| SIMUCARE 1761465 · TMA1027316 | Simulab Corporation | 9 Electronics | Registered | 2019 |
| SIMCERE 2168778 · TMA1282575 · design | Jiangsu Simcere Pharmaceutical Co. Ltd | 5 Pharmaceuticals | Registered | 2025 |
| SIMCHART 1567354 · TMA854515 | Elsevier Inc. | 41 Education | Registered | 2013 |
| SIMKAR 2087747 · TMA1211757 | Simkar Technologies, Inc. | 11 Lighting | Registered | 2023 |
| SIMCORP 1691824 · TMA944257 | Owner not shown | 9 Electronics35 Advertising36 Finance+2 | Registered | 2016 |
| Simcord 1620596 · TMA915288 | Owner not shown | 36 Finance42 Science | Registered | 2015 |
| SIMCRO 1405766 · TMA758014 | DATAMARS SA | 10 Medical | Registered | 2010 |
| SUNCARE 0812793 · TMA482513 | SUN LIFE ASSURANCE COMPANY OF CANADA | 36 Finance | Registered | 1997 |
| SIMKAR 0746166 · TMA438185 | Simkar Technologies, Inc. | 11 Lighting | Registered | 1995 |
| SUNCARE 0620701 · TMA365909 | THE SUNRIDER CORPORATION d.b.a. SUNRIDER INTERNATIONAL, (A UTAH CORPORATION) | 3 Cosmetics | Registered | 1990 |
| SIMCORP 2349196 | Owner not shown | 9 Electronics35 Advertising36 Finance+1 | Pending | 2024 |
| SINCERE 2292784 · design | Owner not listed | 9 Electronics35 Advertising36 Finance+2 | Pending | 2023 |
| Sincere 2290964 | an individual | 35 Advertising | Pending | 2023 |
| SUNCARE 1994883 · design | THANTAWAN INDUSTRY PUBLIC COMPANY LIMITED | 11 Lighting16 Paper21 Housewares+1 | Pending | 2019 |
| SKIMSURE 1904547 · TMA1107756 | an individual | 9 Electronics18 Leather36 Finance+2 | Registered | 2021 |
| SONICARE 1696205 · TMA944834 · design | an individual | 10 Medical11 Lighting | Registered | 2016 |
| SYNCWARE 1633480 · TMA897384 | Contractors Register, Inc. | 9 Electronics | Registered | 2015 |
| SONICARE 1628663 · TMA927639 · design | an individual | 3 Cosmetics5 Pharmaceuticals21 Housewares | Registered | 2016 |
| SUNCARTE 1484123 · TMA866885 | Sun Chemical Corporation | 2 Paints | Registered | 2013 |
| SONICARE 0723564 · TMA439765 | an individual | 21 Housewares | Registered | 1995 |
| SANICARE 2076498 | Nu Era Distribution Inc., a legal entity | 3 Cosmetics5 Pharmaceuticals21 Housewares | Pending | 2021 |
| SIMICHROME 0762436 · TMA483858 | HAPPICH GMBH | 3 Cosmetics5 Pharmaceuticals14 Jewellery | Registered | 1997 |
| SINCERO 2152733 · TMA1189900 · design | an individual | 30 Coffee | Registered | 2023 |
| SunCore 2006823 · TMA1202300 | Northern Cables Inc. | 9 Electronics | Registered | 2023 |
| SMOCAR 1867563 · TMA1030101 | Buffalo Filter, LLC | 10 Medical | Registered | 2019 |