| Soundskrit 1951150 · TMA1123314 | SOUNDSKRIT INC. | 9 Electronics | Registered | 2022 |
| SOUNDSPORT 1651778 · TMA895346 | BOSE CORPORATION | 9 Electronics | Registered | 2015 |
| SOUNDCRAFT 0614609 · TMA384451 | HARMAN INTERNATIONAL INDUSTRIES LTD. | 9 Electronics | Registered | 1991 |
| SOUNDCHOICE 1235147 · TMA709722 | Starkey Laboratories, Inc. (a corporation of Minnesota) | 36 Finance | Registered | 2008 |
| SOUNDSTICKS 1038327 · TMA571581 | Harman International Industries, Incorporated | 9 Electronics | Registered | 2002 |
| SOUNDSCAPE 2226252 · TMA1209079 | TEMPUR WORLD, LLC | 20 Furniture | Registered | 2023 |
| SoundWise 2223546 · TMA1248847 | an individual | 35 Advertising | Registered | 2024 |
| SOUNDSOUL 1970319 · TMA1228643 | SHENZHEN SOUNDSOUL INFORMATION TECHNOLOGY CO. LTD | 9 Electronics | Registered | 2024 |
| SOUNDSEAL 1914785 · TMA1115676 | Sonendo, Inc. | 5 Pharmaceuticals | Registered | 2021 |
| SoundStrap 1797583 · TMA999959 | Soundtrap, Inc. | 17 Rubber | Registered | 2018 |
| SOUNDSTAGE 1694599 · TMA951123 | Monster, Inc. | 9 Electronics | Registered | 2016 |
| SOUNDKING 1446646 · TMA772353 · design | Soundking Electronics&Sound Co., Ltd. | 9 Electronics | Registered | 2010 |
| SOUNDSEED 1414135 · TMA757742 | AudioKinetic Inc. | 9 Electronics | Registered | 2010 |
| SOUNDSTONE 1400089 · TMA800137 | CORNERSTONE WALL SOLUTIONS INC. | 19 Building | Registered | 2011 |
| SOUNDS+ 1347018 · TMA807884 | Association of Private Practice Audiologists of Atlantic Canada | 9 Electronics10 Medical35 Advertising+1 | Registered | 2011 |
| SOUNDSTAR 1343745 · TMA823085 | Biosense Webster, Inc. | 10 Medical | Registered | 2012 |
| SOUNDSCAN 1307231 · TMA697551 | Luminate Data, LLC | 35 Advertising | Registered | 2007 |
| SOUNDSTOP 1176146 · TMA642280 | Blue Ridge Fiberboard, Inc. | 19 Building | Registered | 2005 |
| SOUNDSTAGE 1093440 · TMA605185 · design | Visions Electronics Limited Partnership | 9 Electronics17 Rubber20 Furniture | Registered | 2004 |
| SOUNDSTAGE!! 1038590 · TMA571046 | Schneider Publishing Inc. | 16 Paper35 Advertising | Registered | 2002 |
| SOUNDSCAPE 0786395 · TMA498054 | Creative Labs, Inc. Malvern | 9 Electronics | Registered | 1998 |
| SOUNDSPRAY 0703627 · TMA414265 | Soundtrap, Inc. | 17 Rubber37 Construction | Registered | 1993 |
| SOUNDESIGN 0543049 · TMA325638 · design | SDI Technologies Inc. | 9 Electronics14 Jewellery | Registered | 1987 |
| SOUNDESIGN 0307927 · TMA168914 | SDI Technologies Inc. | 9 Electronics | Registered | 1970 |
| SOUNDUCT 2337899 | SOUNDUCT | 9 Electronics10 Medical40 Treatment+2 | Pending | 2024 |