| WINTERTRAX 1329696 · TMA775313 | Implus Footcare, LLC | 6 Metal25 Clothing | Registered | 2010 |
| WINTERTREK 1932132 · TMA1159629 | Canadian Tire Corporation, Limited | 12 Vehicles | Registered | 2023 |
| WINTERCRAFT 1580261 · TMA856989 | Minnehaha Group, LLC | 4 Oils11 Lighting16 Paper+2 | Registered | 2013 |
| WINTERCRAFT 1576928 · TMA898345 | Kumho Tire Co., Inc. | 12 Vehicles | Registered | 2015 |
| WINTERTIME 2305170 · TMA1263387 | Owner not listed | 31 Fresh | Registered | 2024 |
| WINTERTIME 2129928 · TMA1222130 | PetSmart Home Office LLC | 28 Toys | Registered | 2024 |
| WINTERPEAK 1985664 · TMA1098628 | Sumitomo Rubber Industries, Ltd. | 12 Vehicles | Registered | 2021 |
| WINTERPRO 1815993 · TMA993533 · design | Shandong Jinyu Tire Co. Ltd. | 12 Vehicles | Registered | 2018 |
| WINTERSTAR 1537647 · TMA990747 | Owner not shown | 12 Vehicles | Registered | 2018 |
| WINTERGAS 1053039 · TMA642500 | Suncor Energy Inc. | 4 Oils | Registered | 2005 |
| WINTERLACE 2312536 | MK Labs, Inc. | 25 Clothing | Pending | 2024 |
| WINTERTECH 0904092 | an individual | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 1990 |
| WINTERGREEN 1998949 · TMA1281889 · design | African Cosmetics Limited | 3 Cosmetics | Registered | 2025 |
| WINTERFROST 1980031 · TMA1267748 | The Procter & Gamble Company | 5 Pharmaceuticals | Registered | 2024 |
| WINTERARMOR 1808518 · TMA1053225 | PPG Architectural Finishes, Inc. | 2 Paints | Registered | 2019 |
| WINTERCROFT 1771930 · TMA1018451 | Wintercroft Design Ltd | 9 Electronics11 Lighting14 Jewellery+5 | Registered | 2019 |
| WINTERGREEN 1513430 · TMA827979 | Wintergreen Advisers, LLC | 36 Finance | Registered | 2012 |
| WINTERGUARD 1346793 · TMA721529 | CertainTeed Corporation | 19 Building | Registered | 2008 |
| WINTERSTONE 1295545 · TMA706413 · design | an individual | 7 Machines | Registered | 2008 |
| WINTERSTICK 1239424 · TMA703888 | Bigelow Mountain Partners LLC (a Limited Liablilty Company in the State of Massachusetts) | 18 Leather25 Clothing28 Toys | Registered | 2007 |
| WINTERFRESH 1166394 · TMA659666 | WM. Wrigley JR. Company a Delaware corporation | 3 Cosmetics30 Coffee | Registered | 2006 |
| WINTERPROOF 1159710 · TMA653101 | RANKA ENTERPRISES INC. | 24 Textiles25 Clothing | Registered | 2005 |
| WINTERSTONE 0846640 · TMA505212 | an individual | 19 Building | Registered | 1998 |
| WINTERFRESH 0776775 · TMA465183 | WM. Wrigley JR. Company a Delaware corporation | 30 Coffee | Registered | 1996 |
| WINTERFRESH 0300246 · TMA151831 | COLGATE-PALMOLIVE CANADA INC. | 3 Cosmetics | Registered | 1967 |