- Cressey & Co.
- Crest Healthcare
- Cripple Creek Care Center
- Cross River Bank
- Crowell & Moring
- CT Mirror
- Cumberland Village Care
- Curana Health
- Curana Health ACO
- Curana Health Medical Group
- Curavi Health
- Cureus
- Curis Health
- Curve Health
- Cushman & Wakefield
- Cutting Edge HC
- CVS
- CVS Health
- CynergisTek
- Cypress Cove