| DECO 2271624 · TMA1266078 | Owner not listed | 11 Lighting | Registered | 2024 |
| DASCO 2033260 · TMA1158090 | Dunkelman & Son Limited. | 3 Cosmetics21 Housewares25 Clothing+2 | Registered | 2022 |
| DAYCO 1954955 · TMA1270473 | DAYCO IP HOLDINGS, LLC | 7 Machines8 Hand9 Electronics+7 | Registered | 2024 |
| DAYCO 1954702 · TMA1270474 · design | DAYCO IP HOLDINGS, LLC | 7 Machines8 Hand9 Electronics+7 | Registered | 2024 |
| DECO 1818357 · TMA1038924 · design | G-Mode Corporation | 9 Electronics25 Clothing28 Toys+1 | Registered | 2019 |
| DAEC 1695229 · TMA976051 | Owner not shown | 7 Machines9 Electronics12 Vehicles+2 | Registered | 2017 |
| DAWCO 1695217 · TMA928902 | ENTREPRISES DE CONSTRUCTION DAWCO INC. / DAWCO CONSTRUCTION ENTERPRISES INC. | 37 Construction40 Treatment42 Science | Registered | 2016 |
| DECO 1620743 · TMA882055 | Platinum Naturals Ltd. | 5 Pharmaceuticals | Registered | 2014 |
| DECO 1552501 · TMA876793 | LX HAUSYS, Ltd. | 19 Building27 Carpets | Registered | 2014 |
| DECO 1459764 · TMA775257 | DECO Windshield Repair Inc. | 37 Construction | Registered | 2010 |
| DECO 1001026 · TMA533241 · design | DECO ADHESIVE PRODUCTS (1985) Limited | 6 Metal16 Paper42 Science | Registered | 2000 |
| DAYCO 0644025 · TMA378173 | DAYCO IP HOLDINGS, LLC | 9 Electronics11 Lighting | Registered | 1991 |
| DASCO 0510236 · TMA300336 | Dasco Storage Solutions Ltd. | 7 Machines9 Electronics11 Lighting+2 | Registered | 1985 |
| DAYCO 0365580 · TMA200421 | DAYCO IP HOLDINGS, LLC | 12 Vehicles | Registered | 1974 |
| DECO 0342219 · TMA185871 · design | DECO ADHESIVE PRODUCTS (1985) Limited | 6 Metal9 Electronics14 Jewellery+4 | Registered | 1972 |
| DASCO 0308172 · TMA162047 | D.A. Stuart Inc. | 1 Chemicals2 Paints3 Cosmetics+4 | Registered | 1969 |
| DAYCO 0264374 · TMA125199 | DAYCO IP HOLDINGS, LLC | 12 Vehicles | Registered | 1962 |
| DASCO 0128426 · TMDA39734 | DASCO PRO, INC. AN ILLINOIS CORPORATION | 8 Hand | Registered | 1926 |
| DECO 2124131 · design | TP-LINK CORPORATION LIMITED | 9 Electronics | Pending | 2021 |
| DECO 2013866 | Riskified Ltd. | 9 Electronics36 Finance42 Science+1 | Pending | 2020 |
| DAEKYO 1666551 · TMA964820 · design | DAEKYO CO., LTD. | 16 Paper35 Advertising41 Education+1 | Registered | 2017 |
| DHASCO 0764296 · TMA475083 | an individual | 1 Chemicals5 Pharmaceuticals29 Meat | Registered | 1997 |
| DASHCO 2327036 | Groupe de ventes Janaca inc. | 6 Metal | Pending | 2024 |
| DEKCO 2159247 · TMA1219205 · design | GLAZERO INTERNATIONAL INC | 9 Electronics | Registered | 2024 |
| DECA 2144076 · TMA1280563 · design | Distributive Education Clubs of America, Inc. | 9 Electronics16 Paper35 Advertising+1 | Registered | 2025 |