| ENTERGATE 2031065 · TMA1141248 | an individual | 9 Electronics35 Advertising42 Science | Registered | 2022 |
| ENTERRA 1931861 · TMA1122994 · design | Enterra Feed Corporation | 1 Chemicals3 Cosmetics4 Oils+3 | Registered | 2022 |
| ENTERRA 1914063 · TMA1122993 | Enterra Feed Corporation | 1 Chemicals3 Cosmetics4 Oils+3 | Registered | 2022 |
| ENTRUST 1866602 · TMA1103116 | Entrust Adult Inc. | 35 Advertising41 Education44 Medical | Registered | 2021 |
| ENTRANT 1838802 · TMA1026863 | St. Jude Medical, LLC | 10 Medical | Registered | 2019 |
| ENTERADE 1831195 · TMA1033874 | Entrinsic, Inc. | 5 Pharmaceuticals32 Beer | Registered | 2019 |
| EnterNet 1738018 · TMA964261 | an individual | 7 Machines16 Paper | Registered | 2017 |
| ENTERVAN 1455356 · TMA797244 | THE BRAUN CORPORATION | 12 Vehicles | Registered | 2011 |
| ENTERA 1427306 · TMA803167 | Plantronics, Inc. | 9 Electronics | Registered | 2011 |
| ENTERRA 1284260 · TMA685953 | DENTSPLY SIRONA Inc. | 10 Medical | Registered | 2007 |
| ENTRUST 1260009 · TMA741456 | Corteva Agriscience LLC | 5 Pharmaceuticals | Registered | 2009 |
| ENTRUST 1253823 · TMA670553 | Entrust CPAs Ltd. | 35 Advertising | Registered | 2006 |
| ENTRUST 0749731 · TMA444058 | Entrust Datacard Corporation | 9 Electronics | Registered | 1995 |
| ENTRANT 0518397 · TMA300370 | TORAY INDUSTRIES INC. | 24 Textiles | Registered | 1985 |
| ENTRANT 0495991 · TMA293770 | TORAY INDUSTRIES INC. | 25 Clothing | Registered | 1984 |
| ENTRUST 2088773 | Entrust Corporation | 7 Machines9 Electronics16 Paper+5 | Pending | 2020 |
| ENTERPRISE 2106823 · TMA1156572 | an individual | 20 Furniture | Registered | 2022 |
| ENTERPRISE 2020518 · TMA1146675 | ENTERPRISE HOLDINGS, INC. | 9 Electronics35 Advertising36 Finance+2 | Registered | 2022 |
| ENTERPRISE 2017705 · TMA1257548 · design | ENTERPRISE HOLDINGS, INC. | 35 Advertising36 Finance | Registered | 2024 |
| ENTERPRISE 1942375 · TMA1142144 · design | ENTERPRISE HOLDINGS, INC. | 36 Finance | Registered | 2022 |
| ENTERPRISE 1920281 · TMA1101791 · design | ENTERPRISE HOLDINGS, INC. | 39 Transport42 Science | Registered | 2021 |
| ENTERPRISE 1920279 · TMA1101789 | ENTERPRISE HOLDINGS, INC. | 39 Transport42 Science | Registered | 2021 |
| ENTERPRISE 1594032 · TMA852437 · design | ENTERPRISE HOLDINGS, INC. | 16 Paper21 Housewares28 Toys+1 | Registered | 2013 |
| ENTERPRISE 1554075 · TMA836396 | Mitacs Inc. | 41 Education | Registered | 2012 |
| ENTERPRISE 1512576 · TMA827424 · design | ENTERPRISE HOLDINGS, INC. | 35 Advertising39 Transport | Registered | 2012 |