| Company | Location |
|---|---|
| Coughlin Assoc. | Atascadero, California, United States |
| Council for Scientific and Industrial Research | Pretoria, South Africa |
| Coventor Inc. | Cary, North Carolina, United States |
| Covestro LLC | Pittsburgh, Pennsylvania, United States |
| Covion Organic Semiconductors GmbH | Frankfurt am Main, Germany |
| CPS Instruments, Inc. | Prairieville, Louisiana, United States |
| Crane Aerospace & Electronics | Lynnwood, Washington, United States |
| Craton Equity Partners | Los Angeles, California, United States |
| CRC Press LLC | Boca Raton, Florida, United States |
| CRDF | Arlington, Virginia, United States |
