| Company | Location |
|---|---|
| Caveo Technology | Newton, Massachusetts, United States |
| CB Richard Ellis | Los Angeles, California, United States |
| CBC Co., Ltd. | Chuo-ku,, Japan |
| CBI Surplus | Scotia, New York, United States |
| CD Genomics | Shirley, New York, United States |
| 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 |
