| WORKSYNC 2017729 | Attendance on Demand, Inc. | 9 Electronics42 Science | Pending | 2020 |
| WORKING 1427244 · TMA764420 | Postmedia Network Inc. | 35 Advertising38 Telecommunications39 Transport | Registered | 2010 |
| WORKING 1285187 · TMA748293 | Postmedia Network Inc. | 9 Electronics16 Paper25 Clothing | Registered | 2009 |
| WORKIND 1969801 · design | Kind innovations Inc. | 9 Electronics35 Advertising36 Finance+4 | Pending | 2019 |
| WORKIND 1969800 | Kind innovations Inc. | 9 Electronics35 Advertising41 Education+2 | Pending | 2019 |
| WORKINK 0913930 · design | The Canadian Council on Rehabilitation and Work | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 2002 |
| WIRKN 1697579 · TMA981025 | WIRKN INC. | 9 Electronics35 Advertising42 Science | Registered | 2017 |
| WORKZONE 1900370 · TMA1084869 | Cheng Shin Rubber Ind. Co. Ltd. | 12 Vehicles | Registered | 2020 |
| WORKJAM 2188054 · TMA1232663 | WorkJam Inc. | 41 Education | Registered | 2024 |
| WORKJAM 2124993 · TMA1232113 | WorkJam Inc. | 42 Science | Registered | 2024 |
| WORKJAM 1702805 · TMA931614 | WorkJam Inc. | 9 Electronics | Registered | 2016 |
| WORKMAX 1517140 · TMA827475 | J.C. BAMFORD EXCAVATORS LIMITED | 12 Vehicles | Registered | 2012 |
| WORKMAN 1186411 · TMA629940 | THE TORO COMPANY, a legal entity | 12 Vehicles | Registered | 2005 |
| WORKCOM 1012789 · TMA535425 | Owner not shown | 9 Electronics10 Medical25 Clothing | Registered | 2000 |
| WURKNOW 2061676 | Wurknow, LLC | 9 Electronics35 Advertising42 Science | Pending | 2020 |
| WORKONOMY 1926244 · TMA1131962 | The Office Club, Inc. | 9 Electronics16 Paper20 Furniture+6 | Registered | 2022 |
| WORKSENSE 1630679 · TMA891461 | Owner not shown | 35 Advertising | Registered | 2014 |
| WORKNSTAY 2063614 | Les Services Intermédiaires d'Hébergement Worknstay Inc. | 35 Advertising36 Finance38 Telecommunications+1 | Pending | 2020 |
| WorkGenie 1992959 | Automation Genie Inc. | 42 Science | Pending | 2019 |
| WorkingNB 0926562 | Her Majesty The Queen in Right of the Province of New Brunswick as represented by the Minister of Post-Secondary Education Training and Labour | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 2021 |
| WORKMATE 2093296 · TMA1185043 | IGLOO PRODUCTS CORP. | 21 Housewares | Registered | 2023 |
| WORKINSIGHT 2041877 · TMA1166540 | Chubb INA Holdings LLC | 36 Finance | Registered | 2023 |
| WORKMATE 1972427 · TMA1283674 · design | 4207696 Canada Inc. | 25 Clothing | Registered | 2025 |
| WORKCENTER 1879131 · TMA1114262 | Mitchell International, Inc. | 42 Science | Registered | 2021 |
| WORXIMITY 1843851 · TMA1015402 | WORXIMITY TECHNOLOGY INC. | 9 Electronics37 Construction42 Science | Registered | 2019 |