| DIVIsioN 1626438 · TMA927909 | an individual | 20 Furniture | Registered | 2016 |
| divisn 2147228 · TMA1202996 | divisn inc. | 41 Education | Registered | 2023 |
| DiveCAN 1555101 · TMA886021 | Shearwater Research Inc. | 9 Electronics | Registered | 2014 |
| DEVCON 1364769 · TMA723482 | ILLINOIS TOOL WORKS INC. | 6 Metal17 Rubber | Registered | 2008 |
| DIVISION 9 1601839 · TMA877694 | Gesco Industries LP | 35 Advertising | Registered | 2014 |
| DEFCON 1638274 · TMA917353 · design | Def Con Communications, Inc. | 41 Education | Registered | 2015 |
| DEFCON 0879436 · TMA537326 | Targus International LLC, a Delaware limited liability company | 9 Electronics | Registered | 2000 |
| DIVOSAN 0278122 · TMA134818 | an individual | 5 Pharmaceuticals | Registered | 1964 |
| DEFCON 2227332 | Defcon Group, LLC | 18 Leather25 Clothing35 Advertising | Pending | 2022 |
| DEFCON 2219891 | Red Cell Partners, LLC | 42 Science | Pending | 2022 |
| devicenow 2278332 | Owner not listed | 9 Electronics36 Finance38 Telecommunications | Pending | 2023 |
| DeviceNOW 2192761 | devicenow GmbH | 9 Electronics37 Construction39 Transport+1 | Pending | 2022 |
| DEVICENET 1966015 | ODVA, Inc. | 9 Electronics35 Advertising | Pending | 2019 |
| DIVISION 12 1985406 · TMA1158665 | Keilhauer Ltd. | 20 Furniture | Registered | 2023 |
| DEVCONNECT 2258732 · TMA1277781 | Stiftung Ethereum (Foundation Ethereum) | 41 Education | Registered | 2024 |
| DEVIKINS 2112236 · TMA1168953 | MOONLABS STUDIOS INC. | 9 Electronics28 Toys41 Education | Registered | 2023 |
| DEVKINSTA 2111612 · TMA1160504 | Kinsta, Inc. | 9 Electronics | Registered | 2023 |
| DevCentral 1997059 · TMA1102618 | F5, Inc. | 38 Telecommunications | Registered | 2021 |
| DobiSync 1902347 · TMA1099027 | an individual | 9 Electronics38 Telecommunications42 Science | Registered | 2021 |
| DEBAJEHMUJIG 1895577 · TMA1098722 | an individual | 35 Advertising41 Education | Registered | 2021 |
| DEEPCAM 1894540 · TMA1110100 | Vexed LLC | 9 Electronics42 Science | Registered | 2021 |
| DBSNITCH 1887591 · TMA1075955 | an individual | 9 Electronics | Registered | 2020 |
| DAUBIGNY 1838553 · TMA1009856 | GROUPE VÉTÉRINAIRE DAUBIGNY INC. | 44 Medical | Registered | 2018 |
| DEEPSKIN 1821131 · TMA1019409 | Fritz Egger GmbH & Co. OG | 17 Rubber19 Building20 Furniture+1 | Registered | 2019 |
| DEEPCOMMERCE 1804146 · TMA1096205 | eBay Inc. | 9 Electronics35 Advertising36 Finance+3 | Registered | 2021 |