| Ingolf Matys | Baden-Württemberg |
| Ingolstadt Online GmbH | Bavaria |
| Ingolstädter .NET Developers Group | Bavaria |
| Ingress oHG | Schleswig-Holstein |
| IngSoft GmbH | |
| Inheaden | |
| inhive Group (Germany) GmbH & Co. KG | |
| Inimap GmbH | Baden-Württemberg |
| init Aktiengesellschaft für digitale Kommunikation | |
| Init Consulting AG | Bavaria |
| Initions innovative IT solutions AG | Hamburg |
| initPRO GmbH | Bavaria |
| INKA e.V. | Baden-Württemberg |
| Inlang | |
| InLoox GmbH | Bavaria |
| inne.io | Berlin |
| Innoactive GmbH | Bavaria |
| Innocept Mobility UG (haftungsbeschränkt) | Hesse |
| Innochange GmbH | Saxony |
| Innodys GmbH | Bavaria |
| Innoflair UG (haftungsbeschränkt) | |
| InnoGames GmbH | Hamburg |
| Innok Robotics | |
| InnoLas Semiconductor GmbH | |
| InnoLas Solutions GmbH | |
| Innolume GmbH | |
| Innomega AG | Bavaria |
| Innomotics | |
| Innoplexus | |
| innoQ Deutschland GmbH | Hamburg |
| InnoRa GmbH | |
| innosabi GmbH | |
| Innoscripta AG | |
| Innosoft GmbH | North Rhine-Westphalia |
| INNOspace Masters | |
| INNOSYSTEC GmbH | |
| Innotas Produktions GmbH | Saxony |
| Innotec Systemtechnik GmbH | North Rhine-Westphalia |
| Innotech Electronic GmbH | Baden-Württemberg |
| INNOTECH Holztechnologien GmbH | Berlin |
| InnoTrue GmbH | |
| Innova.ventures GmbH | |
| Innovailably GmbH | |
| Innovaphone AG | Baden-Württemberg |
| Innovapps GmbH | |
| InnovaTec Elektronik GmbH | Rhineland-Palatinate |
| Innovation Gate GmbH | North Rhine-Westphalia |
| Innovation Internet | Lower Saxony |
| Innovation Network Cologne | North Rhine-Westphalia |
| Innovation Network for Advanced Materials e. V. | |