| Control Theory | |
| Control4 | Utah |
| ControlByNet, LLC | Georgia |
| ControlByWeb | Utah |
| ControlCase, LLC | Virginia |
| Controlio | New York |
| Controlled Data, Inc. | Pennsylvania |
| ControlSoft, Inc. | Ohio |
| Controltec, Inc. | California |
| Contronex, Inc. | Florida |
| Convai Technologies, Inc. | California |
| Convatec Triad Life Sciences, LLC | Tennessee |
| Convective Capital | |
| Convelo Therapeutics | |
| Convene | |
| Convene | |
| Convenience ATMs, Inc. | Florida |
| Convening Leaders | |
| Conventures, Inc. | Massachusetts |
| Convera Holdings, LLC | Washington |
| Converg Media, LLC | |
| Converge | Massachusetts |
| Converge Bio, Inc. | |
| Converge Digital | California |
| Converge Marketing | |
| Converge Venture Partners | Massachusetts |
| Converge Ventures | Ohio |
| Converged Communication Systems | Minnesota |
| Converged Communication Systems, LLC | Illinois |
| ConvergeDirect | New York |
| ConvergeHub, Inc. | California |
| Convergence Data Services | New Hampshire |
| Convergence Technologies Ltd | |
| Convergent Capital | Minnesota |
| Convergent Computing | California |
| Convergent Design, LLC | South Carolina |
| Convergent EDM, Inc. | |
| Convergent Energy and Power | |
| Convergent Genomics | California |
| Convergent Studio | Texas |
| Convergent Therapeutics, Inc. | |
| ConvergeOne | Minnesota |
| ConvergePoint, Inc. | Texas |
| ConvergeSol, Inc. | |
| Convergytics | |
| Converse | |
| Converse College | South Carolina |
| ConverseNow | Texas |
| Converseon, Inc. | New York |
| Conversica, Inc. | California |