| WORKBOAT 2210568 | an individual | 35 Advertising41 Education | Pending | 2022 |
| WORKBOOK 1977668 · TMA1171841 | DELTEK, INC. | 9 Electronics35 Advertising42 Science | Registered | 2023 |
| WORKBOSS 1069858 · TMA587395 | AIRBOSS OF AMERICA CORP. | 12 Vehicles | Registered | 2003 |
| WORKPOD 2027472 · TMA1147808 | Plume Design, Inc. | 9 Electronics | Registered | 2022 |
| WORKFIT 1812364 · TMA1001485 | Ergotron, Inc. | 9 Electronics20 Furniture | Registered | 2018 |
| WORKSPORT 1921042 · TMA1077840 | Worksport Ltd. | 12 Vehicles | Registered | 2020 |
| WORKSPORT 1867301 · TMA1042302 · design | Worksport Ltd. | 12 Vehicles | Registered | 2019 |
| 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 |
| Workpath 1999439 · TMA1120292 | Workpath GmbH | 9 Electronics16 Paper35 Advertising+2 | Registered | 2022 |
| WORKABLE 1948666 · TMA1230881 | Workable Technology Limited | 9 Electronics35 Advertising38 Telecommunications+1 | Registered | 2024 |
| WORKSHOP 1139764 · TMA579517 | Build-A-Bear Retail Management, Inc. | 35 Advertising42 Science | Registered | 2003 |
| WORKSHOP 0854805 · TMA499233 | Emerson Electric Canada Limited | 7 Machines8 Hand11 Lighting+2 | Registered | 1998 |
| WORKSHOP 0781880 · TMA504015 | Emerson Electric Canada Limited | 7 Machines | Registered | 1998 |
| WORKXBIB 2373385 | Owner not shown | 12 Vehicles | Pending | 2024 |
| WORKBASE 2333277 | Grey Matter Concepts Apparel Group Corp. | 25 Clothing | Pending | 2024 |
| WORKVENT 2079962 | TBL Licensing LLC | 25 Clothing | Pending | 2021 |
| WORKSHOP 2054866 | Yellow Dog Brewing Company Inc. | 32 Beer33 Wine43 Restaurants | Pending | 2020 |
| WORKBRUTES 1774114 · TMA989068 | Bunzl IP Holdings, LLC | 9 Electronics25 Clothing | Registered | 2018 |
| WORKPRO 2031185 · TMA1266585 · design | HANGZHOU GREAT STAR INDUSTRIAL CO. LTD. | 9 Electronics | Registered | 2024 |
| WORKIFY 2026655 · TMA1216762 | an individual | 9 Electronics35 Advertising36 Finance+2 | Registered | 2024 |
| 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 |
| WORKIVA 1686698 · TMA947765 | Workiva Inc. | 42 Science | Registered | 2016 |