| WORKFORCE 2013163 · TMA1202365 | WESTLAKE DIMEX LLC | 27 Carpets | Registered | 2023 |
| WORKFORCE 1519255 · TMA872355 | Seiko Epson Kabushiki Kaisha (also trading as Seiko Epson Corporation). | 2 Paints9 Electronics | Registered | 2014 |
| WORKFORCE 1373670 · TMA729901 | Seiko Epson Kabushiki Kaisha (also trading as Seiko Epson Corporation). | 9 Electronics | Registered | 2008 |
| WORKFORCE 0838647 · TMA673012 | Home Depot International, Inc. | 7 Machines8 Hand9 Electronics | Registered | 2006 |
| WORKFORCE 0666385 · TMA403849 | Home Depot International, Inc. | 1 Chemicals2 Paints3 Cosmetics+11 | Registered | 1992 |
| WORKFORCE 2079494 | Weems Industries, Inc. | 6 Metal7 Machines8 Hand+4 | Pending | 2021 |
| WorkforceWins 1819289 · TMA995892 | Workforce Wins Ltd. | 35 Advertising | Registered | 2018 |
| WORKFORGE 2250112 | Owner not listed | 35 Advertising41 Education | Pending | 2022 |
| WorkforceDocs 2010759 · TMA1262341 | Workforce Compliance Safety Ltd. | 9 Electronics | Registered | 2024 |
| WORKFORLIFE 1940869 · TMA1137040 · design | Joint venture comprising Ontario Home Care Association and Ontario Community Support Association | 35 Advertising | Registered | 2022 |
| WORKFACE 1560644 · TMA841243 | Industrial Audit Corporation | 9 Electronics35 Advertising42 Science | Registered | 2013 |
| WORKFREELI 2084487 | Workfreeli Inc. | 9 Electronics42 Science | Pending | 2021 |
| WORKFACTA 2074334 · TMA1280400 | Global BM Platform Pty Ltd | 9 Electronics35 Advertising41 Education+1 | Registered | 2025 |
| WORKPROUD 2034813 · TMA1132847 | Whapps, LLC | 9 Electronics42 Science | Registered | 2022 |
| WORKPOD 2027472 · TMA1147808 | Plume Design, Inc. | 9 Electronics | Registered | 2022 |
| WORKPLACE21 1960940 · TMA1281616 | Workplace21, Inc. | 9 Electronics35 Advertising38 Telecommunications+2 | Registered | 2025 |
| WORKFIL 1936511 · TMA1111172 | Filspec Inc. | 23 Yarns | Registered | 2021 |
| WORKVOUCH 1845692 · TMA1053317 | Vouch Inc. | 35 Advertising38 Telecommunications | Registered | 2019 |
| WORKFIT 1812364 · TMA1001485 | Ergotron, Inc. | 9 Electronics20 Furniture | Registered | 2018 |
| WORKOPOLIS 1506445 · TMA817339 · design | JS Media Inc. | 9 Electronics35 Advertising42 Science | Registered | 2012 |
| WORKOPOLIS 1505827 · TMA810346 · design | JS Media Inc. | 9 Electronics35 Advertising42 Science | Registered | 2011 |
| WORKFLEX 1489781 · TMA818922 | WorkFlex Solutions LLC | 35 Advertising42 Science | Registered | 2012 |
| WORKPLACE 1164285 · TMA621983 | Workplace Modular Systems, LLC | 20 Furniture42 Science | Registered | 2004 |
| Workbrain 1038871 · TMA559096 | Infor IP Holdings, LLC | 9 Electronics30 Coffee35 Advertising+3 | Registered | 2002 |
| WORKOPOLIS 1038712 · TMA551615 | JS Media Inc. | 35 Advertising | Registered | 2001 |