| SENSORION 1711626 · TMA970801 · design | Owner not shown | 1 Chemicals5 Pharmaceuticals42 Science | Registered | 2017 |
| SENSORIO 1528847 · TMA827629 | Owner not shown | 9 Electronics | Registered | 2012 |
| SENSORCAINE 0444714 · TMA274248 | Aspen Global Incorporated | 5 Pharmaceuticals | Registered | 1982 |
| SENSORLINK 1575451 · TMA892179 | Transport Wireless Technologies, Inc. (A Wisconsin Corporation) | 9 Electronics | Registered | 2014 |
| SENSORLINK 1369238 · TMA740400 | SensorLink Corporation | 9 Electronics | Registered | 2009 |
| SENSORSOFT 1003755 · TMA527262 | SENSORSOFT CORPORATION | 7 Machines8 Hand9 Electronics+6 | Registered | 2000 |
| SENSORPROM 0786607 · TMA468237 | SIEMENS AKTIENGESELLSCHAFT, a German company | 9 Electronics | Registered | 1997 |
| SENSORSEND 2149367 | PreOV LLC DBA Layla Wellness | 9 Electronics42 Science | Pending | 2021 |
| SENSORA 2151277 · TMA1247973 | an individual | 1 Chemicals2 Paints17 Rubber | Registered | 2024 |
| SENSORKIT 2066948 · TMA1180076 · design | Apple Inc. | 9 Electronics | Registered | 2023 |
| SENSORAIR 1797996 · TMA1044478 | Owner not shown | 9 Electronics11 Lighting | Registered | 2019 |
| SENSORIQ 1580939 · TMA848605 | Breville Pty Limited | 11 Lighting | Registered | 2013 |
| SENSORI 1415556 · TMA791442 | Delta Faucet Company | 11 Lighting | Registered | 2011 |
| SENSARC 1382031 · TMA871182 | KABUSHIKI KAISHA KOBE SEIKO SHO trading also as KOBE STEEL, LTD. | 7 Machines9 Electronics | Registered | 2014 |
| SENSORIUM 1371298 · TMA796988 | Bains Ultra inc. | 3 Cosmetics11 Lighting | Registered | 2011 |
| SENSORY 1299498 · TMA691938 | STARWOOD HOTELS & RESORTS WORLDWIDE, LLC | 43 Restaurants | Registered | 2007 |
| SENSORNET 1252919 · TMA685485 | Sensornet Limited | 7 Machines9 Electronics35 Advertising+3 | Registered | 2007 |
| SENSORY 1170132 · TMA683376 | STARWOOD HOTELS & RESORTS WORLDWIDE, LLC | 41 Education43 Restaurants44 Medical | Registered | 2007 |
| SENSOR 1043494 · TMA599869 | The Gillette Company LLC | 8 Hand | Registered | 2004 |
| SENSORMAT 1030664 · TMA545482 | Securitas Healthcare LLC (a limited liability company of Delaware USA) | 9 Electronics | Registered | 2001 |
| SENSORIA 0780486 · TMA512527 | an individual | 3 Cosmetics4 Oils9 Electronics+10 | Registered | 1999 |
| SENSOR 0774005 · TMA453984 · design | Roux Laboratories, Inc. (a New York Corporation) | 3 Cosmetics | Registered | 1996 |
| SENSOR 0774004 · TMA453983 | Roux Laboratories, Inc. (a New York Corporation) | 3 Cosmetics | Registered | 1996 |
| sensorii 2368643 | an individual | 28 Toys | Pending | 2024 |
| SENSORA 2274867 | Eko Health, Inc. | 9 Electronics42 Science44 Medical | Pending | 2023 |