| DIRECTCHEQUE 1812969 · TMA991877 | BANK OF MONTREAL | 36 Finance | Registered | 2018 |
| DirectConnect 1449231 · TMA794994 | an individual | 10 Medical | Registered | 2011 |
| DIRECTCONNECT 1242772 · TMA671744 | HUNTER DOUGLAS INC. (DELAWARE CORPORATION) | 35 Advertising42 Science | Registered | 2006 |
| DIRECTATTACK 1716546 · TMA939235 | Tyco Fire & Security GmbH | 1 Chemicals | Registered | 2016 |
| DIRECTATTACK 1714881 · TMA939224 | Tyco Fire & Security GmbH | 1 Chemicals | Registered | 2016 |
| DIRECTACCESS 1706429 · TMA925792 | Datawatch Systems, Inc. | 9 Electronics | Registered | 2016 |
| DIRECTPITCH 2186541 · TMA1256356 · design | SHOKZ (SINGAPORE) PTE. LTD. | 9 Electronics | Registered | 2024 |
| DIRECTME 1944473 · TMA1239144 | an individual | 9 Electronics | Registered | 2024 |
| DirectView 1772266 · TMA1021253 | DMT Solutions Global Corporation, a Delaware corporation | 9 Electronics | Registered | 2019 |
| DIRECTKEY 1725546 · TMA990934 | Carrier Corporation | 9 Electronics42 Science | Registered | 2018 |
| DIRECTBET 1520829 · TMA819617 | Caesars License Company, LLC | 41 Education | Registered | 2012 |
| DIRECTCU 1437737 · TMA821732 | Canadian Credit Union Association Cooperative | 9 Electronics14 Jewellery16 Paper+7 | Registered | 2012 |
| DIRECTTREND 1430082 · TMA765699 | an individual | 9 Electronics | Registered | 2010 |
| DIRECTTOUCH 1378068 · TMA829210 | Fresenius Medical Care Holdings, Inc. | 9 Electronics | Registered | 2012 |
| DIRECTSPEND 1323041 · TMA696133 | Blackhawk Network, Inc. (an Arizona corporation) | 35 Advertising36 Finance | Registered | 2007 |
| DIRECTTERM 1118228 · TMA594424 | BANK OF MONTREAL | 36 Finance | Registered | 2003 |
| DIRECTVIEW 1045206 · TMA577376 | Carestream Health, Inc. a Delaware corporation | 9 Electronics | Registered | 2003 |
| DIRECTEL 0858591 · TMA500728 | Royal & Sun Alliance Insurance Company of Canada | 36 Finance | Registered | 1998 |
| DIRECTARCH 2264577 | IMPLANT DIRECT SYBRON INTERNATIONAL LLC | 10 Medical | Pending | 2023 |
| DIRECT2PET 2121862 | Mars, Incorporated | 5 Pharmaceuticals31 Fresh35 Advertising+2 | Pending | 2021 |
| DIRECTPHYSICS 1802604 · TMA1053039 | Microsoft Corporation | 9 Electronics | Registered | 2019 |
| DIRECTPROTECT 0785513 · TMA466291 | CO-OPERATORS GENERAL INSURANCE COMPANY | 36 Finance45 Legal | Registered | 1996 |
| DIRECTSOURCE 2144866 · TMA1187746 | SupplyFrame, Inc. | 42 Science | Registered | 2023 |
| DirectConnex 1680883 · TMA923812 | an individual | 35 Advertising44 Medical | Registered | 2015 |
| DIRECTOFFICE 1622823 · TMA968156 | CSR Imaging US, LP | 9 Electronics | Registered | 2017 |