIMCERE 2168778 · TMA1282575 · design | Jiangsu Simcere Pharmaceutical Co. Ltd | 5 Pharmaceuticals | Registered | 2025 |
| SENSERT 2084080 · TMA1215987 | Automatic Timing and Controls, Inc. | 9 Electronics | Registered | 2023 |
| SYNKRO 1836069 · TMA1067536 | MERKUR inc. | 9 Electronics42 Science | Registered | 2019 |
| SANZARU 1801040 · TMA1017009 | Facebook Technologies, LLC | 9 Electronics28 Toys41 Education+1 | Registered | 2019 |
| SYNCHRO 1452204 · TMA784933 · design | an individual | 35 Advertising42 Science | Registered | 2010 |
| SYNCHRO 1452199 · TMA784934 | an individual | 35 Advertising42 Science | Registered | 2010 |