| IMS Technology Services | Pennsylvania |
| IMS-21 | Maine |
| IMTI Systems | New York |
| Imunon | New Jersey |
| IMV | Virginia |
| Imvaria | California |
| IMVARIA, Inc. | |
| Imvax, Inc. | Pennsylvania |
| IMW Agency | |
| In Color | |
| In Context, Inc. | |
| In Flight Studio | Washington |
| In Focus Systems | Minnesota |
| In House Graphics | Louisiana |
| In Media Networks, LLC | |
| In Record Time | New York |
| In The Moment Computing | California |
| In Time Tec, LLC | Idaho |
| In Touch Marketing | Florida |
| In Touch, LLC | California |
| In Xero, Inc. | Texas |
| In-Focus Digital | |
| In-House Advertising & Consulting | |
| In-House Health, Inc. | |
| In-MNC IT Software Services | Texas |
| In-Phase Technologies, Inc. | New Jersey |
| In-Portal | Illinois |
| In-Q-Tel, Inc. | Virginia |
| In-Quiz-it Software, Inc. | Texas |
| In-Telecom | Louisiana |
| in3D | California |
| IN8Bio | Alabama |
| Inabyte, Inc. | California |
| InAccel | Delaware |
| Inacom Information Systems | Maryland |
| Inacomp | Michigan |
| INADEV | Virginia |
| Inalign, Inc. | New York |
| INanoBio, Inc. | California |
| Inanovate, Inc. | South Dakota |
| Inapill | |
| InApp | California |
| Inara World, Inc. | |
| Inari Agriculture, Inc. | Massachusetts |
| Inari Medical | California |
| INB, N.A. | |
| inBalance, Inc. | Massachusetts |
| Inbanx, Inc. | Texas |
| inBeam Technologies | Ohio |
| Inbenta | California |