| Corserva | Connecticut |
| Corsha, Inc. | Virginia |
| Corsica Technologies | Indiana |
| Corsoft Corporation | California |
| Corstar Communications, LLC | New York |
| Corstasis Therapeutics, Inc. | |
| Cortado Ventures | Oklahoma |
| Cortavo | |
| Cortechs.ai | California |
| Cortekx HGL, Inc. | California |
| Cortelco, Inc. | Mississippi |
| Cortex Applications, Inc. | California |
| Cortex Building | |
| Cortex Innovation District | |
| Cortex Management, LLC | Texas |
| Cortex, Inc. | California |
| Corti Designworks, LLC | Virginia |
| Cortico | Massachusetts |
| Cortigent | |
| Cortina Productions | |
| Cortland Computer Services, Inc. | New Jersey |
| Cortona3D | Massachusetts |
| Cortron Rugged HMI | Massachusetts |
| Cortx | Maryland |
| Corv Studios, LLC | |
| Corvalent | California |
| Corvallis Mac Users Group | Oregon |
| CorVent Medical, Inc. | North Dakota |
| Corveus Medical | |
| Corvia Medical, Inc. | |
| CorVista Health | |
| Corvus Insurance Holdings, LLC | |
| Corvus Integration, Inc. | District of Columbia |
| Corvus Pharmaceuticals | |
| Corvus Robotics, Inc. | |
| Corvus Tactical Aircraft Corporation | |
| Corza Medical | Massachusetts |
| Corza Ophthalmology | |
| Cosairus, LLC | |
| Cosatech, Inc. | Illinois |
| CoSchedule | North Dakota |
| Cosemi Technologies, Inc. | California |
| Cosential, Inc. | Texas |
| Cosentus | California |
| Coseo | |
| Cosette Pharmaceuticals | |
| Cosgn, Inc. | |
| CosGuard | New York |
| COSI Consulting | New York |
| Cosm | California |