| DRITEC 0801231 · TMA499149 | Legend Brands, Inc. | 11 Lighting | Registered | 1998 |
| DRITEC 2287198 | The Delfield Company LLC | 11 Lighting | Pending | 2023 |
| DORITOS 1969104 · TMA1176870 · design | Frito-Lay North America, Inc. | 30 Coffee | Registered | 2023 |
| DORITOS 1581036 · TMA891011 · design | Frito-Lay North America, Inc. | 30 Coffee | Registered | 2014 |
| DORITOS 1293265 · TMA731117 · design | Frito-Lay North America, Inc. (a Delaware Corporation) | 30 Coffee | Registered | 2008 |
| DORITOS 1153358 · TMA662548 · design | Frito-Lay North America, Inc. (a Delaware Corporation) | 30 Coffee | Registered | 2006 |
| DORITOS 0776118 · TMA646183 · design | Frito-Lay North America, Inc. (a Delaware Corporation) | 30 Coffee | Registered | 2005 |
| DORITOS 0308979 · TMA159034 | Frito-Lay North America, Inc. (a Delaware Corporation) | 30 Coffee | Registered | 1968 |
| DRITZ 1941654 · TMA1221784 · design | Prym Consumer USA Inc. | 2 Paints3 Cosmetics4 Oils+16 | Registered | 2024 |
| DRYTEC 1753805 · TMA1034870 | voestalpine Tubulars GmbH & Co KG | 6 Metal37 Construction | Registered | 2019 |
| DRYTAC 1637109 · TMA917288 | DRYTAC CANADA INC. | 16 Paper17 Rubber | Registered | 2015 |
| DRITZ 1179257 · TMA671329 · design | Prym Consumer USA Inc. | 1 Chemicals8 Hand9 Electronics+5 | Registered | 2006 |
| DRITZ 1179256 · TMA637467 · design | Prym Consumer USA Inc. | 1 Chemicals3 Cosmetics6 Metal+9 | Registered | 2005 |
| DRYTAC 0419923 · TMA244671 | DRYTAC CANADA INC. | 1 Chemicals7 Machines8 Hand+3 | Registered | 1980 |
| DRITZ 0295891 · TMA155404 | Prym Consumer USA Inc. | 7 Machines8 Hand9 Electronics+3 | Registered | 1968 |
| DRIDOSE 1605354 · TMA1035370 | Therakind Limited | 10 Medical | Registered | 2019 |
| DURATEC 1441871 · TMA853357 · design | Owner not shown | 25 Clothing | Registered | 2013 |
| DRUIDIC 1422402 · TMA826481 | Refresco Canada Inc. | 5 Pharmaceuticals32 Beer | Registered | 2012 |
| DURATEC 1208071 · TMA683901 | Ipex Branding Inc. | 6 Metal | Registered | 2007 |
| DURATEC 0746586 · TMA448029 | FORD MOTOR COMPANY | 12 Vehicles | Registered | 1995 |
| DURATAC 0621812 · TMA365920 | Petro-Canada Lubricants Inc. | 4 Oils | Registered | 1990 |
| DURATOCIN 0732462 · TMA514984 | an individual | 5 Pharmaceuticals | Registered | 1999 |
| Daretech 2157804 · TMA1218364 | Shenzhen Geeke Vapor Technology Co.Ltd. | 34 Tobacco | Registered | 2024 |
| drutex 2123985 · TMA1188494 | an individual | 6 Metal19 Building35 Advertising+1 | Registered | 2023 |
| DROIDCON 1941956 · TMA1194465 | Mobile Seasons GmbH | 35 Advertising36 Finance41 Education+2 | Registered | 2023 |