- Connecting Hearts
- connectRN
- Conscious Fund
- Conservation Burial Alliance
- Consumer Coalition for Quality Healthcare
- Contessa
- Contessa Health
- Continuum Care
- Continuum Care of Miami Dade
- Continuum Care of Sarasota
- Contressa
- Coordinated Care Washington
- Corinthian Capital
- Cornerstone Healthcare
- Cornerstone Home Health and Hospice
- Cornerstone Hospice
- Cornerstone Hospice & Palliative Care
- Cornerstone Hospice Foundation
- Corpore Sano Hospice
- Council of State Home Care and Hospice Associations