| SILENTFOAM 1770825 · TMA1052694 · design | THE YOKOHAMA RUBBER CO., LTD., a legal entity | 12 Vehicles | Registered | 2019 |
| SILENTFLEX 2041226 · TMA1164440 | an individual | 7 Machines | Registered | 2023 |
| SilentCloud 2144962 · TMA1247942 | Aureliym GmbH | 9 Electronics10 Medical44 Medical | Registered | 2024 |
| SILENTGUARD 2086660 · TMA1183835 | National Automotive Parts Association LLC | 12 Vehicles | Registered | 2023 |
| SILENTA 1987158 · TMA1108095 · design | Savox Communications Oy Ab (Ltd) | 10 Medical | Registered | 2021 |
| SILENTCRETE 1906182 · TMA1081959 | GESTION SOPREMA CANADA INC. | 17 Rubber19 Building | Registered | 2020 |
| SILENTSLEEP 1885764 · TMA1077374 | Helen of Troy Limited | 11 Lighting | Registered | 2020 |
| SILENTTUNE 1701120 · TMA940721 | SHIMANO INC. | 28 Toys | Registered | 2016 |
| SILENTIA 1607833 · TMA903032 · design | an individual | 17 Rubber19 Building20 Furniture | Registered | 2015 |
| SILENTIA 1607831 · TMA903007 | an individual | 17 Rubber19 Building20 Furniture | Registered | 2015 |
| SILENTFX 1500374 · TMA934208 · design | CertainTeed Gypsum, Inc. | 19 Building | Registered | 2016 |
| SILENTFX 1500373 · TMA934232 | CertainTeed Gypsum, Inc. | 19 Building | Registered | 2016 |
| SILENTZONE 1466211 · TMA837755 | CARNES COMPANY, INC. (A WISCONSIN CORPORATION) | 11 Lighting | Registered | 2012 |
| SilentDrive 1286072 · TMA730923 | an individual | 7 Machines | Registered | 2008 |
| SILENTIUM 1080899 · TMA571574 | Nuera Entreprises Canada Inc. | 7 Machines9 Electronics | Registered | 2002 |
| SILENTSURE 0781372 · TMA471341 | VENMAR VENTILATION ULC | 9 Electronics | Registered | 1997 |
| SILENTGLISS 0480469 · TMA275434 · design | SILENT GLISS INTERNATIONAL LTD. | 6 Metal7 Machines9 Electronics+5 | Registered | 1983 |
| Silentium 2253645 | an individual | 9 Electronics | Pending | 2023 |
| SILENTIA 2216134 | Maxxit Systems Inc. | 6 Metal17 Rubber19 Building+2 | Pending | 2022 |
| SILENTSILVER 1749267 · TMA949028 | AMVIC CORPORATION | 17 Rubber | Registered | 2016 |
| SILENTSILVER 1503917 · TMA807181 | AMVIC CORPORATION | 17 Rubber19 Building | Registered | 2011 |
| SILENTSTRIKE 2294700 | Owner not listed | 13 Firearms | Pending | 2023 |
| SILENTFLO 5000 1211131 · TMA712940 | WATKINS MANUFACTURING CORPORATION | 7 Machines | Registered | 2008 |
| SILENTTOUCH 2242975 · TMA1258442 | an individual | 9 Electronics | Registered | 2024 |
| SILENTTREAD 1915562 · TMA1093903 | Sailun Tire Americas Inc. | 12 Vehicles | Registered | 2021 |