| ComTech Services, Inc. | Maryland |
| Comtech Solutions | Texas |
| ComTech Systems, Inc. | Maryland |
| Comtech Telecommunications Corporation | New York |
| Comtech Telecommunications Corporation | |
| Comtech, LLC | Virginia |
| Comtek International | Illinois |
| Comtek Services | New Hampshire |
| Comtel Information Services | New York |
| Comtex Telecommunications, Inc. | Alabama |
| Comtex, Inc. | New Jersey |
| Comtii, Inc. | Florida |
| Comtop Connectivity Solutions, Inc. | California |
| Comtrade 360 | |
| Comtrade Software, Inc. | Massachusetts |
| Comtrol | Minnesota |
| Comtron, Inc. | New York |
| Comtronics Corporation | Massachusetts |
| Comtutors, Inc. | Tennessee |
| Comulate | |
| Comun, Inc. | |
| Comware Technical Services, Inc. | California |
| ComX Design | |
| COMXUSA, LLC | Ohio |
| Conagen, Inc. | Massachusetts |
| Conation Technologies, LLC | Texas |
| Concarlo Therapeutics | |
| Conceivable Life Sciences | |
| Concensus Technologies | Pennsylvania |
| Concentric AI | |
| Concentric Analgesics, Inc. | California |
| Concentric Design, LLC | Illinois |
| Concentric Sky, Inc. | Oregon |
| Concentric Studio | New York |
| Concentrical, LLC | |
| Concentris Systems, LLC | Virginia |
| Concentrix | California |
| Concentrix Corporation | California |
| Concentro, Inc. | |
| Concentrx Pharmaceuticals, Inc. | |
| Concept Arts, Inc. | |
| Concept Automation | Nevada |
| Concept Company, Inc. | Wisconsin |
| Concept Design Studios | |
| Concept Developers | New York |
| Concept Labs, Inc. | |
| Concept Marketing Group | Arizona |
| Concept Software & Services, Inc. | Georgia |
| Concept Softworks | Arizona |
| Concept Systems, Inc. | New York |