| Culmination Bio, Inc. | Utah |
| Culp Design | Massachusetts |
| Cult of Mac | California |
| Cultivate Advisors | |
| Cultivate Brands | |
| Cultivate Communications | Wisconsin |
| Cultivate Ventures | District of Columbia |
| Cultivation Capital | Missouri |
| Cultivation Network, Inc. | |
| Cultivian Sandbox Ventures | Illinois |
| Cultura Interactive | |
| Cultura Technologies, Inc. | Georgia |
| Cultura Technologies, LLC | Georgia |
| Cultural Communication | Illinois |
| Culture Biosciences | California |
| Culture Booster, Inc. | |
| Culture Foundry | Washington |
| Culver-Stockton College | Missouri |
| Cumberland Pharmaceuticals, Inc. | |
| Cumberland University | Tennessee |
| Cummings Research Park | Alabama |
| Cummins, Inc. | |
| Cumulus Consulting, LLC | |
| Cumulus Networks | California |
| CUNY Graduate Center | New York |
| CUNY Queens College | New York |
| CUNY Startup | New York |
| Cura Software Solutions | Massachusetts |
| Cura Surgical | Illinois |
| CurAccel, LLC | Pennsylvania |
| Curadel Pharma | |
| Curadh MTR, Inc. | Pennsylvania |
| Curai | California |
| Curanex Pharmaceuticals, Inc. | |
| Curantis Solutions | Texas |
| Curasan, Inc. | |
| Curastory, Inc. | New York |
| Curata, Inc. | Massachusetts |
| Curate | Missouri |
| Curate Biosciences | California |
| Curated | |
| Curated for You | |
| Curated SEO Tools | California |
| Curative Biotechnology, Inc. | Florida |
| Curator24 | |
| CuratorLive | Florida |
| Curb | New York |
| CurbWaste | |
| Cure Pharmaceutical | |
| Cure Ventures Management, L.P. | Massachusetts |