| Singi 1776899 · TMA1057443 | Owner not shown | 9 Electronics18 Leather20 Furniture+3 | Registered | 2019 |
| SENSI 2186224 · TMA1241199 | EMERSON ELECTRIC CO. | 9 Electronics | Registered | 2024 |
| SINGA 2177708 · TMA1261199 | an individual | 9 Electronics41 Education42 Science | 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 |
| 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 |
| SINKO 1706710 · TMA1046310 · design | SINKO INDUSTRIES LTD. | 6 Metal7 Machines9 Electronics+2 | Registered | 2019 |
| SENSI 1686376 · TMA942310 · design | Copeland Comfort Control LP | 9 Electronics | Registered | 2016 |
| SENSI 1686375 · TMA942311 | Copeland Comfort Control LP | 9 Electronics | Registered | 2016 |
| SENSI 1634987 · TMA888642 | Copeland Comfort Control LP | 9 Electronics | Registered | 2014 |
| 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 |
| SENCI 1446265 · TMA827914 · design | Chongqing Senci Import & Export Trade Co. Ltd. | 7 Machines11 Lighting12 Vehicles+1 | Registered | 2012 |
| SENSI 1430807 · TMA847195 | an individual | 3 Cosmetics | Registered | 2013 |
| SENSI 1308667 · TMA684965 | Advanced Nutrients Ltd. | 1 Chemicals40 Treatment | Registered | 2007 |
| SENSI 0679090 · TMA399945 · design | an individual | 25 Clothing | Registered | 1992 |
| SINEX 0446539 · TMA261405 | The Procter & Gamble Company | 5 Pharmaceuticals | Registered | 1981 |
| SANJI 2360229 | Sanji Software Inc. | 42 Science | Pending | 2024 |
| SANXI 2359830 | SHUANGXI INTERNATIONAL (CANADA) LTD. | 25 Clothing35 Advertising40 Treatment | Pending | 2024 |