| Indiana University East | Indiana |
| Indiana University Fort Wayne | Indiana |
| Indiana University Global Research Network Operations Center | Indiana |
| Indiana University Health | |
| Indiana University Indianapolis | Indiana |
| Indiana University Indianapolis Mathematical Sciences | Indiana |
| Indiana University Kelley School of Business | Indiana |
| Indiana University Kokomo | Indiana |
| Indiana University Master's (M.S.) in Cybersecurity Risk Management | Indiana |
| Indiana University Northwest | Indiana |
| Indiana University of Pennsylvania Department of Mathematical and Computer Sciences | Pennsylvania |
| Indiana University South Bend | Indiana |
| Indiana University Southeast | Indiana |
| Indiana University–Purdue University Indianapolis | Indiana |
| Indiana Wesleyan University | Indiana |
| Indianapolis Java Users Group | Indiana |
| Indica Labs, Inc. | New Mexico |
| Indicative, Inc. | New York |
| Indichosts.net | Virginia |
| Indicia Design, Inc. | Missouri |
| Indicio | Washington |
| Indicium | |
| Indico Data Solutions, Inc. | |
| Indie Hackers, Inc. | |
| IndieBio | California |
| IndieCade | California |
| IndieFlow | |
| Indiegogo, Inc. | California |
| Indiemark | Georgia |
| Indigenous Software | California |
| INdigital | Indiana |
| Indigo Ag, Inc. | |
| Indigo BioAutomation | Indiana |
| Indigo Biosciences | Pennsylvania |
| Indigo Business Solutions | |
| Indigo Image | Missouri |
| Indigo IT | Virginia |
| Indigo Technologies, Inc. | Massachusetts |
| Indigo Technologye | |
| Indigo Wireless | Pennsylvania |
| Indigo8 | Arizona |
| inDinero | Oregon |
| Indistry Media, LLC | Illinois |
| Indition | Florida |
| Indium Software, Inc. | California |
| Indium Software, Inc. | |
| Individual Software, Inc. | California |
| Indivior plc | Virginia |
| Indoor Biotechnologies, Inc. | Virginia |
| IndoorHoops | |