| Company | Location |
|---|---|
| CMI | Liege, Belgium |
| CMP Cientifica | Madrid, Spain |
| CNFbiofuel, Inc. | Salida, California, United States |
| Codesta LLC | Palo Alto, California, United States |
| CoEv Magnetics | Watertown, South Dakota, United States |
| Cognigine Corp. | Fremont, California, United States |
| CogniTek Management Systems Inc. | Northfield, Illinois, United States |
| Coherent Inc. | Santa Clara, California, United States |
| Coherent Technologies Inc. | Boulder, Colorado, United States |
| Coherix Corp. | Grandville, Michigan, United States |
