| WINDRO 1468128 · TMA843970 · design | Tae Chang N.E.T. Co. Ltd. | 7 Machines9 Electronics | Registered | 2013 |
| WINDROW 0839750 · TMA529487 | Windrow Baling Products Inc. | 22 Ropes | Registered | 2000 |
| WINTHROP 1310985 · TMA746799 | Home Depot International, Inc. | 11 Lighting | Registered | 2009 |
| WINDOOR 1903861 · TMA1089377 | an individual | 35 Advertising | Registered | 2020 |
| WINDTRAK 2066943 · TMA1211662 | Davis Instruments Corporation | 9 Electronics12 Vehicles20 Furniture | Registered | 2023 |
| WINDRUSH 1897752 · TMA1094234 · design | WINDRUSH ESTATE WINERY, LP | 21 Housewares25 Clothing31 Fresh+4 | Registered | 2021 |
| WINDRUSH 1897712 · TMA1094235 | WINDRUSH ESTATE WINERY, LP | 21 Housewares25 Clothing31 Fresh+4 | Registered | 2021 |
| WONDROUS 1788178 · TMA1023510 | PROSPA INVESTMENTS INC. | 32 Beer | Registered | 2019 |
| WUNDOROO 2320024 | Owner not listed | 16 Paper18 Leather21 Housewares+4 | Pending | 2024 |
| WONDEROO 2224308 · design | Buy Buy Baby, Inc. | 6 Metal8 Hand11 Lighting+12 | Pending | 2022 |
| WanderON 2202622 | Ontario Charging Network LP, by its general partner, 2587265 Ontario Inc. | 9 Electronics12 Vehicles35 Advertising+4 | Pending | 2022 |
| WONDEROO 2107965 | Buy Buy Baby, Inc. | 6 Metal11 Lighting12 Vehicles+11 | Pending | 2021 |
| WANDERSHOP 2137123 · TMA1205091 | an individual | 3 Cosmetics | Registered | 2023 |
| WONDERSHOP 2233628 | Target Brands, Inc. | 6 Metal8 Hand9 Electronics+15 | Pending | 2023 |
| WANDR 2150811 · TMA1206280 | LAKES OF MUSKOKA COTTAGE BREWERY INC. | 32 Beer | Registered | 2023 |
| WNDRVR 2116564 · TMA1194738 · design | WIND RIVER SYSTEMS, INC. | 42 Science | Registered | 2023 |
| WndrCo 2112998 · TMA1170284 | Wndr Brands, LLC | 35 Advertising | Registered | 2023 |
| WNDRCO 2063307 · TMA1169910 · design | Wndr Brands, LLC | 35 Advertising | Registered | 2023 |
| Wndr 1819810 · TMA1066292 | Wndr Brands, LLC | 9 Electronics38 Telecommunications41 Education+1 | Registered | 2019 |
| Wndr 1819808 · TMA1066296 | Wndr Brands, LLC | 35 Advertising | Registered | 2019 |
| WINDAIR 1664835 · TMA930374 | Emco Corporation | 11 Lighting35 Advertising37 Construction | Registered | 2016 |
| WINTREX 1368261 · TMA724369 | HOUGHTON CHEMICAL CORPORATION | 1 Chemicals | Registered | 2008 |
| WINDERS 1232454 · TMA681539 | Kellogg Company | 29 Meat35 Advertising | Registered | 2007 |
| WUNDR 2371133 | Wundr Pty Ltd | 41 Education42 Science | Pending | 2024 |
| WONDRA 2300780 | Owner not listed | 33 Wine | Pending | 2023 |