| ECONIUS 2344003 | an individual | 5 Pharmaceuticals | Pending | 2024 |
| ECONOCHOIX 0742300 · TMA520480 | Owner not shown | 3 Cosmetics5 Pharmaceuticals6 Metal+12 | Registered | 1999 |
| ÉCONOGROS 0464636 · TMA262100 · design | METRO INC. | 3 Cosmetics4 Oils29 Meat+5 | Registered | 1981 |
| ECONOSCOPE 0405228 · TMA234671 | ROYAL BANK OF CANADA - BANQUE ROYALE DU CANADA | 16 Paper | Registered | 1979 |
| ECONOCOIL 0364638 · TMA203800 | DELTA T THERMAL SOLUTIONS, LLC | 11 Lighting | Registered | 1974 |
| ECONOCOM 2326215 | Owner not listed | 35 Advertising37 Construction39 Transport+1 | Pending | 2024 |
| ECONOS 0906053 | Hydro-Québec | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 1993 |
| EconoCheques 1181353 · TMA732542 | ROYAL BANK OF CANADA - BANQUE ROYALE DU CANADA | 36 Finance | Registered | 2009 |
| ECONOCHARTS 1755967 · TMA955707 | an individual | 16 Paper | Registered | 2016 |
| ECONOSWITCH 1431107 · TMA762048 | Ademco Inc. | 9 Electronics | Registered | 2010 |
| ECONOCHOICE 0745836 · TMA521664 | Owner not shown | 3 Cosmetics5 Pharmaceuticals6 Metal+12 | Registered | 2000 |
| ECOINSIGHTS 2366964 | Owner not listed | 9 Electronics16 Paper35 Advertising+3 | Pending | 2024 |
| Ecoinspirations 1415524 · TMA790362 | STYLE WITH SUBSTANCE LIMITED | 35 Advertising41 Education42 Science | Registered | 2011 |
| ECONCRETE 2131244 · TMA1273979 | ECONCRETE TECH LTD | 19 Building42 Science | Registered | 2024 |
| EcoMoCo 1865004 · TMA1095374 | an individual | 7 Machines | Registered | 2021 |
| EXENSIO 1844738 · TMA1051122 · design | PDF Solutions, Inc. | 9 Electronics42 Science | Registered | 2019 |
| EXENSIO 1844737 · TMA1051120 · design | PDF Solutions, Inc. | 9 Electronics42 Science | Registered | 2019 |
| EXENSIO 1844736 · TMA1051112 | PDF Solutions, Inc. | 9 Electronics42 Science | Registered | 2019 |
| ECONIC 1758667 · TMA1055904 | Ethical Profiling Ltd. | 9 Electronics14 Jewellery16 Paper+4 | Registered | 2019 |
| EconoStik 1713252 · TMA991748 | AMPHENOL FCI ASIA PTE. LTD. | 9 Electronics | Registered | 2018 |
| ECONOKIT 1543037 · TMA858985 · design | an individual | 7 Machines12 Vehicles | Registered | 2013 |
| EcoNice 1453105 · TMA805952 | ECOGENIAL CORPORATION | 32 Beer | Registered | 2011 |
| ECONICHE 1388410 · TMA782792 · design | Bioniche Life Sciences Inc. | 5 Pharmaceuticals | Registered | 2010 |
| ECONOWISE 1234514 · TMA650632 | SOURCE OFFICE FURNITURE & SYSTEMS LTD. | 35 Advertising36 Finance37 Construction+1 | Registered | 2005 |
| ECONOGLOBE 1031584 · TMA545515 | Sécuriglobe Inc. | 36 Finance | Registered | 2001 |