| WHITECEM 1912563 · TMA1091413 | LAFARGE CANADA INC. | 19 Building | Registered | 2021 |
| WITCONOL 0406229 · TMA226826 | Owner not shown | 1 Chemicals | Registered | 1978 |
| WITCHIN' 2151804 · TMA1176780 | PetSmart Home Office LLC | 31 Fresh | Registered | 2023 |
| WITSIMU 2125308 · TMA1169099 | Sumitomo Pharma Co. Ltd. | 5 Pharmaceuticals | Registered | 2023 |
| WITOCAN 0319576 · TMA166196 | an individual | 1 Chemicals | Registered | 1969 |
| WITCHIN' 2296457 | PetSmart Home Office LLC | 18 Leather | Pending | 2023 |
| WITCONATE 0406228 · TMA226825 | Owner not shown | 1 Chemicals | Registered | 1978 |
| WHITECHEM 2293364 · design | Owner not listed | 1 Chemicals2 Paints17 Rubber | Pending | 2023 |
| Witchmade 2121573 | an individual | 3 Cosmetics4 Oils14 Jewellery | Pending | 2021 |
| WoodyKnows 2264910 · TMA1284920 | M&M Pure Air Systems LLC | 9 Electronics10 Medical | Registered | 2025 |
| WATSONSHIELD 2235447 · TMA1240507 | Owner not listed | 36 Finance | Registered | 2024 |
| Witsmile 2203637 · TMA1239936 | Shenzhen Jiahui Clothing Co., Ltd. | 25 Clothing | Registered | 2024 |
| WITHSIMPLICITY 2192996 · TMA1219978 | withSimplicity, LLC | 3 Cosmetics35 Advertising | Registered | 2024 |
| WITZMAN 2185566 · TMA1231480 · design | an individual | 18 Leather | Registered | 2024 |
| WATSANGO 2178603 · TMA1228236 | Shenzhen Getuo Trading Co. Ltd. | 21 Housewares | Registered | 2024 |
| WOODSMAN 2162418 · TMA1204336 | Whyte and Mackay Limited | 33 Wine | Registered | 2023 |
| WHITEJIANPEAK 2081421 · TMA1182545 | an individual | 12 Vehicles | Registered | 2023 |
| WETSKINS 2065664 · TMA1278507 | WORLD FAMOUS SALES OF CANADA INC. | 25 Clothing | Registered | 2024 |
| whatsminer 1938238 · TMA1148404 | Shenzhen MicroBT Electronics Technology Co. Ltd. | 9 Electronics | Registered | 2022 |
| WATCHMAN 1844337 · TMA1053683 | Hendrickson USA, L.L.C. a Delaware Limited Liability Company | 12 Vehicles | Registered | 2019 |
| WOODSMAN 1805223 · TMA1055179 | Arrowhead Engineered Products, Inc. | 8 Hand18 Leather20 Furniture+1 | Registered | 2019 |
| WatchMojo 1766583 · TMA987450 | 6059350 CANADA INC. | 6 Metal14 Jewellery16 Paper+6 | Registered | 2017 |
| WATCHMOJO 1766580 · TMA987449 · design | 6059350 CANADA INC. | 6 Metal14 Jewellery16 Paper+6 | Registered | 2017 |
| WOODSENSE 1646296 · TMA920253 | an individual | 2 Paints3 Cosmetics16 Paper+2 | Registered | 2015 |
| WITSEND 1583446 · TMA883044 | Selman & Associates, Ltd. | 9 Electronics42 Science | Registered | 2014 |