| EREN 1681136 · TMA976557 | an individual | 4 Oils35 Advertising36 Finance+5 | Registered | 2017 |
| ERIN 1088575 · TMA588411 | Erin Systems Ltée | 7 Machines | Registered | 2003 |
| ERIN 1088574 · TMA588642 · design | Erin Systems Ltée | 7 Machines | Registered | 2003 |
| ERNI 0518390 · TMA309951 · design | ERNI Production GmbH & Co. KG | 9 Electronics17 Rubber | Registered | 1986 |
| ERNA 2231973 | Laronde, Inc. | 5 Pharmaceuticals42 Science | Pending | 2022 |
| ERM 1549934 · TMA831602 | TCC HOLDINGS INC. a legal entity | 43 Restaurants | Registered | 2012 |
| ERM 0712408 · TMA452929 · design | ERM-Delaware, Inc. (a Delaware corporation) | 37 Construction | Registered | 1996 |
| ERM 0674081 · TMA391053 | ERM-Delaware, Inc. (a Delaware corporation) | 35 Advertising37 Construction40 Treatment+2 | Registered | 1991 |
| ERM 2361774 · design | ERM-Delaware, Inc. | 35 Advertising37 Construction40 Treatment+2 | Pending | 2023 |
| ERM 2151568 | ERM-Delaware, Inc. | 42 Science | Pending | 2021 |
| Eryin 2066474 · TMA1173378 | PEI WEI TECHNOLOGY (SHENZHEN) CO. LTD. | 9 Electronics | Registered | 2023 |
| Ernie 1866915 · TMA1192270 | Ernieapp Ltd. | 9 Electronics28 Toys35 Advertising+4 | Registered | 2023 |
| ERWIN 0792569 · TMA473313 | Quest Software Inc. | 9 Electronics | Registered | 1997 |
| ERNIE 0352773 · TMA189168 | Sesame Workshop (a New York corporation) | 28 Toys | Registered | 1973 |
| EARNA 2271057 | 9179186 Canada Ltd. | 9 Electronics35 Advertising36 Finance | Pending | 2023 |
| EREWHON 2258589 · TMA1274815 | KENSINGTON PUBLISHING CORP. | 9 Electronics16 Paper41 Education | Registered | 2024 |
| ERYONE 2122442 · TMA1183091 | Shenzhen Eryone Technology Co.Ltd | 25 Clothing | Registered | 2023 |
| EREHWON 2071718 · TMA1135879 · design | CWI, Inc. | 22 Ropes24 Textiles | Registered | 2022 |
| ERÉMIA 2053689 · TMA1135802 · design | Emeis Cosmetics Pty Ltd | 3 Cosmetics | Registered | 2022 |
| EIRENE 2034229 · TMA1140499 | LABORATOIRES EIRENE INC. - EIRENE LABORATORIES INC. | 42 Science | Registered | 2022 |
| Eryone 2020999 · TMA1132762 | Shenzhen Eryone Technology Co.Ltd | 7 Machines | Registered | 2022 |
| ERREUNO 1979037 · TMA1133767 | MORANGE LIMITED, a legal entity | 9 Electronics | Registered | 2022 |
| ERMA 1857477 · TMA1085738 · design | IPAC Services Corporation | 36 Finance37 Construction39 Transport | Registered | 2020 |
| EERIN ' 633 1817347 · TMA993655 · design | NAVIGATOR HOLDING LIMITED | 21 Housewares | Registered | 2018 |
| ERMA 1808554 · TMA991925 | IPAC Services Corporation | 42 Science | Registered | 2018 |