| easyPanoram | Hamburg |
| EasyPark GmbH | Lower Saxony |
| easystores GmbH | |
| EasyWorkX | North Rhine-Westphalia |
| Eazy IT-GmbH | |
| EB-Soft GmbH | Baden-Württemberg |
| EBCsoft GmbH | |
| Ebene3 GmbH | Hesse |
| Eberhard Karls Universität Tübingen | |
| EBERTLANG Distribution GmbH | |
| EBG - data GmbH | North Rhine-Westphalia |
| EBH Radio Software GmbH | Bremen |
| Ebics Box | |
| ebiz-consult GmbH & Co. KG | Hesse |
| ebiz-webhosting.de | Hesse |
| Ebner Media Group GmbH & Co. KG | |
| EBRU Elektronik GmbH | Thuringia |
| EBS Berentzen GmbH | Hesse |
| EBS Electronic GmbH | Bavaria |
| EBS Euchner Büro- und Schulsysteme GmbH | Hesse |
| EBS Universität für Wirtschaft und Recht gGmbH | Hesse |
| ebsi Computer GmbH | Hesse |
| EBSO GmbH | Rhineland-Palatinate |
| Ebusoft | Bavaria |
| EBZ Business School GmbH | |
| EC Electronic Chip GmbH | Bavaria |
| ec elements GmbH | Bavaria |
| Ecambria Systems GmbH | North Rhine-Westphalia |
| eCAPITAL Entrepreneurial Partners AG | North Rhine-Westphalia |
| ECD Electronic Components GmbH | Saxony |
| Ecenta | Baden-Württemberg |
| ECHO Broadband GmbH | North Rhine-Westphalia |
| ECKD KIGST GmbH | Hesse |
| Eckelmann AG | Hesse |
| Eckerle Media GmbH | |
| Eckert & Ziegler Strahlen- und Medizintechnik AG | |
| ECKware GmbH | |
| ECLASS e.V. | |
| EclEmma | Bavaria |
| EclipseSource | Baden-Württemberg |
| eclore // Internetagency | North Rhine-Westphalia |
| ECO//SUN GmbH | Bavaria |
| ecocode GmbH | |
| Ecodynamics GmbH | |
| EcofinConcept GmbH | North Rhine-Westphalia |
| EcoG GmbH | |
| ecoLocked GmbH | |
| ECOM Electronic Components Trading GmbH | Bavaria |
| ecom instruments GmbH | Baden-Württemberg |
| eCom webservices Tolkmitt & Sablotzki GbR | Bremen |