| WESTMET 2252695 | WestMet Group Holdings LLC | 1 Chemicals42 Science | Pending | 2023 |
| WESTMET 2232384 | WestMet Group Holdings LLC | 1 Chemicals42 Science | Pending | 2023 |
| WESTMAT 2222356 | Western Materials Handling & Equipment Ltd. | 12 Vehicles35 Advertising37 Construction+5 | Pending | 2022 |
| WESTONE 2219807 | Westone Laboratories, Inc. | 9 Electronics10 Medical | Pending | 2022 |
| WESTNOFA 0476390 · TMA281680 | an individual | 20 Furniture | Registered | 1983 |
| WESTHUNTER 2225482 · design | Wuhan Piaoshi Trading Co. Ltd | 9 Electronics | Pending | 2022 |
| WESTIN 2285496 · TMA1253226 | Owner not listed | 41 Education | Registered | 2024 |
| WESTON 2083200 · TMA1212900 | Bemis Manufacturing Company | 11 Lighting | Registered | 2023 |
| WISTEM 1998199 · TMA1188049 | BIOFARMA | 9 Electronics10 Medical35 Advertising+2 | Registered | 2023 |
| WESTON 1744051 · TMA1090922 | Weston Brands, LLC | 7 Machines9 Electronics11 Lighting+2 | Registered | 2021 |
| WESTIN 1642861 · TMA944740 | Owner not shown | 28 Toys | Registered | 2016 |
| WESTIN 1587609 · TMA870117 | Westin Hotel Management, L.P. (a Delaware limited partnership) | 36 Finance43 Restaurants | Registered | 2014 |
| WESTIN 1550616 · TMA854018 | Westin Hotel Management, L.P. (a Delaware limited partnership) | 41 Education43 Restaurants | Registered | 2013 |
| WESTON 1417786 · TMA767945 | SI Group-Switzerland GmbH | 1 Chemicals | Registered | 2010 |
| WESTON 1350432 · TMA852892 | GEORGE WESTON LIMITED / GEORGE WESTON LIMITÉE | 30 Coffee | Registered | 2013 |
| WESTON 1279315 · TMA689488 | Weston Forest Products Inc. | 19 Building35 Advertising | Registered | 2007 |
| WESTON 1228274 · TMA678307 | GEORGE WESTON LIMITED / GEORGE WESTON LIMITÉE | 36 Finance | Registered | 2006 |
| WESTON 1031332 · TMA571542 | Weston Aerospace Limited | 4 Oils9 Electronics10 Medical | Registered | 2002 |
| WESTIN 0846975 · TMA534813 | Westin Hotel Management, L.P. (a Delaware limited partnership) | 36 Finance | Registered | 2000 |
| WESTAIM 0816204 · TMA517019 · design | THE WESTAIM CORPORATION | 2 Paints6 Metal19 Building | Registered | 1999 |
| WESTAIM 0816202 · TMA517018 | THE WESTAIM CORPORATION | 2 Paints6 Metal19 Building | Registered | 1999 |
| WESTIN 0766959 · TMA528239 | Westin Hotel Management, L.P. (a Delaware limited partnership) | 25 Clothing35 Advertising41 Education | Registered | 2000 |
| WESTON 0568977 · TMA330346 | GEORGE WESTON LIMITED / GEORGE WESTON LIMITÉE | 30 Coffee | Registered | 1987 |
| WESTON 0549133 · TMA330321 · design | GEORGE WESTON LIMITED / GEORGE WESTON LIMITÉE | 16 Paper35 Advertising | Registered | 1987 |
| WESTIN 0477982 · TMA274450 | Westin Hotel Management, L.P. (a Delaware limited partnership) | 43 Restaurants | Registered | 1982 |