| WORKSTREAM 1117160 · TMA610768 | HR Soft Inc. | 35 Advertising41 Education42 Science | Registered | 2004 |
| WORKSTREAM 2099406 | Energy Profiles Limited | 9 Electronics35 Advertising42 Science | Pending | 2021 |
| WORKTECH 2276436 · TMA1261996 | SOCIÉTÉ HUMANFASHIONATION INC. | 9 Electronics25 Clothing | Registered | 2024 |
| WORKSTORM 1900205 · TMA1088657 | WORKSTORM.COM LLC | 9 Electronics42 Science | Registered | 2020 |
| WORKSTORY 1555681 · TMA868560 | Workstory Inc. | 42 Science | Registered | 2014 |
| WORKSTYLE 1427205 · TMA766936 | AmeriPride Services Inc. | 9 Electronics16 Paper18 Leather+3 | Registered | 2010 |
| WORKSTAR 1320821 · TMA750448 | International Truck Intellectual Property Company, LLC | 12 Vehicles | Registered | 2009 |
| WORKSITE 1080785 · TMA576672 | TAI LUNG (CANADA) LTD. a corporation incorporated under the laws of the Province of Ontario | 25 Clothing | Registered | 2003 |
| WORKSET 0869007 · TMA516622 | XEROX CORPORATION | 9 Electronics | Registered | 1999 |
| WORKSTORY 2251637 | Workstory Inc. | 35 Advertising36 Finance41 Education+1 | Pending | 2023 |
| WorkWithUs 1869578 · TMA1066646 | Work With Us Foundation | 35 Advertising | Registered | 2019 |
| WORKSTITCH 2241230 | Vestis Uniforms and Workplace Supplies, Inc. | 5 Pharmaceuticals9 Electronics10 Medical+7 | Pending | 2022 |
| WORKATO 2083874 · TMA1198636 | WORKATO, Inc. | 9 Electronics42 Science | Registered | 2023 |
| WORKTRIC. 2016218 · TMA1135620 · design | Worktric Inc. | 9 Electronics42 Science | Registered | 2022 |
| WORKTRIC 2015941 · TMA1134874 | Worktric Inc. | 9 Electronics42 Science | Registered | 2022 |
| WERKSTAR 1885307 · TMA1073950 | Werksitz GmbH W. Milewski | 20 Furniture | Registered | 2020 |
| WORKTOPIA 1844535 · TMA1022395 | The Sinneave Family Foundation | 41 Education44 Medical45 Legal | Registered | 2019 |
| WORKTRUK 1751321 · TMA967047 · design | an individual | 9 Electronics35 Advertising38 Telecommunications | Registered | 2017 |
| wrestlers 1706296 · TMA932064 | 8167087 Canada Limited | 12 Vehicles18 Leather21 Housewares+10 | Registered | 2016 |
| WORKATUDE 1527992 · TMA872847 | Monster Worldwide, Inc. | 38 Telecommunications45 Legal | Registered | 2014 |
| 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 |
| WORKTUNES 1076665 · TMA576565 | 3M Company | 9 Electronics10 Medical | Registered | 2003 |
| WORKTV 0877466 · TMA561868 | CENTRE FOR LABOUR-MANAGEMENT DEVELOPMENT INC. | 16 Paper25 Clothing35 Advertising+2 | Registered | 2002 |