| ENERPLUS 1238184 · TMA714177 | ENERPLUS CORPORATION | 1 Chemicals4 Oils19 Building+6 | Registered | 2008 |
| ENEROPTIONS 0902070 | ENERGY SECRETARIAL OF THE PROVINCE OF NEW BRUNSWICK | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 1985 |
| ENEROPTIONS 0902069 · design | ENERGY SECRETARIAL OF THE PROVINCE OF NEW BRUNSWICK | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 1985 |
| ENERVISTA 2259631 · TMA1279358 | INKSTER PARK MILLWORK LTD. | 6 Metal19 Building | Registered | 2024 |
| ENERFREES 2100694 · TMA1247865 | Enerfrees Window and Wall Systems Ltd. | 1 Chemicals6 Metal7 Machines+5 | Registered | 2024 |
| ENHERVYDA 2037917 · TMA1206991 | Daiichi Sankyo Company, Limited | 5 Pharmaceuticals | Registered | 2023 |
| ENERPURE 2032139 · TMA1266619 | HD - Petroleum Inc. | 40 Treatment | Registered | 2024 |
| EnerVac 2008988 · TMA1148815 | EnerMech Ltd | 7 Machines | Registered | 2022 |
| ENERVAC 1944882 · TMA1155727 | Enervac International ULC, a British Columbia unlimited liability company | 6 Metal7 Machines9 Electronics+2 | Registered | 2022 |
| Enerportal 1888898 · TMA1089819 | Enerpro Systems Corp. | 41 Education42 Science | Registered | 2020 |
| ENERVENT 1824212 · TMA1037990 | Stowe Woodward LLC | 7 Machines | Registered | 2019 |
| ENERUP 1820740 · TMA1011194 | EnerUp World Inc. | 3 Cosmetics5 Pharmaceuticals11 Lighting+3 | Registered | 2018 |
| ENERPLOT 1818809 · TMA1032267 | Manitoba Hydro International Ltd. | 9 Electronics | Registered | 2019 |
| ENRIAV 1811244 · TMA1062447 · design | Daiichi Sankyo Company, Limited | 5 Pharmaceuticals | Registered | 2019 |
| ENERPRO 1794848 · TMA1040833 | PMI Nutrition International, LLC | 5 Pharmaceuticals31 Fresh | Registered | 2019 |
| ENERVIVE 1726705 · TMA1020546 | Daniel Scothorn Nutrition Services Limited | 25 Clothing31 Fresh | Registered | 2019 |
| ENERPLEX 1604560 · TMA960745 · design | Pantone Projects, Inc. | 9 Electronics | Registered | 2017 |
| ENERPRO 1560219 · TMA856429 | ARTELIA CANADA INC. | 35 Advertising37 Construction41 Education+1 | Registered | 2013 |
| ÉNERPRO 1560218 · TMA856428 | ARTELIA CANADA INC. | 35 Advertising37 Construction41 Education+1 | Registered | 2013 |
| EMERVEL 1536626 · TMA919884 | Galderma Holding SA | 5 Pharmaceuticals10 Medical | Registered | 2015 |
| EnerView 1506136 · TMA843106 | 2265374 Ontario Inc. | 6 Metal19 Building | Registered | 2013 |
| EnerPellets 1460600 · TMA790288 | Farines SPB Ltée | 4 Oils | Registered | 2011 |
| ENERFIN 1443059 · TMA775689 | 3075109 CANADA INC. d.b.a. THERMOFIN | 7 Machines40 Treatment | Registered | 2010 |
| ENERBLOG 1436365 · TMA784256 | EnerNOC, Inc. a Delaware Corporation | 41 Education | Registered | 2010 |
| ENERFLOW 1367820 · TMA725686 | NOV Enerflow ULC | 7 Machines16 Paper21 Housewares+4 | Registered | 2008 |