| ENERSOFT 1625248 · TMA895890 · design | Enersoft Inc. | 9 Electronics35 Advertising42 Science | Registered | 2015 |
| ENERSOFT 1625247 · TMA895889 | Enersoft Inc. | 9 Electronics35 Advertising42 Science | Registered | 2015 |
| ENERSHIELD 1485257 · TMA821593 | Construction Research & Technology GmbH | 2 Paints | Registered | 2012 |
| ENERSHIELD 1256876 · TMA667892 | CPA Engineered Solutions Limited | 11 Lighting35 Advertising | Registered | 2006 |
| ENERSKIN 1687775 · TMA945776 | EnerSkin America, Inc. | 10 Medical25 Clothing | Registered | 2016 |
| ENERSIGHT 1609373 · TMA895666 | 3ES Innovation Inc. | 9 Electronics | Registered | 2015 |
| ENERKRAFT 1560255 · TMA939101 | Enerkraft Inc. | 6 Metal7 Machines9 Electronics+5 | Registered | 2016 |
| ENERSMART 1401377 · TMA801036 | Enbridge Gas Inc. | 35 Advertising37 Construction41 Education+1 | Registered | 2011 |
| ENERSMART 0728383 · TMA508732 · design | Enbridge Gas Inc. | 37 Construction42 Science | Registered | 1999 |
| ENERSTAT 0468932 · TMA267661 | Ranco Incorporated of Delaware (a Delaware corporation) | 9 Electronics | Registered | 1982 |
| ENERSION 2250915 | Enersion Inc. | 11 Lighting | Pending | 2023 |
| ENERCHIA 2173888 · design | 9153-4677 Québec Inc. | 30 Coffee | Pending | 2022 |
| ENERGYINET 0916316 | Her Majesty the Queen in Right of the Province of Alberta, as represented by the Minister of Innovation and Science | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 2005 |
| EnergyShield 1792207 · TMA1022839 | ATLAS ROOFING CORPORATION | 17 Rubber | Registered | 2019 |
| ENERSURE 2216568 · TMA1257239 | GrandBridge Group Inc. | 37 Construction40 Treatment | Registered | 2024 |
| EnergyIP 2201838 · TMA1223294 | eMeter Corporation | 42 Science | Registered | 2024 |
| EmerSim 2050814 · TMA1229244 | Penguin System Co. Ltd. | 9 Electronics42 Science | Registered | 2024 |
| Enersted 2046719 · TMA1221060 | Siemens Energy Global GmbH & Co. KG | 7 Machines9 Electronics11 Lighting+3 | Registered | 2024 |
| ENERGICA 1975125 · TMA1226598 | NERGICA | 35 Advertising41 Education42 Science | Registered | 2024 |
| ENERZAIR 1949820 · TMA1105886 · design | an individual | 5 Pharmaceuticals | Registered | 2021 |
| EnergyIC 1930572 · TMA1076336 | an individual | 9 Electronics | Registered | 2020 |
| ENERZAIR 1926183 · TMA1076565 | an individual | 5 Pharmaceuticals | Registered | 2020 |
| ENERSEAL 1919116 · TMA1094196 | Tremco CPG Inc. | 17 Rubber | Registered | 2021 |
| ENERGICA 1908578 · TMA1112998 | ENERGICA MOTOR COMPANY S.p.A. | 12 Vehicles | Registered | 2021 |
| ENERJIVE 1878810 · TMA1083212 | 2666550 Ontario Limited | 29 Meat30 Coffee43 Restaurants+1 | Registered | 2020 |