| WORKTRUK 1751321 · TMA967047 · design | an individual | 9 Electronics35 Advertising38 Telecommunications | Registered | 2017 |
| WORKSTORM 1900205 · TMA1088657 | WORKSTORM.COM LLC | 9 Electronics42 Science | Registered | 2020 |
| WORKSTORY 1555681 · TMA868560 | Workstory Inc. | 42 Science | Registered | 2014 |
| WORKSTORY 2251637 | Workstory Inc. | 35 Advertising36 Finance41 Education+1 | Pending | 2023 |
| WORKTECH 2276436 · TMA1261996 | SOCIÉTÉ HUMANFASHIONATION INC. | 9 Electronics25 Clothing | Registered | 2024 |
| WORKTRIC. 2016218 · TMA1135620 · design | Worktric Inc. | 9 Electronics42 Science | Registered | 2022 |
| WORKTRIC 2015941 · TMA1134874 | Worktric Inc. | 9 Electronics42 Science | Registered | 2022 |
| WORKTUFF 1490375 · TMA804311 · design | GROUPE BBH INC. | 9 Electronics25 Clothing35 Advertising+1 | Registered | 2011 |
| WORKTUFF 1490374 · TMA804309 · design | GROUPE BBH INC. | 9 Electronics25 Clothing35 Advertising+1 | Registered | 2011 |
| WORKTALK 1324829 · TMA700246 | PUSHOR MITCHELL LLP | 9 Electronics16 Paper45 Legal | Registered | 2007 |
| WORKSTAR 1320821 · TMA750448 | International Truck Intellectual Property Company, LLC | 12 Vehicles | Registered | 2009 |
| WORKTV 0877466 · TMA561868 | CENTRE FOR LABOUR-MANAGEMENT DEVELOPMENT INC. | 16 Paper25 Clothing35 Advertising+2 | Registered | 2002 |
| WorkTrax 0922933 | an individual | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 2015 |
| WorkWithUs 1869578 · TMA1066646 | Work With Us Foundation | 35 Advertising | Registered | 2019 |
| WORKTOPIA 1844535 · TMA1022395 | The Sinneave Family Foundation | 41 Education44 Medical45 Legal | Registered | 2019 |
| WORKATUDE 1527992 · TMA872847 | Monster Worldwide, Inc. | 38 Telecommunications45 Legal | Registered | 2014 |
| WORKSTYLE 1427205 · TMA766936 | AmeriPride Services Inc. | 9 Electronics16 Paper18 Leather+3 | Registered | 2010 |
| WORKTUNES 1076665 · TMA576565 | 3M Company | 9 Electronics10 Medical | Registered | 2003 |
| WORKSTEPS 2190795 | WorkSTEPS, Inc. | 35 Advertising44 Medical45 Legal | Pending | 2022 |
| WORKTANGO 2187659 | Kazoo, Inc. (A Delaware corporation) | 35 Advertising42 Science | Pending | 2022 |
| WORKTOPIA 1978243 | Serendipity Labs, Inc. | 36 Finance41 Education43 Restaurants | Pending | 2019 |
| WYRESTORM 2221797 · TMA1252485 · design | Wyrestorm Technologies Limited | 9 Electronics | Registered | 2024 |
| WERCSTAR 2130238 · TMA1234359 | Fruvac Ltd. | 7 Machines | Registered | 2024 |
| WORKATO 2083874 · TMA1198636 | WORKATO, Inc. | 9 Electronics42 Science | Registered | 2023 |
| WARGATE 2048591 · TMA1283901 · design | 9416-3441 Québec inc. | 9 Electronics18 Leather25 Clothing+2 | Registered | 2025 |