| DISTRIX 2020708 · TMA1158752 | Distrix Games LLC | 9 Electronics16 Paper28 Toys | Registered | 2023 |
| DISTRIX 1672517 · TMA968038 | DISTRIX NETWORKS LTD. | 9 Electronics | Registered | 2017 |
| DUSTRX 2296901 · design | Owner not listed | 1 Chemicals | Pending | 2023 |
| DUSTRX 2296900 | Profile Products LLC | 1 Chemicals | Pending | 2023 |
| DISTRIC 2276088 | DRAKKAR & ASSOCIÉS INC. | 9 Electronics35 Advertising38 Telecommunications+1 | Pending | 2023 |
| DiaStream 1752620 · TMA1054743 | an individual | 10 Medical | Registered | 2019 |
| DISTRIKT 2053959 · TMA1275417 | Distrikt Capital Corporation | 36 Finance37 Construction42 Science | Registered | 2024 |
| DISTRICT 1973922 · TMA1137172 | 2688061 Ontario Limited | 33 Wine | Registered | 2022 |
| DISTRIGO 1871337 · TMA1098322 | PSA AUTOMOBILES SA, une entité légale | 1 Chemicals3 Cosmetics4 Oils+8 | Registered | 2021 |
| DISTORUN 1783546 · TMA1040899 | Leonhard Kurz Stiftung & Co. KG | 7 Machines9 Electronics16 Paper+4 | Registered | 2019 |
| DESTRESS 1691563 · TMA918699 | CANADIAN BIO-SYSTEMS INC. | 5 Pharmaceuticals | Registered | 2015 |
| DISTRICT 1588166 · TMA918090 | San Mar Corporation | 18 Leather25 Clothing | Registered | 2015 |
| DISTRICT 1438352 · TMA793702 | Trek Bicycle Corporation | 12 Vehicles | Registered | 2011 |
| DISTRICT 1388309 · TMA756243 | TK Canada Limited | 20 Furniture | Registered | 2009 |
| DUSTREAT 0867369 · TMA502638 | BL Technologies, Inc. | 1 Chemicals | Registered | 1998 |
| DISTRICT 2118556 | 7912854 CANADA INC. | 6 Metal20 Furniture | Pending | 2021 |
| DIASTRETCH 1562786 · TMA864298 | DIAMED LAB SUPPLIES INC. | 9 Electronics10 Medical | Registered | 2013 |
| DISTAR 2186307 · TMA1284471 · design | Owner not shown | 7 Machines8 Hand | Registered | 2025 |
| DOCTREE 2098876 · TMA1173754 | SCIENTREE INC. | 3 Cosmetics5 Pharmaceuticals | Registered | 2023 |
| DESTER 1735302 · TMA1124858 · design | Gate Gourmet Switzerland GmbH | 3 Cosmetics8 Hand16 Paper+7 | Registered | 2022 |
| DESTRA 1714943 · TMA990224 | Corteva Agriscience LLC | 5 Pharmaceuticals | Registered | 2018 |
| DESTRO 1577995 · TMA853363 | HASBRO, INC. | 28 Toys | Registered | 2013 |
| DIGSTER 1522681 · TMA907398 | an individual | 9 Electronics35 Advertising38 Telecommunications+1 | Registered | 2015 |
| DUSTROL 1156319 · TMA598719 | an individual | 1 Chemicals5 Pharmaceuticals29 Meat+1 | Registered | 2004 |
| DESTROY 1021455 · TMA541691 · design | an individual | 25 Clothing | Registered | 2001 |