| DYNASTRIP 1891465 · TMA1087524 | Dynabrade, Inc. | 7 Machines | Registered | 2020 |
| DYNASTRIP 0779383 · TMA454929 | 9288-8569 Québec Inc. | 9 Electronics39 Transport | Registered | 1996 |
| DIEMASTER 2 0899911 · TMA529651 · design | THE BLACK & DECKER CORPORATION | 7 Machines8 Hand | Registered | 2000 |
| DIAMASTONE 1583023 · TMA869447 | Stone Marketing & Design Services Inc. | 11 Lighting19 Building20 Furniture | Registered | 2014 |
| Dinasty 1439140 · TMA822068 · design | Ocean Gate Imports Ltd. | 25 Clothing | Registered | 2012 |
| DYNASTIE 1208973 · TMA630080 | Maax Bath Inc. | 11 Lighting | Registered | 2005 |
| DYNASTEP 0834362 · TMA485816 | Scholl's Wellness Company LLC | 10 Medical | Registered | 1997 |
| DOMESTIC 0758258 · TMA458388 | ITT Corporation | 7 Machines9 Electronics11 Lighting | Registered | 1996 |
| DOMESTIC 0170833 · UCA8489 | Maple Leaf Foods Inc./Les Aliments Maple Leaf Inc. | 29 Meat | Registered | 1937 |
| Dmast 2369203 · design | DELI GROUP CO. LTD. | 2 Paints16 Paper | Pending | 2024 |
| DYNASTY 2261036 · TMA1279547 | Warrior Sports, Inc. | 28 Toys | Registered | 2024 |
| DENSITI 2238204 · TMA1258323 | Senator International Limited | 20 Furniture | Registered | 2024 |
| Domgate 2231033 · TMA1250255 | an individual | 45 Legal | Registered | 2024 |
| DanSuites 2202738 · TMA1238886 | 14203313 Canada Inc. | 36 Finance43 Restaurants | Registered | 2024 |
| DMIGADIGLO 2193181 · TMA1234905 | an individual | 9 Electronics | Registered | 2024 |
| DAYMSATERRENOVA 2178687 · TMA1228255 | Owner not shown | 1 Chemicals | Registered | 2024 |
| DONGTAI 2160497 · TMA1212194 | an individual | 21 Housewares | Registered | 2023 |
| DongDongQiang 2144616 · TMA1202860 | an individual | 25 Clothing | Registered | 2023 |
| DEMIGOD 2129045 · TMA1192040 · design | an individual | 25 Clothing | Registered | 2023 |
| DANKDIPPER 2121389 · TMA1186448 · design | Shenzhen Eigate Technology Co. Ltd. | 34 Tobacco | Registered | 2023 |
| DENGYD 2120383 · TMA1185327 | Meizhou Shengxing Trading Co. Ltd. | 12 Vehicles | Registered | 2023 |
| DANCEWITHLIGHT 2099969 · TMA1218058 · design | Guangzhou Dance with Light Media Co. Ltd. | 11 Lighting | Registered | 2024 |
| DOMESTIKA 2085473 · TMA1234264 | Domestika Inc. | 41 Education | Registered | 2024 |
| DYNASTY 1966623 · TMA1125694 · design | Dynasty Curling Ltd. | 25 Clothing26 Sewing40 Treatment+1 | Registered | 2022 |
| DEANSTON 1953578 · TMA1158586 · design | Distell Interntaional Limited | 33 Wine | Registered | 2022 |