| SIMOE 2198521 · TMA1237486 | LONGTECH INTERNATIONAL PTE. LTD. | 11 Lighting | Registered | 2024 |
| SKMEI 1940211 · TMA1132563 · design | Guangzhou Skmei Watch Co.,Ltd | 35 Advertising | Registered | 2022 |
| SKMEI 1809050 · TMA1080428 · design | Guangzhou Skmei Watch Co.,Ltd | 14 Jewellery | Registered | 2020 |
| SIOEN 1725392 · TMA964851 | Owner not shown | 9 Electronics24 Textiles25 Clothing+1 | Registered | 2017 |
| SIMOA 1624550 · TMA932526 | Quanterix Corporation a Delaware corporation | 1 Chemicals5 Pharmaceuticals9 Electronics+1 | Registered | 2016 |
| SIOEN 1210262 · TMA653869 · design | an individual | 2 Paints5 Pharmaceuticals6 Metal+9 | Registered | 2005 |
| SIMI 0802843 · TMA476556 | TPWC, Inc. | 33 Wine | Registered | 1997 |
| SIMO 0779780 · TMA467425 | SIMO MANAGEMENT INC. | 35 Advertising37 Construction | Registered | 1996 |
| SIME 0472652 · TMA270269 | an individual | 7 Machines9 Electronics12 Vehicles | Registered | 1982 |
| SIMO 2368230 · design | SHANGHAI JIDU AUTOMOBILE CO.LTD. | 9 Electronics12 Vehicles42 Science | Pending | 2024 |
| SGIN 2249298 · TMA1267390 | SHENZHEN NST INDUSTRY AND TRADE COMPANY LIMITED | 9 Electronics | Registered | 2024 |
| SONO 2245302 · TMA1264403 | STUDIO 8IGHT COMPANY LIMITED | 18 Leather | Registered | 2024 |
| SNHU 2244386 · TMA1261853 | Southern New Hampshire University | 25 Clothing | Registered | 2024 |
| SNHU 2244379 · TMA1261851 | Southern New Hampshire University | 41 Education | Registered | 2024 |
| Souina 2242358 · TMA1262979 | Owner not listed | 9 Electronics | Registered | 2024 |
| SJSXWQN 2240790 · TMA1261543 | Henan Ningshuai Trading Co. LTD | 24 Textiles | Registered | 2024 |
| SEENA 2237298 · TMA1256949 | Bausch + Lomb Ireland Limited | 10 Medical | Registered | 2024 |
| SUNHO 2235572 · TMA1251577 · design | Owner not listed | 6 Metal | Registered | 2024 |
| SION 2230977 · TMA1251513 | Sight Sciences, Inc. | 10 Medical | Registered | 2024 |
| Shewin 2222288 · TMA1248748 | Quanzhou Qiancai Clothing Co., Ltd. | 25 Clothing | Registered | 2024 |
| Seunoia. 2222002 · TMA1259617 | an individual | 18 Leather | Registered | 2024 |
| SUMA 2211858 · TMA1265490 | Diversey, Inc. | 3 Cosmetics | Registered | 2024 |
| SANAAA 2204901 · TMA1241308 · design | Guangzhou Aikai Cosmetics Co., LTD | 1 Chemicals | Registered | 2024 |
| SCON 2193350 · TMA1234961 · design | Zhuhai Senchen Lighting Technology Co.Ltd. | 11 Lighting | Registered | 2024 |
| SCMH 2189216 · TMA1278899 | International Aerospace Quality Group,association internationale sans but lucratif | 35 Advertising41 Education42 Science | Registered | 2024 |