| DYNACEL 0423659 · TMA267626 | ESRMCO, Inc. | 9 Electronics12 Vehicles | Registered | 1982 |
| DYNECELL 0781715 · TMA458646 · design | Luxfer Canada Limited | 4 Oils12 Vehicles | Registered | 1996 |
| DINCEL 2125312 · TMA1224346 | an individual | 19 Building | Registered | 2024 |
| DYMACEL 1626938 · TMA933620 | British Knights NA LLC | 25 Clothing | Registered | 2016 |
| DYNASEAL 1971652 · TMA1250518 | DePuy Synthes, Inc. | 41 Education | Registered | 2024 |
| DYNACOIL 0549238 · TMA340089 | ASCO GROUP LIMITED | 25 Clothing | Registered | 1988 |
| DYNACOLL 0479657 · TMA275254 | Evonik Operations GmbH | 1 Chemicals | Registered | 1982 |
| DENOSYL 2183931 · TMA1216446 | NUTRAMAX LABORATORIES, INC. | 5 Pharmaceuticals | Registered | 2023 |
| DYNASOL 1531827 · TMA912473 · design | DYNASOL ELASTOMEROS, S.A. a Spanish joint stock company | 1 Chemicals17 Rubber | Registered | 2015 |
| DANACOL 1222178 · TMA688059 | Owner not shown | 29 Meat30 Coffee | Registered | 2007 |
| DENOSYL 1183165 · TMA624912 | NUTRAMAX LABORATORIES, INC. (A Maryland Corporation) | 5 Pharmaceuticals | Registered | 2004 |
| DENSCAL 1112746 · TMA592091 | Georgia-Pacific Gypsum LLC a Delaware limited liability company | 19 Building | Registered | 2003 |
| DENSCAL 1045118 · TMA614415 | an individual | 7 Machines12 Vehicles | Registered | 2004 |
| DYNAKIL 0392771 · TMA241721 | Wood Wyant Canada Inc. | 3 Cosmetics5 Pharmaceuticals | Registered | 1980 |
| DYNASOL 0198217 · UCA29476 | SUN LUBRICANTS AND SPECIALTY PRODUCTS INC. | 4 Oils | Registered | 1948 |
| DYNACLEAN 1966068 · TMA1264646 | AS America, Inc. | 11 Lighting | Registered | 2024 |
| DYNACLEAN 1492425 · TMA823033 | an individual | 9 Electronics37 Construction42 Science | Registered | 2012 |
| DynaCleft 1345961 · TMA725198 | Canica Design Inc. | 5 Pharmaceuticals | Registered | 2008 |
| Donacelet 2246270 | Owner not listed | 35 Advertising | Pending | 2023 |
| DYNACELLECT 2141789 · TMA1184355 | Life Technologies Corporation | 9 Electronics11 Lighting | Registered | 2023 |
| DONGLI 2256083 · TMA1274700 · design | Longkou Dongli Wire and Cable Co.,Ltd. | 7 Machines9 Electronics11 Lighting | Registered | 2024 |
| DINOSOLES 2245573 · TMA1267096 · design | KCGLOBIZ CO. LTD | 25 Clothing | Registered | 2024 |
| DONGLAIYE 2204333 · TMA1240078 | Shanghai Donglaiye Brand Management Co., Ltd. | 9 Electronics | Registered | 2024 |
| DEANGELMON 2167576 · TMA1213512 | an individual | 25 Clothing | Registered | 2023 |
| DINGLES 2145631 · TMA1201772 | Secret Pirates Entertainment Inc. | 9 Electronics16 Paper21 Housewares+3 | Registered | 2023 |