| ECONOCOM 2326215 | Owner not listed | 35 Advertising37 Construction39 Transport+1 | Pending | 2024 |
| ECOMEC 1905797 · TMA1108541 · design | CVTCORP TRANSMISSION INC./TRANSMISSION CVTCORP INC. | 7 Machines12 Vehicles37 Construction+1 | Registered | 2021 |
| ECONOCOIL 0364638 · TMA203800 | DELTA T THERMAL SOLUTIONS, LLC | 11 Lighting | Registered | 1974 |
| ECONOGRO 0887855 · TMA515563 | Masterfeeds Inc. | 31 Fresh | Registered | 1999 |
| ECONOCHOIX 0742300 · TMA520480 | Owner not shown | 3 Cosmetics5 Pharmaceuticals6 Metal+12 | Registered | 1999 |
| ECONOSCOPE 0405228 · TMA234671 | ROYAL BANK OF CANADA - BANQUE ROYALE DU CANADA | 16 Paper | Registered | 1979 |
| Ecomax 1873288 · TMA1141571 | ATB WATER GmbH | 6 Metal11 Lighting19 Building | Registered | 2022 |
| ECMC 1848181 · TMA1049731 | Owner not shown | 42 Science | Registered | 2019 |
| EXIMCO 1813104 · TMA1065068 | Eximco Inc. | 9 Electronics18 Leather25 Clothing+1 | Registered | 2019 |
| ECOMAXX 1804193 · TMA1017012 | Boss Industrial Group LLC | 9 Electronics11 Lighting | Registered | 2019 |
| ECONIC 1758667 · TMA1055904 | Ethical Profiling Ltd. | 9 Electronics14 Jewellery16 Paper+4 | Registered | 2019 |
| ECOMAG 1686989 · TMA1001363 | Hanchett Entry Systems, Inc. | 9 Electronics | Registered | 2018 |
| ECOMAX 1500926 · TMA864454 | Gas Turbine Efficiency Limited | 37 Construction42 Science | Registered | 2013 |
| ecomix 1461170 · TMA794771 | SO4 Technologies Inc. | 19 Building | Registered | 2011 |
| EcoNice 1453105 · TMA805952 | ECOGENIAL CORPORATION | 32 Beer | Registered | 2011 |
| ECOMAG 1397215 · TMA762940 | Ecomag Solutions Ltd. | 1 Chemicals3 Cosmetics30 Coffee | Registered | 2010 |
| ECOMASS 1113161 · TMA621586 | an individual | 17 Rubber40 Treatment42 Science | Registered | 2004 |
| ECONOX 0458964 · TMA257411 | Canam Buildings and Structures Inc. | 19 Building | Registered | 1981 |
| ecmiso 2371894 | an individual | 9 Electronics | Pending | 2024 |
| ECOMAX 2355412 · design | Owner not listed | 7 Machines11 Lighting | Pending | 2024 |
| ECOMAX 2135752 | NPS Holdings LLC | 16 Paper | Pending | 2021 |
| ECONIC 2090218 | Holcim (US), Inc. | 19 Building | Pending | 2021 |
| ECONOS 0906053 | Hydro-Québec | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 1993 |
| ÉCONOGROS 0464636 · TMA262100 · design | METRO INC. | 3 Cosmetics4 Oils29 Meat+5 | Registered | 1981 |
| ÉCONOSOIR 0464635 · TMA261689 · design | METRO INC. | 35 Advertising | Registered | 1981 |