| Electrome 2363388 | CellEctric Biosciences GmbH | 9 Electronics10 Medical42 Science+1 | Pending | 2024 |
| ELECTROMEGA 1553537 · TMA904407 · design | an individual | 6 Metal9 Electronics11 Lighting+4 | Registered | 2015 |
| ELECTROMEGA 1553533 · TMA904404 · design | an individual | 2 Paints6 Metal9 Electronics+9 | Registered | 2015 |
| ELECTROMEGA 1553532 · TMA904406 | an individual | 6 Metal9 Electronics11 Lighting+4 | Registered | 2015 |
| ELECTROSPEC 0781382 · TMA458639 | an individual | 35 Advertising37 Construction38 Telecommunications+1 | Registered | 1996 |
| ELECTROMELT 0685777 · TMA401237 | nVent Services GmbH | 11 Lighting | Registered | 1992 |
| ELECTRODER 2177886 · TMA1245102 · design | ELECTRODER Ltd. | 9 Electronics35 Advertising38 Telecommunications+1 | Registered | 2024 |
| ELECTROM 2071762 · TMA1136674 | Electrom Instruments, Inc. | 9 Electronics | Registered | 2022 |
| ELECTROSEA 1883628 · TMA1092615 | Cosenco Partners LLC | 11 Lighting | Registered | 2021 |
| Electrodeo 1786695 · TMA990681 | an individual | 41 Education | Registered | 2018 |
| ElectroMag 1737915 · TMA939239 | CanPrev Natural Health Products Ltd. | 5 Pharmaceuticals | Registered | 2016 |
| ELECTROJAC 1689045 · TMA916892 | Neogen Corporation | 10 Medical | Registered | 2015 |
| ELECTROVE 1651531 · TMA1058513 | GLAXO GROUP LIMITED | 5 Pharmaceuticals44 Medical | Registered | 2019 |
| Electrobac 1611233 · TMA901643 | Électrobac Inc. | 40 Treatment | Registered | 2015 |
| ELECTROPAC 0756592 · TMA441981 | ELECTROPAC CO. INC. | 9 Electronics | Registered | 1995 |
| ELECTROMAX 0702653 · TMA430959 | an individual | 7 Machines | Registered | 1994 |
| ELECTROMAG 2240391 · design | Electro-Mag Inc. | 35 Advertising | Pending | 2023 |
| ELECTROMAG 2240360 | Electro-Mag Inc. | 35 Advertising | Pending | 2023 |
| ElectraMet 2215606 | PowerTech Water, Inc. | 9 Electronics11 Lighting | Pending | 2022 |
| ELECTROMATIC 0562970 · TMA328392 | Dresser, LLC | 7 Machines | Registered | 1987 |
| ELECTROHERB 1969322 · TMA1183376 | an individual | 7 Machines8 Hand9 Electronics+3 | Registered | 2023 |
| ELECTROFUEL 1007467 · TMA546569 | Electrovaya Inc. | 6 Metal7 Machines11 Lighting+1 | Registered | 2001 |
| ELECTROLENE 0605210 · TMA359392 | ELECTRO CABLES INC. | 9 Electronics | Registered | 1989 |
| ELECTROLOCK 0558676 · TMA328490 | ELECTROLOCK, INC. | 17 Rubber | Registered | 1987 |
| ELECTRODUCT 0318612 · TMA165869 | WIELAND ELECTRIQUE INC./ WIELAND ELECTRIC INC. | 9 Electronics | Registered | 1969 |