| SINGA 2177708 · TMA1261199 | an individual | 9 Electronics41 Education42 Science | Registered | 2024 |
| SINQI 1461875 · TMA792192 · design | Shenyang Xingqi Pharmaceutical Co. Ltd. | 5 Pharmaceuticals | Registered | 2011 |
| SINGH 2240142 | an individual | 14 Jewellery | Pending | 2023 |
| SANGIA 1682692 · TMA1027674 | Opko Diagnostics, LLC | 1 Chemicals5 Pharmaceuticals10 Medical+1 | Registered | 2019 |
| SINGHA 1324715 · TMA745228 · design | BOON RAWD BREWERY CO., LTD. | 32 Beer | Registered | 2009 |
| SINGEO 2273767 · design | Owner not listed | 16 Paper35 Advertising41 Education | Pending | 2023 |
| SINGHO 2257658 | an individual | 35 Advertising40 Treatment | Pending | 2023 |
| SWINGO 2223982 | an individual | 7 Machines9 Electronics12 Vehicles | Pending | 2022 |
| SINGHA 2187037 · design | BOON RAWD BREWERY CO., LTD. | 32 Beer | Pending | 2022 |
| SHIONOGI 1450811 · TMA883741 · design | SHIONOGI & CO. LTD. | 5 Pharmaceuticals | Registered | 2014 |
| SHIONOGI 2216721 | SHIONOGI & CO. LTD. | 1 Chemicals5 Pharmaceuticals9 Electronics+5 | Pending | 2022 |
| SONG 2222746 · TMA1240406 | BYD COMPANY LIMITED | 12 Vehicles | Registered | 2024 |
| SENSI 2186224 · TMA1241199 | EMERSON ELECTRIC CO. | 9 Electronics | Registered | 2024 |
| SINCX 2148726 · TMA1227961 · design | SincX Technologies Inc. | 35 Advertising41 Education42 Science | Registered | 2024 |
| SINCX 2140667 · TMA1227928 | SincX Technologies Inc. | 41 Education42 Science | Registered | 2024 |
| SWING 2021625 · TMA1214939 · design | an individual | 29 Meat31 Fresh | Registered | 2023 |
| SINCH 1937331 · TMA1147487 | an individual | 9 Electronics38 Telecommunications42 Science | Registered | 2022 |
| SUNSI 1874378 · TMA1281655 | WHOLE HEMP ORGANICS INC. | 1 Chemicals3 Cosmetics5 Pharmaceuticals+12 | Registered | 2025 |
| SENSI 1831375 · TMA1020105 · design | Copeland Comfort Control LP | 42 Science | Registered | 2019 |
| SENSI 1831374 · TMA1020104 | Copeland Comfort Control LP | 42 Science | Registered | 2019 |
| SENSI 1831373 · TMA1091121 · design | Copeland Comfort Control LP | 9 Electronics | Registered | 2021 |
| SENSI 1831372 · TMA1091122 | Copeland Comfort Control LP | 9 Electronics | Registered | 2021 |
| SINEC 1766056 · TMA1039755 | an individual | 9 Electronics | Registered | 2019 |
| SUNGO 1721354 · TMA959946 · design | Owner not shown | 11 Lighting37 Construction40 Treatment+1 | Registered | 2017 |
| SINKO 1706710 · TMA1046310 · design | SINKO INDUSTRIES LTD. | 6 Metal7 Machines9 Electronics+2 | Registered | 2019 |