| WORK2BEWELL 2160351 | an individual | 35 Advertising41 Education44 Medical | Pending | 2022 |
| WORKFORCEID 2052449 | an individual | 9 Electronics | Pending | 2020 |
| WorkforceWins 1819289 · TMA995892 | Workforce Wins Ltd. | 35 Advertising | Registered | 2018 |
| WORKFORCE 2013163 · TMA1202365 | WESTLAKE DIMEX LLC | 27 Carpets | Registered | 2023 |
| WORKFIL 1936511 · TMA1111172 | Filspec Inc. | 23 Yarns | Registered | 2021 |
| WORKEEFY 1900647 · TMA1102216 | Workeefy Inc. | 9 Electronics35 Advertising36 Finance+2 | Registered | 2021 |
| WORKFACE 1560644 · TMA841243 | Industrial Audit Corporation | 9 Electronics35 Advertising42 Science | Registered | 2013 |
| WORKFORCE 1519255 · TMA872355 | Seiko Epson Kabushiki Kaisha (also trading as Seiko Epson Corporation). | 2 Paints9 Electronics | Registered | 2014 |
| WORKFLEX 1489781 · TMA818922 | WorkFlex Solutions LLC | 35 Advertising42 Science | Registered | 2012 |
| 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 |
| Workflo 2314729 | VEBLOC INC. | 9 Electronics38 Telecommunications42 Science | Pending | 2024 |
| WORKFORGE 2250112 | Owner not listed | 35 Advertising41 Education | Pending | 2022 |
| WORKFORCE 2079494 | Weems Industries, Inc. | 6 Metal7 Machines8 Hand+4 | Pending | 2021 |
| WORKEEFY 2044448 · design | Workeefy Inc. | 9 Electronics35 Advertising36 Finance+2 | Pending | 2020 |
| WORKFORLIFE 1940869 · TMA1137040 · design | Joint venture comprising Ontario Home Care Association and Ontario Community Support Association | 35 Advertising | Registered | 2022 |
| WorkforceDocs 2010759 · TMA1262341 | Workforce Compliance Safety Ltd. | 9 Electronics | Registered | 2024 |
| WearSPF 2222546 · TMA1239046 | WEARSPF, LLC | 3 Cosmetics | Registered | 2024 |
| WeAreCyber 2214651 · TMA1249151 | siberX | 38 Telecommunications41 Education | Registered | 2024 |
| WORKFLOW 2115333 · TMA1234314 | Kraus USA Plumbing LLC | 11 Lighting | Registered | 2024 |
| WARSPIDER 2093415 · TMA1185050 | GuangDong Kotion Electroacoustic Technology Co.Ltd. | 9 Electronics | Registered | 2023 |
| WORKBOT 2083873 · TMA1259211 | WORKATO, Inc. | 9 Electronics42 Science | Registered | 2024 |
| WORKFACTA 2074334 · TMA1280400 | Global BM Platform Pty Ltd | 9 Electronics35 Advertising41 Education+1 | Registered | 2025 |
| WORKPROX 2044640 · TMA1266641 · design | HANGZHOU GREAT STAR INDUSTRIAL CO. LTD. | 7 Machines8 Hand | Registered | 2024 |