| DIRECTSOURCE 2144866 · TMA1187746 | SupplyFrame, Inc. | 42 Science | Registered | 2023 |
| DIRECTAIRE 1492178 · TMA809337 | Tate Access Floors, Inc. | 6 Metal | Registered | 2011 |
| DIRECTOVALVE 0590950 · TMA344076 | SPRAYING SYSTEMS COMPANY | 7 Machines9 Electronics11 Lighting+2 | Registered | 1988 |
| DIRECTLINE 2308596 | ReBalance Health, Inc. | 1 Chemicals | Pending | 2024 |
| DirectGuide 2290844 | Owner not listed | 10 Medical | Pending | 2023 |
| DIRECTPHYSICS 1802604 · TMA1053039 | Microsoft Corporation | 9 Electronics | Registered | 2019 |
| DirectConnect 1449231 · TMA794994 | an individual | 10 Medical | Registered | 2011 |
| DIRECTCONNECT 1242772 · TMA671744 | HUNTER DOUGLAS INC. (DELAWARE CORPORATION) | 35 Advertising42 Science | Registered | 2006 |
| DIRECTPITCH 2186541 · TMA1256356 · design | SHOKZ (SINGAPORE) PTE. LTD. | 9 Electronics | Registered | 2024 |
| DIRECTCHECK 2157192 · TMA1228882 | Accriva Diagnostics, Inc. | 1 Chemicals5 Pharmaceuticals | Registered | 2024 |
| DirectORGANS 1994573 · TMA1109406 | an individual | 9 Electronics | Registered | 2021 |
| DIRECTME 1944473 · TMA1239144 | an individual | 9 Electronics | Registered | 2024 |
| DIRECTISSIMA 1815516 · TMA1011497 | Whitetooth Brewing Company Ltd. | 32 Beer | Registered | 2018 |
| DIRECTCHEQUE 1812969 · TMA991877 | BANK OF MONTREAL | 36 Finance | Registered | 2018 |
| DirectView 1772266 · TMA1021253 | DMT Solutions Global Corporation, a Delaware corporation | 9 Electronics | Registered | 2019 |
| DIRECTATTACK 1716546 · TMA939235 | Tyco Fire & Security GmbH | 1 Chemicals | Registered | 2016 |
| DIRECTATTACK 1714881 · TMA939224 | Tyco Fire & Security GmbH | 1 Chemicals | Registered | 2016 |
| DIRECTFLOW 1570124 · TMA917226 | Hewlett Packard Enterprise Development LP | 9 Electronics | Registered | 2015 |
| DIRECTOR 1529391 · TMA824235 | Thomas & Betts International, Inc. | 9 Electronics | Registered | 2012 |
| DirectRF 1467258 · TMA789719 | Siemens Healthcare GmbH | 10 Medical | Registered | 2011 |
| DIRECTCU 1437737 · TMA821732 | Canadian Credit Union Association Cooperative | 9 Electronics14 Jewellery16 Paper+7 | Registered | 2012 |
| DIRECTTOUCH 1378068 · TMA829210 | Fresenius Medical Care Holdings, Inc. | 9 Electronics | Registered | 2012 |
| DirectSPARE 1130875 · TMA593152 | Körber Supply Chain Logistics GmbH | 7 Machines9 Electronics42 Science | Registered | 2003 |
| DIRECTVIEW 1045206 · TMA577376 | Carestream Health, Inc. a Delaware corporation | 9 Electronics | Registered | 2003 |
| DIRECTGATE 1022103 · TMA588707 | CSTAR TECHNOLOGIES INC. | 9 Electronics | Registered | 2003 |