| WERKMASTER 1835826 · TMA1026945 | WERKMASTER GRINDERS & SANDERS INC. | 1 Chemicals3 Cosmetics6 Metal+9 | Registered | 2019 |
| WORKMATE 2093296 · TMA1185043 | IGLOO PRODUCTS CORP. | 21 Housewares | Registered | 2023 |
| WORKMATE 1972427 · TMA1283674 · design | 4207696 Canada Inc. | 25 Clothing | Registered | 2025 |
| WORKMATE 1233580 · TMA751696 | 4207696 Canada Inc. | 25 Clothing | Registered | 2009 |
| WorkMate 1074720 · TMA598376 | AVEVA Solutions Limited | 9 Electronics17 Rubber22 Ropes | Registered | 2003 |
| WORKMATE 0367501 · TMA202557 | THE BLACK & DECKER CORPORATION | 20 Furniture | Registered | 1974 |
| WORKMATE 2372483 | Workmate Labs, Inc. | 9 Electronics42 Science | Pending | 2024 |
| WORKCENTER 1879131 · TMA1114262 | Mitchell International, Inc. | 42 Science | Registered | 2021 |
| WORKMENTORS 1636588 · TMA909379 | 7912374 Canada Limited | 35 Advertising41 Education45 Legal | Registered | 2015 |
| WORKSMART 1585136 · TMA893967 | Vertafore, Inc. | 36 Finance42 Science | Registered | 2015 |
| WORKMAX 1517140 · TMA827475 | J.C. BAMFORD EXCAVATORS LIMITED | 12 Vehicles | Registered | 2012 |
| WORKSMART 1482324 · TMA858831 | Vertafore, Inc. | 9 Electronics | Registered | 2013 |
| WORKSMART 1380339 · TMA753599 | an individual | 41 Education44 Medical | Registered | 2009 |
| WORKMAN 1186411 · TMA629940 | THE TORO COMPANY, a legal entity | 12 Vehicles | Registered | 2005 |
| WORKSMART 1184418 · TMA632878 | Worksmart Ergonomics Ltd. | 16 Paper35 Advertising41 Education+2 | Registered | 2005 |
| WORKSMART 1184417 · TMA632994 · design | Worksmart Ergonomics Ltd. | 16 Paper35 Advertising41 Education+2 | Registered | 2005 |
| WORKNSTAY 2063614 | Les Services Intermédiaires d'Hébergement Worknstay Inc. | 35 Advertising36 Finance38 Telecommunications+1 | Pending | 2020 |
| WORKCHANNEL 0877465 · TMA526983 | CENTRE FOR LABOUR-MANAGEMENT DEVELOPMENT INC. | 16 Paper35 Advertising38 Telecommunications+1 | Registered | 2000 |
| WorkChannel 0873790 · TMA576403 | CENTRE FOR LABOUR-MANAGEMENT DEVELOPMENT INC. | 16 Paper35 Advertising38 Telecommunications+1 | Registered | 2003 |
| WORKJAM 2188054 · TMA1232663 | WorkJam Inc. | 41 Education | Registered | 2024 |
| WORKJAM 2124993 · TMA1232113 | WorkJam Inc. | 42 Science | Registered | 2024 |
| WORKINSIGHT 2041877 · TMA1166540 | Chubb INA Holdings LLC | 36 Finance | Registered | 2023 |
| WORKONOMY 1926244 · TMA1131962 | The Office Club, Inc. | 9 Electronics16 Paper20 Furniture+6 | Registered | 2022 |
| WORKZONE 1900370 · TMA1084869 | Cheng Shin Rubber Ind. Co. Ltd. | 12 Vehicles | Registered | 2020 |
| WORXIMITY 1843851 · TMA1015402 | WORXIMITY TECHNOLOGY INC. | 9 Electronics37 Construction42 Science | Registered | 2019 |