| SUMMERSALT 2003433 · TMA1209276 · design | Summersalt, Inc. | 18 Leather25 Clothing | Registered | 2023 |
| SUMMERSALT 2000842 · TMA1209265 · design | Summersalt, Inc. | 18 Leather25 Clothing | Registered | 2023 |
| SUMMERSALT 2078746 | Summersalt | 35 Advertising39 Transport45 Legal | Pending | 2020 |
| SUMMERSALT 2078745 · design | Summersalt | 35 Advertising39 Transport45 Legal | Pending | 2020 |
| SUMMERSET 1891056 · TMA1109836 | ZeniMax Media Inc. | 9 Electronics28 Toys41 Education | Registered | 2021 |
| SUMMERSMART 1644583 · TMA895445 | Popular Book Company (Canada) Ltd. | 16 Paper | Registered | 2015 |
| SUMMERSTART 1227535 · TMA637443 · design | KENPAL FARM PRODUCTS INC. | 31 Fresh | Registered | 2005 |
| SUMMERSTART 1227057 · TMA637218 | KENPAL FARM PRODUCTS INC. | 31 Fresh | Registered | 2005 |
| SUMMERS 0500997 · TMA303695 | SUMMERS MANUFACTURING CO. INC. | 7 Machines | Registered | 1985 |
| SUMMERSWEET 1403562 · TMA757568 | Olymel S.E.C., represented by its general partner Olybro Inc. | 29 Meat30 Coffee | Registered | 2010 |
| SUMMERGUARD 1379294 · TMA803951 | OMS Investments, Inc. | 1 Chemicals | Registered | 2011 |
| SUMMERSWEET 0349119 · TMA186896 | B&G Foods North America, Inc. a Delaware corporation | 29 Meat | Registered | 1972 |
| SUMMERSTAR 2149581 · TMA1187838 | an individual | 31 Fresh | Registered | 2023 |
| SUMMERSIDE 1603027 · TMA921319 | Vicwest Inc. | 6 Metal | Registered | 2015 |
| SUMMERSTAR 1537649 · TMA984518 | Owner not shown | 7 Machines12 Vehicles37 Construction+1 | Registered | 2017 |
| SUMMERSLAM 1144612 · TMA662772 | World Wrestling Entertainment, LLC | 9 Electronics12 Vehicles28 Toys | Registered | 2006 |
| SUMMERSIDE 1026604 · TMA543829 | Brookfield Residential (Alberta) LP. | 42 Science | Registered | 2001 |
| SUMMERSLAM 0849872 · TMA506899 | World Wrestling Entertainment, LLC | 9 Electronics27 Carpets28 Toys | Registered | 1999 |
| SUMMERSLAM 0653787 · TMA385567 | World Wrestling Entertainment, LLC | 16 Paper25 Clothing41 Education | Registered | 1991 |
| SUMMERCOOL 2301722 · design | Owner not listed | 18 Leather20 Furniture22 Ropes | Pending | 2023 |
| SummerSkates 1614970 · TMA892658 | SummerSkates Limited | 25 Clothing | Registered | 2014 |
| SUNRACE 1828340 · TMA1004231 · design | Sun Race Sturmey-Archer Inc. | 12 Vehicles | Registered | 2018 |
| SOMERSET 0738288 · TMA446489 | Sappi North America, Inc. (a Pennsylvania Corporation) | 16 Paper | Registered | 1995 |
| SOMERSET 2113868 | H2 Craft Spirits Inc. | 32 Beer33 Wine35 Advertising | Pending | 2021 |
| SOMERSET 1994179 | Somerset Scientific LLC | 5 Pharmaceuticals | Pending | 2019 |