| ENTRA 1792892 · TMA979234 | Vecima Networks Inc. | 9 Electronics | Registered | 2017 |
| ENTRA 1636898 · TMA910594 | RAB LIGHTING INC. | 11 Lighting | Registered | 2015 |
| ENTRAFLO 1968038 · TMA1251760 | Medline Industries, LP | 9 Electronics10 Medical | Registered | 2024 |
| ENTRAFLO 1786843 · TMA976920 | Medline Industries, LP | 10 Medical | Registered | 2017 |
| entrata 2176010 · TMA1191175 · design | Entrata, Inc. | 9 Electronics35 Advertising36 Finance+2 | Registered | 2023 |
| ENTRATA 2154348 · TMA1257716 | Entrata, Inc. | 9 Electronics35 Advertising36 Finance+4 | Registered | 2024 |
| ENTRATA 2149532 · TMA1188747 · design | Entrata, Inc. | 45 Legal | Registered | 2023 |
| ENTRADA 1888425 · TMA1130161 | Entrada Therapeutics, Inc. | 5 Pharmaceuticals42 Science | Registered | 2022 |
| ENTRANT 1838802 · TMA1026863 | St. Jude Medical, LLC | 10 Medical | Registered | 2019 |
| ENTRADA 1793178 · TMA1041484 | ADVONEX INTERNATIONAL CORP. | 1 Chemicals3 Cosmetics4 Oils | Registered | 2019 |
| ENTRANS 1715196 · TMA990460 | EnTrans International, LLC | 6 Metal7 Machines12 Vehicles+1 | Registered | 2018 |
| ENTRATA 1591880 · TMA913568 | HAUT CIEL INC. | 25 Clothing | Registered | 2015 |
| ENTRAIN 0896273 · TMA530736 | Groupe Dallaire inc. | 41 Education | Registered | 2000 |
| ENTRÖLL 0780130 · TMA465236 · design | MEDTRONIC XOMED, INC. (a Delaware corporation) | 10 Medical | Registered | 1996 |
| ENTRANT 0518397 · TMA300370 | TORAY INDUSTRIES INC. | 24 Textiles | Registered | 1985 |
| ENTRANT 0495991 · TMA293770 | TORAY INDUSTRIES INC. | 25 Clothing | Registered | 1984 |
| ENTRIX 2183604 · TMA1282680 | Entrix GmbH | 9 Electronics39 Transport42 Science | Registered | 2025 |
| EMTROL 1876763 · TMA1087932 | Emery Oleochemicals LLC | 1 Chemicals | Registered | 2020 |
| ENTRON 1768049 · TMA979597 | Entron Controls, LLC | 9 Electronics | Registered | 2017 |
| ENTRÉE 1708737 · TMA965554 | Mitten Inc. | 6 Metal19 Building35 Advertising | Registered | 2017 |
| ENTREC 1587721 · TMA866418 · design | ENTREC Corporation | 39 Transport | Registered | 2013 |
| ENTREC 1587533 · TMA866417 | ENTREC Corporation | 39 Transport | Registered | 2013 |
| entree 1550916 · TMA874337 | an individual | 25 Clothing | Registered | 2014 |
| ENTERA 1427306 · TMA803167 | Plantronics, Inc. | 9 Electronics | Registered | 2011 |
| ENTRÉ 1294868 · TMA750682 | Starkey Laboratories, Inc. (a Minnesota corporation) | 9 Electronics | Registered | 2009 |