| S-ELECTRO 2144928 · TMA1182019 | Silverback Technologie GmbH | 12 Vehicles | Registered | 2023 |
| ÉLECTRO-LOC 1853911 · TMA1017270 | 9284-5502 Québec inc. | 35 Advertising37 Construction39 Transport+1 | Registered | 2019 |
| ELECTRO-GEN 1734190 · TMA987911 | Legend Brands, Inc. | 11 Lighting | Registered | 2018 |
| ELECTRO AIR 1114319 · TMA581751 · design | FIVE SEASONS COMFORT LIMITED, a legal entity | 11 Lighting | Registered | 2003 |
| ELECTRO-LUBE 2044345 · TMA1270859 · design | Stephania Holdings Inc. | 7 Machines | Registered | 2024 |
| ELECTRO DUST 1910910 · TMA1093710 | CLEAN ALL ENVIRONMENTAL SERVICES INC. | 11 Lighting | Registered | 2021 |
| ELECTRO RENT 1842037 · TMA1104628 | Electro Rent Corporation | 35 Advertising37 Construction42 Science | Registered | 2021 |
| ELECTRO LIFE 1802458 · TMA1020073 | Owner not shown | 5 Pharmaceuticals30 Coffee32 Beer | Registered | 2019 |
| ELECTRO LIFE 1802456 · TMA1023353 · design | Owner not shown | 5 Pharmaceuticals30 Coffee32 Beer | Registered | 2019 |
| ELECTRO-DYNE 1645421 · TMA889974 | MODERN ORGANICS INC. | 1 Chemicals | Registered | 2014 |
| ELECTRO-GARD 1561042 · TMA907372 | Perma-Pipe, Inc. | 17 Rubber | Registered | 2015 |
| ELECTRO TRAC 1481634 · TMA849132 | GE Energy Oilfield Technology, Inc. | 9 Electronics | Registered | 2013 |
| ELECTRO-NITE 0809536 · TMA495840 | an individual | 6 Metal9 Electronics20 Furniture | Registered | 1998 |
| ELECTRO-NITE 0300545 · TMA154293 | an individual | 9 Electronics | Registered | 1967 |
| ELECTRO LIFE 1977522 · combined | Owner not shown | 5 Pharmaceuticals32 Beer | Pending | 2019 |
| ELECTRO FORCE 2241996 · TMA1261665 | Robinson Gateway Inc. | 9 Electronics | Registered | 2024 |
| ELECTRO LEDUC 2127966 · TMA1246175 · design | Owner not shown | 9 Electronics | Registered | 2024 |
| Electro Dream 1974453 · TMA1121444 | an individual | 9 Electronics | Registered | 2022 |
| ELECTRO LINER 1753180 · TMA1004583 | an individual | 3 Cosmetics | Registered | 2018 |
| ELECTRO-VOICE 1568995 · TMA884021 | Bosch Security Systems, Inc. | 9 Electronics | Registered | 2014 |
| RETRO ELECTRO 1462628 · TMA865884 | Steam Whistle Brewing Inc. | 32 Beer35 Advertising39 Transport | Registered | 2013 |
| ELECTRO-LUBER 0673155 · TMA405523 | Stephania Holdings Inc. | 7 Machines | Registered | 1992 |
| ELECTRO SHADE 0593830 · TMA344824 | Mechoshade Systems, LLC | 20 Furniture | Registered | 1988 |
| ELECTRO-VOICE 0227822 · TMA114364 · design | Bosch Security Systems, Inc. | 9 Electronics | Registered | 1959 |
| ELECTRO LIGHT 2355822 · design | HUFFY CORPORATION | 12 Vehicles28 Toys35 Advertising | Pending | 2024 |