| 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 |
| SINGH 2240142 | an individual | 14 Jewellery | Pending | 2023 |
| SINGHA 2187037 · design | BOON RAWD BREWERY CO., LTD. | 32 Beer | Pending | 2022 |
| SINGSUO 2241838 · TMA1261626 | Owner not shown | 11 Lighting | Registered | 2024 |
| SKINGOO 2198810 · TMA1237548 | SKINGOO INC. | 3 Cosmetics | Registered | 2024 |
| Sinasho 2153972 · TMA1207625 | Owner not shown | 12 Vehicles | Registered | 2023 |
| SINGA 2177708 · TMA1261199 | an individual | 9 Electronics41 Education42 Science | Registered | 2024 |
| SINCH 1937331 · TMA1147487 | an individual | 9 Electronics38 Telecommunications42 Science | Registered | 2022 |
| Singi 1776899 · TMA1057443 | Owner not shown | 9 Electronics18 Leather20 Furniture+3 | Registered | 2019 |
| SINOCO 1752043 · TMA970205 | Les Produits Sinoco inc. | 6 Metal19 Building | Registered | 2017 |
| 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 |
| syngo 1083153 · TMA575085 | an individual | 9 Electronics41 Education42 Science | Registered | 2003 |
| SANCHO 0636540 · TMA370506 · design | an individual | 25 Clothing | Registered | 1990 |
| SANGO 2336262 | an individual | 10 Medical | Pending | 2024 |
| sinkoo 2291061 | Henan Shengke trade Co. LTD | 20 Furniture | Pending | 2023 |
| Songhe 2280531 | Shenzhen Songhe Technology Co. Ltd. | 9 Electronics | Pending | 2023 |
| SINISO 2275711 · design | Guangdong New Jincheng Ceramic Group Co. Ltd | 19 Building20 Furniture | Pending | 2023 |
| SWINGO 2223982 | an individual | 7 Machines9 Electronics12 Vehicles | Pending | 2022 |
| SINSCHE 2256660 · TMA1276262 · design | Shenzhen SINSCHE Technology Co. Ltd. | 9 Electronics | Registered | 2024 |
| sungwoo 2230356 · TMA1253918 | an individual | 21 Housewares | Registered | 2024 |
| Skingwa 2168852 · TMA1214578 | Hangzhou Sixinjia Technology Co. Ltd. | 21 Housewares | Registered | 2023 |
| ShengHe 2104858 · TMA1155511 · design | Qingdao Shenghe Home Decoration Co. Ltd. | 20 Furniture | Registered | 2022 |
| SOWINGO 1624358 · TMA902420 | Sowingo.com Corp. | 35 Advertising36 Finance38 Telecommunications | Registered | 2015 |