| ENTHRYV 1856931 · TMA1074524 | Elanco US Inc. | 5 Pharmaceuticals | Registered | 2020 |
| ENTHRONE 1498381 · TMA813884 | KOMORI CORPORATION, A JAPANESE CORPORATION | 7 Machines | Registered | 2011 |
| ENTHRILL 1481926 · TMA810164 | ENTHRILL DISTRIBUTION INC. | 5 Pharmaceuticals6 Metal9 Electronics+17 | Registered | 2011 |
| ENTRIVA 2286265 | CIBT, Inc. | 39 Transport | Pending | 2023 |
| ENTERACTIVE 2217276 | Enteractive Holding Limited | 35 Advertising41 Education | Pending | 2022 |
| ENTRIX 2183604 · TMA1282680 | Entrix GmbH | 9 Electronics39 Transport42 Science | Registered | 2025 |
| ENTERADE 1831195 · TMA1033874 | Entrinsic, Inc. | 5 Pharmaceuticals32 Beer | Registered | 2019 |
| ENTRÉE 1708737 · TMA965554 | Mitten Inc. | 6 Metal19 Building35 Advertising | Registered | 2017 |
| entree 1550916 · TMA874337 | an individual | 25 Clothing | Registered | 2014 |
| ENTRIGUE 1386007 · TMA790535 | ARTHROCARE CORPORATION | 5 Pharmaceuticals10 Medical | Registered | 2011 |
| ENTRÉ 1294868 · TMA750682 | Starkey Laboratories, Inc. (a Minnesota corporation) | 9 Electronics | Registered | 2009 |
| EMTRIVA 1192398 · TMA676539 | GILEAD SCIENCES, INC., A DELAWARE CORPORATION | 5 Pharmaceuticals | Registered | 2006 |
| ENTEROVU 0759509 · TMA458910 | E-Z-EM CANADA INC. | 5 Pharmaceuticals | Registered | 1996 |
| ENDURIDE 0641082 · TMA381235 | TECHNOLOGIES ENDURIDE INC. | 7 Machines | Registered | 1991 |
| ENTREE 0604871 · TMA355903 | Kraft Heinz Canada ULC | 30 Coffee | Registered | 1989 |
| ENTRE 0593236 · TMA405045 | Global Total Office (an Ontario limited partnership) | 20 Furniture | Registered | 1992 |
| ENTERION 2354884 | an individual | 5 Pharmaceuticals32 Beer41 Education | Pending | 2024 |
| ENTERVO 2262797 | Owner not shown | 9 Electronics36 Finance42 Science | Pending | 2023 |
| Entris 2254615 | Sartorius Lab Instruments GmbH & Co. KG | 9 Electronics | Pending | 2023 |
| 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 |