| WONDERWORKS 2102147 | GENERAL MILLS, INC. | 29 Meat30 Coffee31 Fresh | Pending | 2021 |
| WINTERWEISS 1879681 · TMA1053939 | LAKES OF MUSKOKA COTTAGE BREWERY INC. | 32 Beer | Registered | 2019 |
| WINTERHAWKS 2156585 | Winterhawks Sports Group LLC | 25 Clothing28 Toys41 Education | Pending | 2021 |
| WONDERWORKERS 0524268 · TMA327428 | CANADELLE LIMITED PARTNERSHIP | 25 Clothing | Registered | 1987 |
| WINTERPEAK 1985664 · TMA1098628 | Sumitomo Rubber Industries, Ltd. | 12 Vehicles | Registered | 2021 |
| WINTERFROST 1980031 · TMA1267748 | The Procter & Gamble Company | 5 Pharmaceuticals | Registered | 2024 |
| WONDERFORMS 1969006 · TMA1184554 | DIXON TICONDEROGA COMPANY. | 16 Paper | Registered | 2023 |
| WINTERTREK 1932132 · TMA1159629 | Canadian Tire Corporation, Limited | 12 Vehicles | Registered | 2023 |
| WINTERPRO 1815993 · TMA993533 · design | Shandong Jinyu Tire Co. Ltd. | 12 Vehicles | Registered | 2018 |
| Wundersocks 1695767 · TMA974664 | an individual | 25 Clothing | Registered | 2017 |
| WINTERCOOL 1455225 · TMA836325 | HERSHEY CHOCOLATE & CONFECTIONERY LLC | 30 Coffee | Registered | 2012 |
| WINTERTRAX 1329696 · TMA775313 | Implus Footcare, LLC | 6 Metal25 Clothing | Registered | 2010 |
| WINTERFRESH 1166394 · TMA659666 | WM. Wrigley JR. Company a Delaware corporation | 3 Cosmetics30 Coffee | Registered | 2006 |
| WINTERGAS 1053039 · TMA642500 | Suncor Energy Inc. | 4 Oils | Registered | 2005 |
| WONDERWORD 0860105 · TMA537867 | Owner not shown | 16 Paper | Registered | 2000 |
| WINTERTRAC 0840897 · TMA504217 | Canadian Tire Corporation, Limited | 12 Vehicles | Registered | 1998 |
| WINTERFRESH 0776775 · TMA465183 | WM. Wrigley JR. Company a Delaware corporation | 30 Coffee | Registered | 1996 |
| WINTERGARD 0685780 · TMA401239 | nVent Services GmbH | 11 Lighting | Registered | 1992 |
| WINTERCARE 0628258 · TMA367402 | OMS Investments, Inc. (a Delaware corporation) | 1 Chemicals | Registered | 1990 |
| WINTERMINTS 0420415 · TMA238619 | WM. Wrigley JR. Company a Delaware corporation | 30 Coffee | Registered | 1979 |
| WINTERFRESH 0300246 · TMA151831 | COLGATE-PALMOLIVE CANADA INC. | 3 Cosmetics | Registered | 1967 |
| WINTERFROST 2356264 | Sugar Mountain Livestock, LLC | 29 Meat31 Fresh | Pending | 2024 |
| WONDERWALKS 2308521 | CFA Properties, Inc. | 28 Toys | Pending | 2024 |
| WINTERWIND 2075325 | Winterwind Inc. | 42 Science | Pending | 2021 |
| WINTERWEIGHTS 0721871 · TMA455150 | ABG IZOD LLC | 25 Clothing | Registered | 1996 |