| Imnewrun, Inc. | |
| iMobie, Inc. | |
| IMonitor Software | California |
| iMore | |
| Imorgon | California |
| Imp Designs, LLC | |
| IMPACT 307 | |
| Impact Analytical | Michigan |
| ImPACT Applications, Inc. | Iowa |
| Impact Automation | |
| Impact Business Solutions | Maryland |
| Impact Capital Managers | |
| Impact Computers & Electronics | Florida |
| Impact Engine | Illinois |
| Impact Games | Pennsylvania |
| Impact Marketing & Public Relations | |
| Impact Observatory, Inc. | District of Columbia |
| Impact Paper & Ink Ltd | California |
| Impact Science Ventures | |
| Impact Social Media | Missouri |
| Impact Tech, Inc. | California |
| Impact Techlab, LLC | |
| Impact Technology, Inc. | Minnesota |
| Impact USA | California |
| Impact Ventures Accelerator | Texas |
| Impact Web Solutions, LLC | Arizona |
| Impact-iTech, Inc. | |
| ImpactAssets | Maryland |
| Impactful Agency | |
| impactful media group | Florida |
| Impactia | New York |
| ImpactKarma, Inc. | |
| ImpactMapper | New York |
| ImpactQA | New York |
| ImpactSCS | Georgia |
| Impakt Digital | |
| Impala | |
| Impaqtive | New Jersey |
| Impart Security | |
| Impartium, LLC | |
| Impartner, Inc. | Utah |
| ImpediMed Ltd | California |
| Impekable | |
| Impel | New York |
| Impel Pharmaceuticals, LLC | |
| Impellimax | New Hampshire |
| Imperative Care | California |
| Imperial CRS | Michigan |
| Imperial Digital Marketing | |
| Imperial Registrations | Delaware |