| Company | Location |
|---|---|
| CDC/NIOSH | Cincinnati, Ohio, United States |
| CECON Consulting Group | Wilmington, Delaware, United States |
| CEDRAT SA | Meylan, France |
| CEI Co. Ltd. | Springfield, Tennessee, United States |
| Celera Genomics | Rockville, Maryland, United States |
| Cell Robotics International Inc. | Albuquerque, New Mexico, United States |
| Cellomics Inc. | Pittsburgh, Pennsylvania, United States |
| CellTech Power | Westboro, Massachusetts, United States |
| Cellular Process Chemistry Inc. | Cambridge, Massachusetts, United States |
| Cengent Therapeutics Inc. | San Diego, California, United States |
