| InnovationLabs.Berlin | Berlin |
| Innovations- und Gründerzentrum Biotechnologie IZB | |
| Innovationspace Stuttgart | |
| Innovationszentrum für Telekommunikationstechnik GmbH | Bavaria |
| Innovis VC e.V. | |
| Innovision GmbH | |
| Innovista Software GmbH | Lower Saxony |
| innoWerft Technologie- und Gründerzentrum Walldorf Stiftung GmbH | Baden-Württemberg |
| Innsiders Media GmbH | |
| InoNet Computer GmbH | Bavaria |
| Inooga Solutions GmbH | Lower Saxony |
| Inoqo GmbH | |
| inos Automationssoftware GmbH | |
| Inosoft AG | Hesse |
| Inosoft GmbH | North Rhine-Westphalia |
| Inotec Barcode Security GmbH | Schleswig-Holstein |
| Inotec Electronics GmbH | Baden-Württemberg |
| InoTec GmbH Organisationssysteme | Hesse |
| Inotech Kunststoffechnik GmbH | |
| Inotrade GmbH | North Rhine-Westphalia |
| Inova Semiconductors | Bavaria |
| Inovagis oHG | Hesse |
| Inovatus Systemhaus GmbH | North Rhine-Westphalia |
| Inovedis GmbH | |
| Inovex GmbH | |
| Inovis Capital GmbH | |
| Inperio Systems GmbH | Bavaria |
| INPLAN GmbH | North Rhine-Westphalia |
| InPlanet GmbH | |
| Inpsyde GmbH | |
| Inqbus Hosting Dr. Jaenisch, Derstappen GbR | Saxony |
| InQu Informatics GmbH | Saxony |
| Inray Industriesoftware GmbH | Schleswig-Holstein |
| Inreal Technologies GmbH | |
| Inriva GmbH | |
| Insaas GmbH | |
| InSCREENeX GmbH | |
| insert it solutions GmbH | North Rhine-Westphalia |
| inserve GmbH | Lower Saxony |
| Inside Interactive GmbH | Hesse |
| Inside Security GmbH | Baden-Württemberg |
| inside-intermedia Digital GmbH | North Rhine-Westphalia |
| inside-systeme | Hesse |
| Insiders Technologies GmbH | |
| InsideTheSimulation GmbH | |
| Insight-IT GmbH | |
| Insivio | |
| INSOCAM GmbH | Saarland |
| inSocial Media GmbH | |
| Insoft Infotel Software GmbH | |