| WORKFORCE 2013163 · TMA1202365 | WESTLAKE DIMEX LLC | 27 Carpets | Registered | 2023 |
| WORKBENCH 1620276 · TMA896265 | B2 Fashions Inc. | 1 Chemicals3 Cosmetics18 Leather+6 | Registered | 2015 |
| 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 |
| WORKBOT 2083873 · TMA1259211 | WORKATO, Inc. | 9 Electronics42 Science | Registered | 2024 |
| WORKPROUD 2034813 · TMA1132847 | Whapps, LLC | 9 Electronics42 Science | Registered | 2022 |
| WORKPOD 2027472 · TMA1147808 | Plume Design, Inc. | 9 Electronics | Registered | 2022 |
| Workpath 1999439 · TMA1120292 | Workpath GmbH | 9 Electronics16 Paper35 Advertising+2 | Registered | 2022 |
| WORKBOOK 1977668 · TMA1171841 | DELTEK, INC. | 9 Electronics35 Advertising42 Science | Registered | 2023 |
| WORKFACE 1560644 · TMA841243 | Industrial Audit Corporation | 9 Electronics35 Advertising42 Science | Registered | 2013 |
| WORKUP 1558833 · TMA849200 | KRUEGER INTERNATIONAL, INC. | 20 Furniture | Registered | 2013 |
| WORKPAC 1277784 · TMA681323 | CASCADES HOLDING US INC. | 21 Housewares | Registered | 2007 |
| WORKPLACE 1164285 · TMA621983 | Workplace Modular Systems, LLC | 20 Furniture42 Science | Registered | 2004 |
| WORKBOSS 1069858 · TMA587395 | AIRBOSS OF AMERICA CORP. | 12 Vehicles | Registered | 2003 |
| WORKPLACE 0879377 · TMA565288 | Workplace Modular Systems, LLC | 20 Furniture | Registered | 2002 |
| WORKVIVO 2287902 | Zoom Video Communications, Inc. | 9 Electronics35 Advertising38 Telecommunications+2 | Pending | 2023 |
| WORKFORGE 2250112 | Owner not listed | 35 Advertising41 Education | Pending | 2022 |
| WORKBOAT 2210568 | an individual | 35 Advertising41 Education | Pending | 2022 |
| WORKVENT 2079962 | TBL Licensing LLC | 25 Clothing | Pending | 2021 |
| WORKFORCEID 2052449 | an individual | 9 Electronics | Pending | 2020 |
| WearSPF 2222546 · TMA1239046 | WEARSPF, LLC | 3 Cosmetics | Registered | 2024 |
| WeAreCyber 2214651 · TMA1249151 | siberX | 38 Telecommunications41 Education | Registered | 2024 |