| SONICA 0922514 | Canadian Broadcasting Corporation / Société Radio-Canada | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 2013 |
| SENECA 2298464 · TMA1278010 | The Seneca College of Applied Arts and Technology | 9 Electronics14 Jewellery16 Paper+8 | Registered | 2024 |
| SYNACK 2184960 · TMA1198234 | Synack, Inc. | 42 Science | Registered | 2023 |
| SUNACE 2145566 · TMA1202878 | Owner not shown | 20 Furniture | Registered | 2023 |
| SNACK+ 1980774 · TMA1190284 | Pure Flavor Farms LP | 31 Fresh | Registered | 2023 |
| SONIC 1902590 · TMA1048130 · design | Rogers Media Inc. | 38 Telecommunications41 Education | Registered | 2019 |
| SONiC 1883415 · TMA1086087 | Microsoft Corporation | 9 Electronics | Registered | 2020 |
| SONIC 1740630 · TMA948826 · design | Lindvest Marketing Limited | 35 Advertising36 Finance37 Construction+1 | Registered | 2016 |
| SOMAC 1738594 · TMA1040276 | an individual | 6 Metal7 Machines9 Electronics+4 | Registered | 2019 |
| SONGZA 1686855 · TMA975685 | Google LLC | 9 Electronics38 Telecommunications42 Science | Registered | 2017 |
| SONGZA 1663312 · TMA922001 | Google LLC | 38 Telecommunications41 Education | Registered | 2015 |
| SONIC 1642282 · TMA1040590 · design | America's Drive-In Brand Properties LLC, a Kansas Limited Liability Company | 29 Meat30 Coffee31 Fresh+2 | Registered | 2019 |
| SONIC 1621746 · TMA940112 | an individual | 18 Leather28 Toys | Registered | 2016 |
| SENECA 1542701 · TMA885989 | Genrep Ltd./Ltee | 7 Machines | Registered | 2014 |
| SONIC 1540567 · TMA945350 | Rogers Media Inc. | 38 Telecommunications | Registered | 2016 |
| SONAX 1536953 · TMA876214 | CORLIVING DISTRIBUTION LTD. | 9 Electronics35 Advertising | Registered | 2014 |
| SONAX 1464177 · TMA925488 | SONAX GmbH | 1 Chemicals3 Cosmetics16 Paper+2 | Registered | 2016 |
| SONIC 1445541 · TMA831374 | Canadian Tire Corporation, Limited | 12 Vehicles21 Housewares | Registered | 2012 |
| SONIC 1362844 · TMA777506 | America's Drive-In Brand Properties LLC, a Kansas Limited Liability Company | 29 Meat30 Coffee32 Beer+1 | Registered | 2010 |
| SENECA 1340273 · TMA715184 | GRAND RIVER ENTERPRISES SIX NATIONS LTD. | 34 Tobacco | Registered | 2008 |
| SONIC 1302736 · TMA693730 | an individual | 31 Fresh | Registered | 2007 |
| SENECA 1173653 · TMA646155 | SENECA FOODS CORPORATION | 29 Meat | Registered | 2005 |
| SONÄGE 1058485 · TMA567121 | ASA Universal Inc. | 2 Paints3 Cosmetics10 Medical | Registered | 2002 |
| SENECA 0863635 · TMA506392 · design | SENECA FOODS CORPORATION, A NEW YORK CORPORATION | 29 Meat | Registered | 1999 |
| SONAX 0791656 · TMA483368 | CORLIVING DISTRIBUTION LTD. | 9 Electronics20 Furniture28 Toys+1 | Registered | 1997 |