| ECOCLEAR 1966939 · TMA1283636 | Fluid Clarification LP | 40 Treatment42 Science | Registered | 2025 |
| ECOCLEAN 1867725 · TMA1250449 · design | Ecoclean GmbH | 6 Metal7 Machines9 Electronics+4 | Registered | 2024 |
| ECOCLEAN 1638041 · TMA989760 | Ferguson Enterprises, LLC | 11 Lighting | Registered | 2018 |
| ECOCLEAN 1573558 · TMA861287 | COAST SPAS MANUFACTURING INC. | 11 Lighting | Registered | 2013 |
| ECOCLEAN 1522547 · TMA874802 | WILD BIRDS UNLIMITED, INC. | 21 Housewares | Registered | 2014 |
| ECOCLEAN 1495863 · TMA872801 | Arconic Technologies LLC | 2 Paints19 Building | Registered | 2014 |
| ECOCLEAN 1495860 · TMA872800 | Arconic Technologies LLC | 6 Metal | Registered | 2014 |
| ECOCLEAN 1437381 · TMA769288 | Innospec Fuel Specialties LLC | 1 Chemicals | Registered | 2010 |
| ECOCLEAN 1376884 · TMA748635 | BSH Home Appliances Corporation (a Delaware corporation) | 11 Lighting | Registered | 2009 |
| EcoClaim 2181545 | EcoClaim Solutions Inc. | 42 Science | Pending | 2022 |
| ECOCLIP 1058544 · TMA558606 | West-Lock Fasteners Corporation | 20 Furniture | Registered | 2002 |
| ECHOCLEAN 1586099 · TMA873274 | VIP Soap Products Ltd. | 3 Cosmetics | Registered | 2014 |
| EcoClaims 2181547 | EcoClaim Solutions Inc. | 42 Science | Pending | 2022 |
| EccoClaim 2181546 | EcoClaim Solutions Inc. | 42 Science | Pending | 2022 |
| Ecoclick 1558260 · TMA894064 | Nox Corporation | 6 Metal17 Rubber19 Building | Registered | 2015 |
| ECOSEAL 1913993 · TMA1090152 | WireCo Worldgroup Inc. | 9 Electronics | Registered | 2020 |
| ECOSEAL 1872307 · TMA1229199 | SPC RESOURCES, INC. | 16 Paper | Registered | 2024 |
| ECOCULT 1709743 · TMA988416 | an individual | 1 Chemicals5 Pharmaceuticals | Registered | 2018 |
| ECOCELL 1529506 · TMA835448 | an individual | 1 Chemicals | Registered | 2012 |
| ECOCELL 1528276 · TMA840408 | Cellulose Material Solutions, LLC | 17 Rubber | Registered | 2013 |
| ECOCELL 1394159 · TMA796440 | Studio Moderna SA | 17 Rubber19 Building20 Furniture | Registered | 2011 |
| ECOCYL 1376206 · TMA755200 | Linde GmbH | 1 Chemicals6 Metal9 Electronics+2 | Registered | 2009 |
| ECOCELL 1374316 · TMA743320 | Gentec, A Partnership consisting of 901089 Ontario Limited and Days Fashions Limited | 9 Electronics | Registered | 2009 |
| ECYCLE 1359758 · TMA734871 | Pacific Market International, LLC | 21 Housewares | Registered | 2009 |
| ECOGLO 1141404 · TMA605497 | Ecoglo Holdings NA Inc. | 9 Electronics | Registered | 2004 |