| die-internetfirma.de | Hesse |
| DIE-PUPILLE | Bavaria |
| Dienstleistungsgesellschaft für Kommunikationsanlagen des Stadt- und Regionalverkehrs mbH | North Rhine-Westphalia |
| diesdas.digital GmbH | |
| Dieter K. Water | Hesse |
| dieterle it_solutions | Baden-Württemberg |
| Dietmar Brandt | Hesse |
| Dietmar Teich Datensysteme | North Rhine-Westphalia |
| DIETRICH GmbH | Bavaria |
| Dietrich-Bonhoeffer-Klinikum | |
| DieWeb AG | |
| diffferent GmbH | |
| Digacon AG | |
| Digacon AG | |
| digi table GmbH | |
| Digi-Zeiterfassung GmbH | |
| DIGI.sys GmbH | |
| Digiblue GmbH | |
| digifant GmbH | |
| Digihaus GmbH | Berlin |
| Digilog | Saarland |
| Digineo GmbH | Bremen |
| Diginet GmbH | |
| DIGISOUND-Electronic GmbH | Schleswig-Holstein |
| Digital Broadcast Systems GmbH | |
| Digital Broadcast Systems TV-Studio Vertriebs GmbH | Hesse |
| Digital Builders GmbH | Hamburg |
| Digital Collections Verlagsgesellschaft mbH | Hamburg |
| Digital Concept Fritzsche oHG | Thuringia |
| Digital Devices GmbH | |
| Digital Dynamite GmbH | |
| Digital East GmbH | |
| Digital Electronic Siegfried Lehrer GmbH | Bavaria |
| Digital Eleven | |
| Digital Essence GmbH | |
| Digital Euro Association | |
| Digital Finance Argonauts AG | |
| Digital Frontiers | |
| Digital Health Ventures | |
| Digital Heroes GmbH | |
| Digital Hoch 5 | |
| Digital Hub Cologne | North Rhine-Westphalia |
| Digital Incubation and Growth GmbH | |
| Digital Innovation GmbH | Bavaria |
| Digital Innovation Hub Düsseldorf/Rheinland GmbH | |
| Digital Inspiration | North Rhine-Westphalia |
| Digital Kompakt Online-Medien GmbH | |
| Digital Loop GmbH | |
| Digital Masters GmbH | |
| Digital Media Women e.V. | |