| DELTAB 1539849 · TMA849807 | PRODUITS DELTA VICTO LTÉE | 9 Electronics35 Advertising | Registered | 2013 |
| deltaP 1465729 · TMA817313 | Saint-Gobain Ceramics & Plastics, Inc. | 1 Chemicals | Registered | 2012 |
| DeltaFil 2143663 · TMA1212110 | Mühlbauer Technology GmbH | 5 Pharmaceuticals | Registered | 2023 |
| DOLTHUB 2125105 · TMA1225101 | DoltHub, Inc. | 9 Electronics42 Science | Registered | 2024 |
| DELTAHUB 2090643 · TMA1250730 | Owner not shown | 9 Electronics10 Medical25 Clothing+2 | Registered | 2024 |
| Dillitop 1901077 · TMA1091670 | Shenzhen MeiYue Electronics Co. Ltd. | 9 Electronics28 Toys | Registered | 2021 |
| DELTAPEAK 1894858 · TMA1089698 | Teijin Frontier Co. Ltd. | 24 Textiles25 Clothing | Registered | 2020 |
| DELTAWAVE 1857608 · TMA1023580 | Medaris Inc. | 20 Furniture | Registered | 2019 |
| DELTAFILL 1710237 · TMA1027323 | DePuy Synthes, Inc. | 10 Medical | Registered | 2019 |
| DELTABEAM 1641685 · TMA892283 | an individual | 6 Metal | Registered | 2014 |
| DEALTAP 1631673 · TMA959242 · design | DealTap Group Inc. | 9 Electronics35 Advertising | Registered | 2017 |
| DealTap 1631671 · TMA959255 | DealTap Group Inc. | 9 Electronics35 Advertising | Registered | 2017 |
| DELTYBA 1580707 · TMA978375 | OTSUKA PHARMACEUTICAL CO. LTD. | 5 Pharmaceuticals | Registered | 2017 |
| DELTABOT 1466397 · TMA800793 | AEMK Systems, Inc. | 7 Machines | Registered | 2011 |
| DAILYADVANCE 1458570 · TMA784056 | Galderma Holding SA | 3 Cosmetics | Registered | 2010 |
| DELTABASE 1428242 · TMA763577 | Boart Longyear Company | 7 Machines | Registered | 2010 |
| DELTAPLUSH 1416138 · TMA862274 | DePuy Synthes, Inc. | 10 Medical | Registered | 2013 |
| DELTAPA 1408719 · TMA766667 | IQVIA Solutions Canada Inc. | 9 Electronics35 Advertising | Registered | 2010 |
| DELTAPAQ 1382456 · TMA817032 | DePuy Synthes, Inc. | 10 Medical | Registered | 2012 |
| DELTAPILOT 1333098 · TMA730902 | ENDRESS+HAUSER SE+CO. KG | 9 Electronics | Registered | 2008 |
| DELTABAR 1333097 · TMA731796 | ENDRESS+HAUSER SE+CO. KG | 9 Electronics | Registered | 2009 |
| DELTAVALVE 1204302 · TMA715454 · design | DeltaValve, LLC | 7 Machines | Registered | 2008 |
| DELTAVIEW 1041798 · TMA570320 | Workshare Ltd. | 9 Electronics16 Paper | Registered | 2002 |
| DELTAPURGE 1033246 · TMA556345 | Meri Environmental Solutions GmbH | 9 Electronics | Registered | 2002 |
| DELTAFLOW 0869643 · TMA568387 | BL Technologies, Inc. | 37 Construction40 Treatment | Registered | 2002 |