| IVR Technologies, Inc. | California |
| IVRHQ | California |
| IVSComm, Inc. | Michigan |
| IVTREE | California |
| ivWatch, LLC | Virginia |
| IVy Automation, LLC | Washington |
| Ivy Biomedical Systems, Inc. | |
| Ivy Computer, Inc. | Vermont |
| IVY Pharma, Inc. | |
| Ivy.ai, Inc. | Colorado |
| IvyCat Web Services | Washington |
| IvyConnect, Inc. | |
| iWallet | California |
| IwayNet Communications, Inc. | Ohio |
| IWD | Louisiana |
| iWeb-Soft | |
| iwebcode | |
| Iwebnext | North Dakota |
| iWel Health | Pennsylvania |
| iwerk | Michigan |
| iWin.com | California |
| iWitness | Washington |
| iWorQ Systems, Inc. | Utah |
| IWW Digital Agency | Arizona |
| IX Brand SEO Services Company | |
| iXCells Biotechnologies | California |
| iXie Gaming | California |
| IXIS | Vermont |
| IXMD, LLC | Maryland |
| IXP toolkit | Virginia |
| iXpressGenes, Inc. | Alabama |
| iXsystems, Inc. | California |
| Ixys Corporation | California |
| IXYS Integrated Circuits Division | Massachusetts |
| IY Technology, LLC | |
| IZEA Worldwide, Inc. | |
| Izenda, Inc. | Georgia |
| Izenica Technologies | Georgia |
| IZI Medical | Maryland |
| iZone Marketing | |
| iZotope, Inc. | |
| Izumi Biosciences, LLC | |
| Izun Pharmaceuticals Corporation | |
| Izzy Tech | Wyoming |
| I–Piece Websites | Colorado |
| J & J Products Unlimited, Inc. | Florida |
| J & M Computer Enterprises, Inc. | Massachusetts |
| J & R Computer Wizards, Inc. | California |
| J & S Website Designs | |
| J 12 Designs | |