| Interfluence | Michigan |
| Interfolio, Inc. | District of Columbia |
| Interformic Games | Oklahoma |
| Interfuel | California |
| Interfuerza, Inc. | |
| InterGen Data, Inc. | Texas |
| Intergen Group | Georgia |
| interGen Web Solutions | |
| Interius BioTherapeutics, Inc. | |
| InterKan.Net, Inc. | Kansas |
| Interknowlogy, LLC | California |
| Interl Corporation | California |
| Interlace Communications, Inc. | Pennsylvania |
| Interlaced, LLC | |
| Interlink Cloud Advisors, Inc. | Ohio |
| Interlink Computers Technology, Inc. | Michigan |
| InterLink Computers, Inc. | Virginia |
| InterLink Consulting | Florida |
| Interlink Electronics, Inc. | California |
| Interlink Group | |
| Interlink Network Systems, Inc. | New Jersey |
| Interlink Networks, LLC | Michigan |
| interlinkONE | Massachusetts |
| Interlock Partners | New York |
| Interloper.com | Texas |
| Interlync Internet Services, Inc. | Illinois |
| Intermap Technologies | Colorado |
| Intermax Networks | Idaho |
| InterMedia 3, Inc. | Ohio |
| InterMedia Advisors, LLC | |
| InterMedia Group, Inc. | Pennsylvania |
| Intermedia IT | |
| Intermedia.net, Inc. | California |
| Intermind Corporation | Nevada |
| Intermolecular | California |
| Interms, LLC | Maryland |
| Internal Computer Services | Virginia |
| Internal Systems Corporation | Arizona |
| Internap Corporation | Virginia |
| International Accelerator | Texas |
| International Anesthesia Research Society | |
| International Association for Cryptologic Research | |
| International Association of Digital Marketing Professionals, LLC | |
| International Battery Company | |
| International Biometric Society | District of Columbia |
| International Biometrics & Identification Association | District of Columbia |
| International Business Times - Tech | New York |
| International Card Manufacturers Association | New Jersey |
| International Circuits, Inc. | Washington |
| InterNational Committee for Information Technology Standards | District of Columbia |