| OrangeHRM, Inc. | |
| OrangeQC, LLC | |
| OrangeScrum | California |
| Orangesoft | |
| Orano med | Texas |
| OraPub | Oregon |
| Orases | Maryland |
| Orasis Pharmaceuticals, Inc. | |
| OraSure | Pennsylvania |
| Oratech | Utah |
| Orb Health | Texas |
| Orb, Inc. | California |
| Orban Microwave, Inc. | Florida |
| Orbbec | Michigan |
| Orbbec 3D | Washington |
| ORBCOMM | New Jersey |
| Orbeon Forms | California |
| Orbia Ventures | |
| Orbic AI | |
| Orbiit | New York |
| OrbiMed Advisors, LLC | New York |
| Orbion Space Technology | |
| Orbis Tech Services | Nevada |
| Orbis Technologies, Inc. | Maryland |
| Orbisoft Corporation | Wyoming |
| Orbit Fab, Inc. | California |
| Orbit Genomics | Colorado |
| Orbit Media Group | |
| Orbit Media Studios | Illinois |
| Orbita, Inc. | Massachusetts |
| Orbital Data Networks, Inc. | |
| Orbital Insight | California |
| Orbital Shift, LLC | Montana |
| Orbital Systems, LLC | |
| Orbital Therapeutics, Inc. | |
| OrbitBeyond, Inc. | |
| Orbitel Group | Illinois |
| Orbiter Chip Technology | Washington |
| Orbits Oncology | |
| Orbittech, Inc. | |
| Orbix Agency, LLC | |
| OrbixCode | |
| Orbograph | Massachusetts |
| Orbs Computers, LLC | Colorado |
| Orbund, LLC | Kansas |
| Orbus Therapeutics, Inc. | |
| Orbweaver Sourcing, LLC | Pennsylvania |
| Orbweb, Inc. | California |
| Orby AI | California |
| Orca Bio | California |