| Company | Location |
|---|---|
| California NanoSystems Institute UCLA | Los Angeles, California, United States |
| California Technology, Trade, and Commerce Agency | Sacramento, California, United States |
| Caliper Life Sciences | Mountain View, California, United States |
| CALTECH | Pasadena, California, United States |
| Cambridge Display Technology | Cambridge, United Kingdom |
| Cambridge NanoTech ALD Systems | Cambridge, MA, United Kingdom |
| Cambridge University Engineering | Cambridge, United Kingdom |
| CAMECA Instrument Inc. | Courbevoie Cedex, United Kingdom |
| Campus Micro Technologies GmbH | Bremen, France |
| CamScan USA Inc. | Cranberry Township, Pennsylvania, United States |
