| SINGHA 1324715 · TMA745228 · design | BOON RAWD BREWERY CO., LTD. | 32 Beer | Registered | 2009 |
| SINGHO 2257658 | an individual | 35 Advertising40 Treatment | Pending | 2023 |
| SINGHA 2187037 · design | BOON RAWD BREWERY CO., LTD. | 32 Beer | Pending | 2022 |
| 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 |
| Songhe 2280531 | Shenzhen Songhe Technology Co. Ltd. | 9 Electronics | Pending | 2023 |
| SINGEO 2273767 · design | Owner not listed | 16 Paper35 Advertising41 Education | Pending | 2023 |
| SWINGO 2223982 | an individual | 7 Machines9 Electronics12 Vehicles | Pending | 2022 |
| SONG 2222746 · TMA1240406 | BYD COMPANY LIMITED | 12 Vehicles | 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 |
| 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 |
| SWING 1613238 · TMA898785 | an individual | 10 Medical | Registered | 2015 |
| SINS 1531278 · TMA853651 | Sins Collection Inc. | 9 Electronics25 Clothing35 Advertising | Registered | 2013 |
| SINKA 1490834 · TMA803510 | SHISHI XINJIA ELECTRONICS CO. LTD. | 14 Jewellery16 Paper | Registered | 2011 |
| SINQI 1461875 · TMA792192 · design | Shenyang Xingqi Pharmaceutical Co. Ltd. | 5 Pharmaceuticals | Registered | 2011 |
| syngo 1083153 · TMA575085 | an individual | 9 Electronics41 Education42 Science | Registered | 2003 |
| SONG 0884964 · TMA534627 · design | YM Inc. (Sales) | 3 Cosmetics9 Electronics14 Jewellery+3 | Registered | 2000 |
| SUNG 0575365 · TMA349124 | MIMRAN GROUP INC. | 3 Cosmetics11 Lighting | Registered | 1988 |
| SINEX 0446539 · TMA261405 | The Procter & Gamble Company | 5 Pharmaceuticals | Registered | 1981 |
| SWING 0317790 · TMA164716 | an individual | 33 Wine | Registered | 1969 |