| ERGON 1768441 · TMA972060 | an individual | 12 Vehicles18 Leather25 Clothing | Registered | 2017 |
| ERAGON 1376585 · TMA783973 | an individual | 5 Pharmaceuticals | Registered | 2010 |
| ERGON 0664294 · TMA395903 | ERGON, INC. | 4 Oils19 Building | Registered | 1992 |
| ERGON 2286558 | One Ink Seven, LLC | 8 Hand | Pending | 2023 |
| ERICSON 0488790 · TMA330707 | THE ERICSON MANUFACTURING COMPANY | 9 Electronics11 Lighting | Registered | 1987 |
| ERKOON 1952965 · TMA1193036 · design | Shenzhen AiErKong Technology Co. Ltd. | 21 Housewares | Registered | 2023 |
| Ergone 1716625 · TMA1003939 | Omex Agriculture Inc. | 1 Chemicals | Registered | 2018 |
| ERSON 0585148 · TMA349080 | Engine Parts Warehouse, Inc. (a Kentucky corporation) | 7 Machines12 Vehicles | Registered | 1988 |
| EROXON 2190269 | FUTURA MEDICAL DEVELOPMENTS LIMITED | 5 Pharmaceuticals | Pending | 2022 |
| ERICKSON 1675876 · TMA958242 · design | Erickson Incorporated | 7 Machines12 Vehicles37 Construction+6 | Registered | 2016 |
| eHORIZON 1621366 · TMA959372 | Continental Automotive Technologies GmbH | 9 Electronics | Registered | 2017 |
| ERICSSON 0496945 · TMA419046 · design | an individual | 9 Electronics16 Paper37 Construction+3 | Registered | 1993 |
| ERICKSON 0460194 · TMA287212 | Kennametal Inc. | 6 Metal7 Machines8 Hand+1 | Registered | 1984 |
| "ERICKSON" 0212573 · UCA42879 | THOMAS & BETTS INTERNATIONAL, INC. (a Delaware Corporation) | 17 Rubber | Registered | 1951 |
| ERICSSON 0192561 · UCA25436 | an individual | 9 Electronics | Registered | 1946 |
| ERGONOW 2229988 · TMA1253885 | ERGOOD Limited | 21 Housewares | Registered | 2024 |
| ERICSEN 1205515 · TMA632005 | Alliance Mercantile Inc. | 25 Clothing | Registered | 2005 |
| ERGONIC 1083161 · TMA581628 · design | Putzmeister Engineering GmbH | 7 Machines9 Electronics | Registered | 2003 |
| ERIOSIN 0279892 · TMA136950 | Huntsman Textile Effects (Switzerland) GmbH | 2 Paints | Registered | 1964 |
| ERGOMASTER 2242214 · TMA1262967 | LONGTECH INTERNATIONAL PTE. LTD. | 8 Hand | Registered | 2024 |
| Eurzom 2226240 · TMA1282914 | HEFEI YAOSHU ELECTRONIC COMMERCE CO. LTD. | 25 Clothing | Registered | 2025 |
| ergonify 2172024 · TMA1221592 | 9412-2363 quebec inc | 20 Furniture27 Carpets | Registered | 2024 |
| Errzom 2155013 · TMA1207685 | Taiyuan Kaiwo Electronic Commerce Co. Ltd. | 11 Lighting | Registered | 2023 |
| ERSEMBLE 2059824 · TMA1228575 | Owner not shown | 5 Pharmaceuticals | Registered | 2024 |
| Erycontrol 2057802 · TMA1182446 | NAOS | 3 Cosmetics5 Pharmaceuticals | Registered | 2023 |