| Cimcor, Inc. | Indiana |
| CIMdata | Michigan |
| Cime Therapeutics | |
| Cimetrics | Massachusetts |
| Cimetrix, Inc. | Utah |
| Cimitra | Utah |
| Cimmeron Studios | Washington |
| CimpleO, LLC | |
| CimpleSoft | Washington |
| CimTel | Oklahoma |
| Cimulus, Inc. | Michigan |
| CIMx Software | Ohio |
| Cin7 Core | Colorado |
| Cinamaker, Inc. | Georgia |
| CINC Systems | |
| Cinch IT, Inc. | Massachusetts |
| Cinch Solutions, Inc. | |
| Cincinnati Bell, Inc. | Ohio |
| Cincinnati Printer Repair | Ohio |
| Cincinnati State | Ohio |
| Cincinnatus Savings and Loan | |
| Cincom Systems, Inc. | Ohio |
| CincyTech | Ohio |
| Cinder Biological, Inc. | California |
| Cinder Design Co. | |
| Cine GV | |
| Ciné-Med, Inc. | Connecticut |
| Cinemagic Entertainment | New Jersey |
| Cinetics | |
| Ciniva | Virginia |
| Cinnamon Digital, LLC | Illinois |
| Cinnova Technologies, LLC | Ohio |
| CINNUG | Ohio |
| CinRx Pharma | |
| CINTACS Corporation | Pennsylvania |
| Cinteot, Inc. | Pennsylvania |
| Cintra | New York |
| Cintrifuse | Ohio |
| CIO | Massachusetts |
| CIO Dive | District of Columbia |
| CIO Index, Inc. | |
| CIO Insight | New York |
| CIO Landing | |
| CIO Systems, Inc. | California |
| CIO Tomorrow | Ohio |
| CIO.gov | District of Columbia |
| Cionic | California |
| CionSystems | Washington |
| CIOview | Massachusetts |
| CIP Capital | New York |