| Company | Location |
|---|---|
| Case Western Reserve University | Cleveland, Ohio, United States |
| Catalan Institute of Nanotechnology (ICN) | Barcelona, Spain |
| Catalyst Equipment Corp. | Plano, Texas, United States |
| Catalysta Partners LLC | Atlanta, Georgia, United States |
| Catalytic Materials LLC | Holliston, Massachusetts, United States |
| Catalytica Energy Systems Inc. | Mountain View, California, United States |
| Caterpillar Inc. | Peoria, Illinois, United States |
| Caveo Technology | Newton, Massachusetts, United States |
| CB Richard Ellis | Los Angeles, California, United States |
| CBC Co., Ltd. | Chuo-ku,, Japan |
