| ECOLAST 1498735 · TMA833499 · design | Mann+Hummel Filtration Technology US LLC | 7 Machines | Registered | 2012 |
| ECOLAST 1493430 · TMA825203 | Mann+Hummel Filtration Technology US LLC | 7 Machines | Registered | 2012 |
| ECOLAST 1020873 · TMA541983 | SATIN FINISH HARDWOOD FLOORING LIMITED | 2 Paints | Registered | 2001 |
| ECLECTIC 2222906 · TMA1240421 | an individual | 3 Cosmetics | Registered | 2024 |
| Ecolactam 2053580 · TMA1234125 | an individual | 1 Chemicals | Registered | 2024 |
| ECOLAC 2012875 · TMA1111395 | Tirlán Limited | 1 Chemicals | Registered | 2021 |
| ECOLOGIC 1834732 · TMA1021007 | E-One, Inc. | 9 Electronics | Registered | 2019 |
| ECOLOGIC 1834727 · TMA1033246 · design | E-One, Inc. | 9 Electronics | Registered | 2019 |
| ECOLOGIC 1695060 · TMA934918 | Monessen Hearth Systems Company | 9 Electronics | Registered | 2016 |
| ECOLOGIC 1637759 · TMA914319 · design | LifeLabs LP | 42 Science44 Medical | Registered | 2015 |
| ECOLISTS 1600221 · TMA891789 | PUBLICATIONS LMT ECO-ARCHITECTURE INC. | 16 Paper35 Advertising41 Education | Registered | 2014 |
| ECOLISTES 1600216 · TMA891787 | PUBLICATIONS LMT ECO-ARCHITECTURE INC. | 16 Paper35 Advertising41 Education | Registered | 2014 |
| ecoLOGIC 1479909 · TMA808295 | Optima Telecom Incorporated | 9 Electronics16 Paper | Registered | 2011 |
| ECOLOGIC 1440062 · TMA772011 | HoMedics USA, LLC | 20 Furniture | Registered | 2010 |
| ECOLOGIC 0820811 · TMA547749 · design | LEDVANCE LLC | 9 Electronics11 Lighting | Registered | 2001 |
| ECOLOGIC 0812696 · TMA534921 | LEDVANCE LLC | 9 Electronics | Registered | 2000 |
| ECOLOGIC 0701712 · TMA410942 | GH International Sealants ULC | 1 Chemicals19 Building | Registered | 1993 |
| ECOLOGIC 1818828 · design | CLOVERDALE PAINT INC. | 2 Paints | Pending | 2017 |
| ECCLESIASTICAL 2099591 · design | Ecclesiastical Insurance Office Plc | 9 Electronics35 Advertising36 Finance+4 | Pending | 2020 |
| ECLISSI 2001894 · TMA1212769 | Fortune Brands Water Innovations LLC | 11 Lighting | Registered | 2023 |
| ECOLOGIX 1819538 · TMA1038090 | KITTRICH CORPORATION | 5 Pharmaceuticals | Registered | 2019 |
| ECOLISS 1443119 · TMA796405 · design | Conair LLC | 9 Electronics11 Lighting21 Housewares | Registered | 2011 |
| ECOLOGIX 1330536 · TMA822436 | PVH LEGWEAR LLC | 25 Clothing | Registered | 2012 |
| ECOLOC 1133627 · TMA595820 | F. VON LANGSDORFF LICENSING LIMITED | 19 Building | Registered | 2003 |
| ECCLISSI 1085786 · TMA572436 | Zondo Incorporated | 14 Jewellery | Registered | 2002 |