- Central New Hampshire VNA and Hospice
- Central Texas Palliative Care Associates
- Central Vermont Home Health & Hospice
- Central Wyoming Hospice House & Transitions
- Centrica Care Navigators
- Centro Hispano of Dane County
- Cerner Corporation
- CGS
- Chamberlain University
- Change Health
- Change Healthcare
- CHAP
- Chapters Health
- Chapters Health Foundation
- Chapters Health Palliative Care
- Chapters Health System
- Charis Hospice
- Charles R. Drew University of Medicine and Science
- Charter Health Care Group
- Charter Healthcare Group