| DEMDACO 1556876 · TMA877489 | an individual | 20 Furniture21 Housewares28 Toys+1 | Registered | 2014 |
| DYNADECK 1991217 | Dynamat, Inc. (a Delaware Corporation) | 17 Rubber | Pending | 2019 |
| DENTEC 1628250 · TMA910961 | Dentec Safety Specialists Inc. | 3 Cosmetics5 Pharmaceuticals9 Electronics+2 | Registered | 2015 |
| DENTEK 1140857 · TMA631486 | Dentek Oral Care, Inc. | 2 Paints3 Cosmetics5 Pharmaceuticals+3 | Registered | 2005 |
| DEMADEX 0744408 · TMA463357 | an individual | 5 Pharmaceuticals | Registered | 1996 |
| DENTEC 2146073 | Dentec Safety Specialists Inc. | 9 Electronics10 Medical26 Sewing | Pending | 2021 |
| DEMTEGE 2145723 | Teva Pharmaceuticals USA, Inc. | 5 Pharmaceuticals | Pending | 2021 |
| DOMTECH 1979054 | Domain Tech Inc | 6 Metal7 Machines12 Vehicles | Pending | 2019 |
| deinduser 2289738 · TMA1226412 | an individual | 14 Jewellery | Registered | 2024 |
| DnayDkiy 2223609 · TMA1248858 | Xuzhou Duotong Electronic Commerce Co., Ltd. | 21 Housewares | Registered | 2024 |
| Dentismile 2191343 · TMA1249670 | an individual | 44 Medical | Registered | 2024 |
| DonToGoo 2124581 · TMA1187650 | an individual | 20 Furniture | Registered | 2023 |
| DENTAGRAFIX 2027917 · TMA1112705 | DentaGrafix, LLC | 17 Rubber | Registered | 2021 |
| DIEMETIC 2021191 · TMA1267891 | an individual | 9 Electronics41 Education | Registered | 2024 |
| DIEMETIC 2021190 · TMA1267890 · design | an individual | 9 Electronics41 Education | Registered | 2024 |
| DENTAGRAFIX 2015425 · TMA1112064 · design | DentaGrafix, LLC | 10 Medical17 Rubber | Registered | 2021 |
| DanAds 2002181 · TMA1129038 | an individual | 9 Electronics35 Advertising42 Science | Registered | 2022 |
| DenTeach 1994735 · TMA1163124 | Tactile Robotics Ltd. | 44 Medical | Registered | 2023 |
| DENTACEUTICAL 1973791 · TMA1199613 | Fresco Enterprises LLC | 3 Cosmetics | Registered | 2023 |
| DENTIZA 1970918 · TMA1247398 | BiziMobile Inc. | 35 Advertising | Registered | 2024 |
| DANDIES 1952919 · TMA1138080 | We Love Soy, Inc. DBA Chicago Vegan Foods | 30 Coffee | Registered | 2022 |
| DENTISSIMO 1930799 · TMA1113262 · design | MedPack Swiss Group AG, c/o Zovag SRC GmbH | 3 Cosmetics | Registered | 2021 |
| DynaDischarger 1912229 · TMA1107854 | Owner not shown | 6 Metal7 Machines9 Electronics+4 | Registered | 2021 |
| 123DENTIST 1860260 · TMA1020066 | 123Dentist Corporation | 35 Advertising36 Finance44 Medical | Registered | 2019 |
| DOMATCHA 1854559 · TMA1016634 | Andrews & George Company Limited | 21 Housewares30 Coffee | Registered | 2019 |