| DCM 1915318 · TMA1132476 | Owner not shown | 9 Electronics35 Advertising42 Science | Registered | 2022 |
| DHCM 1880396 · TMA1051417 | TROLL CO. LTD. | 16 Paper25 Clothing | Registered | 2019 |
| DCM 1643658 · TMA916092 | DCM Group Industrial Contractors Inc. / Groupe de construction industrielle DCM Inc. | 37 Construction | Registered | 2015 |
| DCM 1499722 · TMA855283 | DCM De Ceuster Meststoffen, joint stock company | 1 Chemicals5 Pharmaceuticals29 Meat+3 | Registered | 2013 |
| DCCM 2065187 | DISHANG GROUP CO.LTD. | 25 Clothing | Pending | 2020 |
| DICOM 1773531 · TMA984244 · design | Dicom Transportation Group Canada, Inc. | 39 Transport | Registered | 2017 |
| DICOM 1766586 · TMA959759 | Dicom Transportation Group Canada, Inc. | 39 Transport | Registered | 2017 |
| Dacom 1402750 · TMA750715 | Dacom Technical Services Inc. | 38 Telecommunications42 Science | Registered | 2009 |
| DDCOM 0874120 · TMA539548 | DOUBLE DIAMOND ELECTRONICS LTD. | 9 Electronics35 Advertising37 Construction | Registered | 2001 |
| DICOM 0813984 · TMA536791 | NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION | 42 Science | Registered | 2000 |
| DYCEM 0363939 · TMA200093 | Dycem Limited | 5 Pharmaceuticals7 Machines9 Electronics+4 | Registered | 1974 |
| DYKEM 0154849 · TMDA52673 | ILLINOIS TOOL WORKS INC. | 1 Chemicals3 Cosmetics5 Pharmaceuticals | Registered | 1931 |
| DYCEM 2324748 · design | Dycem Limited | 17 Rubber21 Housewares27 Carpets | Pending | 2023 |
| Deucana 2259676 · TMA1277931 | an individual | 5 Pharmaceuticals | Registered | 2024 |
| Deecam 2257661 · TMA1276386 | Shenzhen Tianlaimei Trading Co. Ltd | 6 Metal | Registered | 2024 |
| DOCKEM 2245439 · TMA1267092 | Organization Solutions, LLC | 9 Electronics18 Leather | Registered | 2024 |
| DIGUAN 2240432 · TMA1260034 | an individual | 26 Sewing | Registered | 2024 |
| DESINO 2232305 · TMA1223937 | Shenzhen Yueshen Technology Co. Ltd. | 20 Furniture | Registered | 2024 |
| DEZIN 2223400 · TMA1248835 · design | Guangdong Dingxian Technology Co., Ltd. | 11 Lighting | Registered | 2024 |
| DJAAM 2197365 · TMA1237385 | 13042189 Canada Inc | 35 Advertising | Registered | 2024 |
| DUOCEM 2195404 · TMA1220032 | Owner not shown | 5 Pharmaceuticals | Registered | 2024 |
| DUSHINE 2188778 · TMA1234605 | Yiwu Yishan Trading Co. Ltd. | 9 Electronics | Registered | 2024 |
| Dayazen 2186000 · TMA1231568 | Metta Home and Technologies Inc | 21 Housewares26 Sewing | Registered | 2024 |
| dokkan 2176060 · TMA1264017 | HERB KENKO HONPO INC. | 5 Pharmaceuticals | Registered | 2024 |
| DOGHOME 2172817 · TMA1223164 · design | Kunming Zhiyan Technology Co. Ltd. | 18 Leather | Registered | 2024 |