| SECRID 1798310 · TMA1087981 | Owner not shown | 9 Electronics14 Jewellery16 Paper+3 | Registered | 2020 |
| SEQRITE 1694129 · TMA950108 | Quick Heal Technologies Ltd. | 9 Electronics16 Paper42 Science | Registered | 2016 |
| SECRID 1569534 · TMA866271 | an individual | 18 Leather | Registered | 2013 |
| SIGRID 1014264 · TMA665687 | Sigrid Olsen LLC | 3 Cosmetics9 Electronics14 Jewellery+3 | Registered | 2006 |
| SOGRIDECS 1978081 · TMA1209247 | ADENCO ÉLECTRONIQUES INC. | 42 Science | Registered | 2023 |
| SKYGRADE 2300595 | Owner not listed | 42 Science | Pending | 2023 |
| segurito 2295312 | Hunan Jingjie Technology Co. Ltd. | 9 Electronics | Pending | 2023 |
| segurito 2295311 | Hunan Jingjie Technology Co. Ltd. | 25 Clothing | Pending | 2023 |
| SIGRIDWAVE 2062453 | ACER INCORPORATED | 9 Electronics41 Education | Pending | 2020 |
| segreto 2192138 · TMA1234801 | an individual | 20 Furniture | Registered | 2024 |
| SECURID 2153673 · TMA1221356 · design | RSA Security LLC (a Delaware limited liability company) | 9 Electronics42 Science | Registered | 2024 |
| SKYGRID 1616519 · TMA931564 | an individual | 35 Advertising37 Construction42 Science+1 | Registered | 2016 |
| SECURID 0706503 · TMA415781 | RSA Security LLC | 9 Electronics | Registered | 1993 |
| SEGRETA 0548668 · TMA321991 | an individual | 10 Medical17 Rubber25 Clothing | Registered | 1986 |
| SECURID 1952385 | RSA Security LLC | 9 Electronics42 Science | Pending | 2019 |
| SwissRide 1733106 · TMA934314 | CARAN D'ACHE SA | 8 Hand16 Paper | Registered | 2016 |
| SECURITEX 0606950 · TMA358599 | SPERIAN PROTECTIVE APPAREL LTD. / SPERIAN VÊTEMENTS DE PROTECTION LTÉE | 9 Electronics35 Advertising40 Treatment | Registered | 1989 |
| SecuriTek 2316432 | Servitek FOUSSIER Inc. | 6 Metal20 Furniture | Pending | 2024 |
| SACREDRIDES 1431652 · TMA820180 | Sacred Rides Mountain Bike Holidays, Ltd. | 39 Transport | Registered | 2012 |
| Saceridi 2105926 · TMA1216114 | an individual | 28 Toys | Registered | 2023 |
| SECURITECH 1951881 · TMA1131340 | Owner not shown | 9 Electronics35 Advertising37 Construction+2 | Registered | 2022 |
| SIGRATEX 1946873 · TMA1253323 | an individual | 17 Rubber22 Ropes24 Textiles | Registered | 2024 |
| SECURITY 1851284 · TMA1021720 | HOUGHTON CHEMICAL CORPORATION | 1 Chemicals3 Cosmetics | Registered | 2019 |
| SWISSRIDGE 1608318 · TMA882768 · design | Swiss Ridge Kennels Inc. | 4 Oils9 Electronics14 Jewellery+12 | Registered | 2014 |
| SWISSRIDGE 1608317 · TMA882757 | Swiss Ridge Kennels Inc. | 4 Oils9 Electronics14 Jewellery+12 | Registered | 2014 |