| WORKSPAN 1276662 · TMA680900 | WorldatWork | 16 Paper | Registered | 2007 |
| 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 |
| WORKSHOP 2054866 | Yellow Dog Brewing Company Inc. | 32 Beer33 Wine43 Restaurants | Pending | 2020 |
| WORKBOT 2083873 · TMA1259211 | WORKATO, Inc. | 9 Electronics42 Science | Registered | 2024 |
| WORKPRO 2031185 · TMA1266585 · design | HANGZHOU GREAT STAR INDUSTRIAL CO. LTD. | 9 Electronics | Registered | 2024 |
| WORKPOD 2027472 · TMA1147808 | Plume Design, Inc. | 9 Electronics | Registered | 2022 |
| 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 |
| WORKFIT 1812364 · TMA1001485 | Ergotron, Inc. | 9 Electronics20 Furniture | Registered | 2018 |
| 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 |
| WORKIVA 1686697 · TMA947767 · design | Workiva Inc. | 42 Science | Registered | 2016 |
| 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 |
| WORKPRO 1513479 · TMA842652 · design | HANGZHOU GREAT STAR INDUSTRIAL CO. LTD. | 9 Electronics10 Medical16 Paper | Registered | 2013 |
| WORKPRO 1513478 · TMA843520 · design | HANGZHOU GREAT STAR INDUSTRIAL CO. LTD. | 7 Machines11 Lighting | Registered | 2013 |
| WORKPRO 1513472 · TMA840748 · design | HANGZHOU GREAT STAR INDUSTRIAL CO. LTD. | 8 Hand11 Lighting | Registered | 2013 |
| WORKPAC 1277784 · TMA681323 | CASCADES HOLDING US INC. | 21 Housewares | Registered | 2007 |
| WORKPRO 0488752 · TMA300739 | MARK'S WORK WEARHOUSE LTD. | 9 Electronics16 Paper18 Leather+3 | Registered | 1985 |
| Workflo 2314729 | VEBLOC INC. | 9 Electronics38 Telecommunications42 Science | Pending | 2024 |
| WORSHIP 2280211 · design | Chasing Rats Games Inc. | 9 Electronics | Pending | 2023 |
| WORKPRO 2113649 · design | HANGZHOU GREAT STAR INDUSTRIAL CO. LTD. | 6 Metal7 Machines8 Hand+7 | Pending | 2021 |