| ENTEROPORC 2223453 · TMA1231815 | an individual | 5 Pharmaceuticals | Registered | 2024 |
| ENTEROTEC 2143914 · TMA1215217 | Oil-Dri Corporation of America | 5 Pharmaceuticals | Registered | 2023 |
| EnterNet 1738018 · TMA964261 | an individual | 7 Machines16 Paper | Registered | 2017 |
| Enterneers 2210983 | an individual | 35 Advertising41 Education | Pending | 2022 |
| ENTEROLACTIS 1528114 · TMA836263 | an individual | 5 Pharmaceuticals | Registered | 2012 |
| ENTEROGERMINA 1915774 · TMA1102034 | an individual | 5 Pharmaceuticals | Registered | 2021 |
| 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 |
| ENTERADE 1831195 · TMA1033874 | Entrinsic, Inc. | 5 Pharmaceuticals32 Beer | Registered | 2019 |
| ENTEROCUFF 1780735 · TMA1037042 | KEYMED (MEDICAL & INDUSTRIAL EQUIPMENT) LIMITED | 10 Medical | Registered | 2019 |
| ENTEREG 1671244 · TMA912365 | Merck Sharp & Dohme LLC | 5 Pharmaceuticals | Registered | 2015 |
| ENTERIPURE 1659453 · TMA959347 | Natural Factors Nutritional Products Ltd. | 5 Pharmaceuticals | Registered | 2017 |
| ENTEROSGEL 1514510 · TMA835763 | an individual | 5 Pharmaceuticals | Registered | 2012 |
| ENTHRONE 1498381 · TMA813884 | KOMORI CORPORATION, A JAPANESE CORPORATION | 7 Machines | Registered | 2011 |
| ENTERICARE 1379808 · TMA775348 | Patheon Softgels, Inc. | 5 Pharmaceuticals | Registered | 2010 |
| ENTERFAST 1375361 · TMA816978 | Ecolab USA, Inc. | 1 Chemicals42 Science | Registered | 2012 |
| ENTERRA 1284260 · TMA685953 | DENTSPLY SIRONA Inc. | 10 Medical | Registered | 2007 |
| ENTEROVAX 1221110 · TMA690665 | Intervet Inc. | 5 Pharmaceuticals | Registered | 2007 |
| ENTERO 0894835 · TMA546809 | Quorum Business Solutions, Inc. | 9 Electronics | Registered | 2001 |
| ENTRÖLL 0780130 · TMA465236 · design | MEDTRONIC XOMED, INC. (a Delaware corporation) | 10 Medical | Registered | 1996 |
| ENTEROVU 0759509 · TMA458910 | E-Z-EM CANADA INC. | 5 Pharmaceuticals | Registered | 1996 |
| ENTRENET 0597911 · TMA354838 | ENTRENET COMMUNICATIONS INC. | 38 Telecommunications | Registered | 1989 |
| ENTEROTUBE 0333696 · TMA178335 | BECTON DICKINSON GmbH | 10 Medical | Registered | 1971 |
| ENTRELEC 0300718 · TMA152460 | TE Connectivity Solutions GmbH | 6 Metal7 Machines9 Electronics+5 | Registered | 1967 |
| ENTERMAURS 2084709 | an individual | 42 Science | Pending | 2021 |