| ENTHRILL 1481926 · TMA810164 | ENTHRILL DISTRIBUTION INC. | 5 Pharmaceuticals6 Metal9 Electronics+17 | Registered | 2011 |
| EMTROL 1876763 · TMA1087932 | Emery Oleochemicals LLC | 1 Chemicals | Registered | 2020 |
| ENTRON 1768049 · TMA979597 | Entron Controls, LLC | 9 Electronics | Registered | 2017 |
| ENTRAL 1732944 · TMA997168 | Avent, Inc. | 10 Medical | Registered | 2018 |
| Entropy 1515764 · TMA832585 | an individual | 9 Electronics16 Paper25 Clothing+3 | Registered | 2012 |
| ENTROPY 1335546 · TMA705524 | INTERFACE INC. | 27 Carpets | Registered | 2008 |
| ENTROPY 1205536 · TMA696329 | an individual | 9 Electronics35 Advertising42 Science | Registered | 2007 |
| ENTRO 2093731 | Entro Communications Inc. | 35 Advertising41 Education42 Science | Pending | 2021 |
| ENTRAFLO 1968038 · TMA1251760 | Medline Industries, LP | 9 Electronics10 Medical | Registered | 2024 |
| ENTRAFLO 1786843 · TMA976920 | Medline Industries, LP | 10 Medical | Registered | 2017 |
| ENTHRONE 1498381 · TMA813884 | KOMORI CORPORATION, A JAPANESE CORPORATION | 7 Machines | Registered | 2011 |
| ENTEROVU 0759509 · TMA458910 | E-Z-EM CANADA INC. | 5 Pharmaceuticals | Registered | 1996 |
| ENTRELEC 0300718 · TMA152460 | TE Connectivity Solutions GmbH | 6 Metal7 Machines9 Electronics+5 | Registered | 1967 |
| Entropya 2319484 | an individual | 9 Electronics37 Construction42 Science | Pending | 2023 |
| ENDUROWALL 1595775 · TMA881234 | BlueScope Steel Limited | 6 Metal | Registered | 2014 |
| ENTEROSGEL 1514510 · TMA835763 | an individual | 5 Pharmaceuticals | Registered | 2012 |
| ENTEROLERT 1397187 · TMA748598 | IDEXX LABORATORIES, INC. | 1 Chemicals | Registered | 2009 |
| ENTRIX 2183604 · TMA1282680 | Entrix GmbH | 9 Electronics39 Transport42 Science | Registered | 2025 |
| 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 |
| ENTRYIQ 1935065 · TMA1118762 | Therma-Tru Corp. | 6 Metal9 Electronics19 Building | Registered | 2022 |
| ENTRADA 1888425 · TMA1130161 | Entrada Therapeutics, Inc. | 5 Pharmaceuticals42 Science | 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 |