| Company | Location |
|---|---|
| Cessna Aircraft Co. | Wichita, Kansas, United States |
| CEYX Technologies Inc. | San Diego, California, United States |
| CFC Veranstaltungen GmbH | Braunschweig, Germany |
| CFD Research Corp. | Huntsville, Alabama, United States |
| CHA Industries | Fremont, California, United States |
| Chalmers University of Technology - Microtechnology Centre | Goteborg, Sweden |
| ChannelScience | Plano, Texas, United States |
| Charles Stark Draper Laboratory | Cambridge, Massachusetts, United States |
| Charmilles | Lincolnshire, Illinois, United States |
| Chartered Semiconductor Manufacturing | Singapore, Singapore |
