| Cabot Technology Solutions, Inc. | Illinois |
| Cabrillo College | California |
| Cache DNA | |
| Cache Ventures, LLC | |
| Cacheflow | California |
| CacheFly | Illinois |
| Cacher | Massachusetts |
| Cachet Financial Solutions | Minnesota |
| CACI International, Inc. | Virginia |
| Cacti, Inc. | North Carolina |
| Cactus Clinical Research, Inc. | Arizona |
| Cactus Computer & Internet Service | Idaho |
| Cactus Media | Michigan |
| CAD / CAM Services, Inc. | Texas |
| CAD Design Services, Inc. | California |
| CAD Masters, Inc. | California |
| CAD Pro | Oklahoma |
| CAD Specialist | Georgia |
| CAD Unlimited, Inc. | Arizona |
| CAD-Manufacturing Solutions, Inc. | Texas |
| CAD-Manufacturing Solutions, Inc. | |
| CAD/CAM Consulting Services, Inc. | California |
| CAD/CAM Services, Inc. Medical Division | Texas |
| CAD/CAM Solutions, Inc. | Georgia |
| Cada + Associates, Inc. | |
| CadActive Technologies, Inc. | Colorado |
| CadAid, Inc. | Massachusetts |
| CADAN Technologies | Minnesota |
| CADapult Software Solutions, Inc. | Oregon |
| Cadasta | |
| CADCAM Systems | Colorado |
| CADCAM-ECOM, Inc. | Michigan |
| CADCIM Technologies | Indiana |
| Caddietech | North Carolina |
| Cadebill | Virginia |
| Cadena | New York |
| Cadence Design Systems, Inc. | California |
| Cadence Neuroscienc, Inc. | |
| Cadence Neuroscience | |
| Cadence Solutions, Inc. | New York |
| Cadence, Inc. | Virginia |
| CadEnhance | Texas |
| Cadent | New York |
| Cadent | |
| Cadent Technologies, Inc. | California |
| Cadenza Bio | |
| Cadenza Innovation, Inc. | Connecticut |
| Cadex Genomics Corporation | Louisiana |
| CADfx, Inc. | Michigan |
| Cadian Capital Management | |