| SICOM 1632867 · TMA938705 | SICOM Systems, Inc. | 9 Electronics35 Advertising | Registered | 2016 |
| SECCOMA 2045891 · TMA1224169 | LG H&H Co., LTD. | 3 Cosmetics5 Pharmaceuticals | Registered | 2024 |
| SICON 2121070 · TMA1206144 | Pfisterer Kontaktsysteme GmbH | 6 Metal9 Electronics20 Furniture | Registered | 2023 |
| SECOM 2027948 · TMA1232004 | SECOM CO. LTD. | 9 Electronics12 Vehicles35 Advertising+3 | Registered | 2024 |
| SECOM 2026544 · TMA1232003 · design | SECOM CO. LTD. | 9 Electronics12 Vehicles35 Advertising+3 | Registered | 2024 |
| SICAM 1861735 · TMA1087798 · design | Owner not shown | 29 Meat | Registered | 2020 |
| SICAM 1624928 · TMA905494 · design | an individual | 7 Machines9 Electronics | Registered | 2015 |
| SICON 1506759 · TMA874379 | ContiTech Transportbandsysteme GmbH | 7 Machines | Registered | 2014 |
| SICOMA 1320499 · TMA734802 · design | S.I.CO.MA. S.R.L. | 7 Machines | Registered | 2009 |
| SICAM 0835440 · TMA506712 | an individual | 9 Electronics | Registered | 1999 |
| SIZIOM 2340594 | Wenzhou Shizhi E-commerce Co. Ltd. | 12 Vehicles | Pending | 2024 |
| SiCoHome 2111978 · TMA1192729 | an individual | 16 Paper | Registered | 2023 |
| SICHIMI 2006296 · TMA1150211 | an individual | 25 Clothing | Registered | 2022 |
| sixhome 2191943 | HANGZHOU QIXINCAI HOUSEHOLD PRODUCTS CO. LTD. | 27 Carpets | Pending | 2022 |
| SIGONNA 2253887 · TMA1233041 | SIGONNA LLC | 9 Electronics | Registered | 2024 |
| SIXIM 2248049 · TMA1267264 · design | ZHEJIANG AMRIY XIANTI GARMENTS CO. LTD | 25 Clothing | Registered | 2024 |
| Seaskin 2247756 · TMA1265973 | Owner not listed | 9 Electronics25 Clothing | Registered | 2024 |
| SIXIM 2239046 · TMA1259860 · design | ZHEJIANG AMRIY XIANTI GARMENTS CO. LTD | 25 Clothing | Registered | 2024 |
| SUGON 2212826 · TMA1245272 · design | Foshan Cengon Electronic Intelligent Equipment Co., Ltd. | 7 Machines | Registered | 2024 |
| SQUISHEEN 2184207 · TMA1230535 | Pusheen Corporation | 28 Toys | Registered | 2024 |
| SAUCONY 2174872 · TMA1278817 | Saucony, Inc. | 9 Electronics35 Advertising41 Education | Registered | 2024 |
| SCICON 2171523 · TMA1253683 | an individual | 9 Electronics12 Vehicles | Registered | 2024 |
| SKYOCEAN 2169564 · TMA1220627 | an individual | 9 Electronics | Registered | 2024 |
| Sukeen 2165908 · TMA1212466 | LONG WAY FASHION JEWELLERY COMPANY LIMITED | 14 Jewellery24 Textiles | Registered | 2023 |
| SOOKIN 2156663 · TMA1208759 | an individual | 16 Paper21 Housewares28 Toys | Registered | 2023 |