| WORKABLE 1948666 · TMA1230881 | Workable Technology Limited | 9 Electronics35 Advertising38 Telecommunications+1 | Registered | 2024 |
| WorksBase 1740099 · TMA949154 | an individual | 42 Science | Registered | 2016 |
| WORKPASS 1616245 · TMA921357 | Workpass Limited | 9 Electronics35 Advertising36 Finance+5 | Registered | 2015 |
| WORKPLACE 1164285 · TMA621983 | Workplace Modular Systems, LLC | 20 Furniture42 Science | Registered | 2004 |
| WORKPLACE 0879377 · TMA565288 | Workplace Modular Systems, LLC | 20 Furniture | Registered | 2002 |
| WORKBASE 2333277 | Grey Matter Concepts Apparel Group Corp. | 25 Clothing | Pending | 2024 |
| 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 |
| WORKFLOW 2115333 · TMA1234314 | Kraus USA Plumbing LLC | 11 Lighting | Registered | 2024 |
| 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 |
| WORKFORCE 2013163 · TMA1202365 | WESTLAKE DIMEX LLC | 27 Carpets | Registered | 2023 |
| Workpath 1999439 · TMA1120292 | Workpath GmbH | 9 Electronics16 Paper35 Advertising+2 | Registered | 2022 |
| WORKFIL 1936511 · TMA1111172 | Filspec Inc. | 23 Yarns | Registered | 2021 |
| WORKPRO 1901392 · TMA1174132 | MARK'S WORK WEARHOUSE LTD. | 35 Advertising | Registered | 2023 |
| WORKPRO 1811220 · TMA1044104 · design | HANGZHOU GREAT STAR INDUSTRIAL CO. LTD. | 6 Metal7 Machines8 Hand+6 | Registered | 2019 |
| WORKWAVE 1733727 · TMA999382 | WorkWave LLC | 9 Electronics35 Advertising42 Science | Registered | 2018 |
| WORKPRO 1685625 · TMA956801 | HANGZHOU GREAT STAR INDUSTRIAL CO. LTD. | 6 Metal7 Machines8 Hand+7 | Registered | 2016 |
| WORKPRO 1657964 · TMA915947 | OMX, Inc. | 20 Furniture | Registered | 2015 |
| WORKFACE 1560644 · TMA841243 | Industrial Audit Corporation | 9 Electronics35 Advertising42 Science | Registered | 2013 |
| WORKUP 1558833 · TMA849200 | KRUEGER INTERNATIONAL, INC. | 20 Furniture | Registered | 2013 |
| WORKFORCE 1519255 · TMA872355 | Seiko Epson Kabushiki Kaisha (also trading as Seiko Epson Corporation). | 2 Paints9 Electronics | Registered | 2014 |