| Omega Medical Imaging, LLC | Florida |
| Omega Multimedia | Florida |
| Omega Soft | |
| Omega Solutions, Inc. | Connecticut |
| Omega Systems | Pennsylvania |
| Omega Technology Group, Inc. | Kentucky |
| Omega Training Group, Inc. | New Mexico |
| OmegaNet, Inc. | |
| Omegavue | Minnesota |
| OmegCor Technologies | |
| OMEN1 | |
| Omens | |
| Omeros Corporation | Washington |
| Omertex | Texas |
| Ometa Labs, LLC | |
| Omeza | Florida |
| OMG | New York |
| OMG Marketing Agency | |
| OMG Tech Partners | Ohio |
| Omicron Technology Solutions | Illinois |
| Omicron, LLC | Texas |
| Omicsveu | California |
| Omidi Enterprises | California |
| Omidyar Network | California |
| Omitron, Inc. | |
| ommunication via Design | Massachusetts |
| Omn-View | Minnesota |
| Omnecoil Instruments, LLC | |
| Omneky | California |
| Omnetics Connector Corporation | Minnesota |
| Omnex Systems, LLC | Michigan |
| Omni | North Carolina |
| Omni Analytics | California |
| Omni Automation, Inc. | Indiana |
| Omni Business Solutions, Inc. | Georgia |
| Omni by Virtuix | Texas |
| Omni Capital, Inc. | |
| Omni Control Technology, Inc. | Massachusetts |
| Omni Controls, Inc. | Florida |
| Omni Data Services. | Texas |
| Omni Design Technologies, Inc. | |
| Omni Nano | |
| Omni Pro Electronics | Texas |
| Omni Source IT Solutions, LLC | New Hampshire |
| Omni Strategic Technologies | West Virginia |
| Omni Training | California |
| Omni Vision, Inc. | Illinois |
| Omni-ID Ltd | New York |
| Omni-Secure | Texas |
| Omni-Tronics, Inc. | Minnesota |