| Easy Webshop | Vestfold |
| Easymeeting AS | |
| Edisys Consulting AS | Oslo |
| Educatia AS | Rogaland |
| Eelume AS | |
| Eika | |
| El-Watch | |
| Elcogen AS | |
| Electronicon AS | Hordaland |
| Elliptic Laboratories ASA | |
| EMGS | |
| Emisoft | Hordaland |
| Empatix | Vestfold |
| Empower AS | |
| Energy Connected | |
| Enevo AS | |
| Enin AS | |
| Enonic AS | Oslo |
| Enova | |
| Enovate AS | |
| Ensurge Micropower ASA | |
| Entelios AG | |
| EnterNett | Rogaland |
| Entur AS | |
| EpiGuard | |
| Eplehjelp AS | Oslo |
| Equinor ASA | |
| Esato | Oslo |
| eSmart Systems | |
| Eurobate | Oslo |
| Eventum Norge AS | |
| Evidi | |
| Evoy AS | |
| Evyon | |
| Exabel | Oslo |
| EXACT Therapeutics AS | |
| Experis Norge | |
| Extend AS | Trøndelag |
| Eyer AS | |
| Fabres Norge | |
| Fafo | |
| FakturaNett | Trøndelag |
| Fanbooster | Oslo |
| Fara | Oslo |
| Farmforce AS | |
| Favn Software AS | |
| Favrit AS | |
| Feed | |
| Ferd AS | |
| Field | |