| 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 |
| WORKOPOLIS 1038712 · TMA551615 | JS Media Inc. | 35 Advertising | Registered | 2001 |
| WORKPASS 1616245 · TMA921357 | Workpass Limited | 9 Electronics35 Advertising36 Finance+5 | Registered | 2015 |
| WORKPERKS 1346181 · TMA747589 | Venngo Inc. | 9 Electronics35 Advertising | Registered | 2009 |
| WORKPAC 1277784 · TMA681323 | CASCADES HOLDING US INC. | 21 Housewares | Registered | 2007 |
| WORKPLACE 1164285 · TMA621983 | Workplace Modular Systems, LLC | 20 Furniture42 Science | Registered | 2004 |
| WORKPLACE 0879377 · TMA565288 | Workplace Modular Systems, LLC | 20 Furniture | Registered | 2002 |
| 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 |
| WorkforceWins 1819289 · TMA995892 | Workforce Wins Ltd. | 35 Advertising | Registered | 2018 |
| 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 |
| WORKPROUD 2034813 · TMA1132847 | Whapps, LLC | 9 Electronics42 Science | Registered | 2022 |
| WORKPRO 2031185 · TMA1266585 · design | HANGZHOU GREAT STAR INDUSTRIAL CO. LTD. | 9 Electronics | Registered | 2024 |
| WORKPOD 2027472 · TMA1147808 | Plume Design, Inc. | 9 Electronics | Registered | 2022 |
| WORKIFY 2026655 · TMA1216762 | an individual | 9 Electronics35 Advertising36 Finance+2 | Registered | 2024 |
| WORKFORCE 2013163 · TMA1202365 | WESTLAKE DIMEX LLC | 27 Carpets | Registered | 2023 |
| Workpath 1999439 · TMA1120292 | Workpath GmbH | 9 Electronics16 Paper35 Advertising+2 | Registered | 2022 |
| WORKBOOK 1977668 · TMA1171841 | DELTEK, INC. | 9 Electronics35 Advertising42 Science | Registered | 2023 |