| WINDCAT 1571509 · TMA848734 | Windcat Workboats Holdings Ltd. a private limited company organized under the laws of England and Wales | 12 Vehicles37 Construction39 Transport+1 | Registered | 2013 |
| WINDST 2205109 · TMA1240143 | an individual | 24 Textiles | Registered | 2024 |
| WINDCAVE 1913588 · TMA1101332 | Windcave Limited | 9 Electronics35 Advertising36 Finance+2 | Registered | 2021 |
| WINDAS 1543951 · TMA855098 | Wabtec Canada Inc. | 9 Electronics | Registered | 2013 |
| WINDCHASER 2218832 · TMA1246856 | Shenzhen Bilifu Technology Co., Ltd. | 9 Electronics | Registered | 2024 |
| WINDSCAPE 1617574 · TMA929635 | SKYLINE DISPLAYS, LLC | 6 Metal20 Furniture | Registered | 2016 |
| WINDSCAPE 1421951 · TMA802897 | Avon NA IP LLC | 3 Cosmetics | Registered | 2011 |
| WINDSMART 1354497 · TMA754903 | AlphaBroder Canada ULC | 25 Clothing | Registered | 2009 |
| WINDSMART 1243360 · TMA653171 | Plantronics, Inc. | 9 Electronics | Registered | 2005 |
| Windcor 2106665 · TMA1222054 | Plastocor-international SA | 1 Chemicals2 Paints17 Rubber+1 | Registered | 2024 |
| WINDIES 1858452 · TMA1073597 | Cricket West Indies Inc. | 6 Metal14 Jewellery16 Paper+6 | Registered | 2020 |
| WINDOWS 1840842 · TMA1111656 | Microsoft Corporation | 9 Electronics38 Telecommunications41 Education+1 | Registered | 2021 |
| WINDWISE 1729621 · TMA949132 | STATE STREET CORPORATION | 36 Finance | Registered | 2016 |
| WINDOWS 1526409 · TMA886177 · design | Prym Consumer USA Inc. | 6 Metal20 Furniture | Registered | 2014 |
| WINDCUBE 1404751 · TMA804409 | an individual | 9 Electronics41 Education42 Science | Registered | 2011 |
| WINDOWS 1061912 · TMA561972 | Microsoft Corporation | 35 Advertising41 Education42 Science+1 | Registered | 2002 |
| WINDOWS 1010012 · TMA545757 | Microsoft Corporation | 9 Electronics38 Telecommunications | Registered | 2001 |
| WINDOWS 0791577 · TMA479464 | Microsoft Corporation | 16 Paper35 Advertising42 Science | Registered | 1997 |
| WINDOWS 0708515 · TMA459607 | Microsoft Corporation | 9 Electronics16 Paper | Registered | 1996 |
| WINDJET 0658975 · TMA385606 | SPRAYING SYSTEMS COMPANY | 7 Machines | Registered | 1991 |
| WindSet 2236917 | Owner not listed | 9 Electronics42 Science | Pending | 2022 |
| WINDOWS 2116795 · design | Microsoft Corporation | 9 Electronics16 Paper35 Advertising+4 | Pending | 2021 |
| WINTACT 2038213 · design | Shenzhen Wintact Electronics Co., Ltd. | 9 Electronics | Pending | 2020 |
| WINDOWSEAT 1643570 · TMA910681 | HAWORTH, INC. | 20 Furniture | Registered | 2015 |
| WINDACCESS 1590744 · TMA872613 | Owner not shown | 9 Electronics | Registered | 2014 |