- CareXM
- Caring Brands International
- Caring Hearts Hospice
- Caring People
- Caris Health
- Caris Healthcare
- Carl & Dorothy Bennett Cancer Center
- Carla Cheatham Consulting Group
- Carolina Caring
- Carolinas Center for Hospice and End of Life Care
- Carrefour Associates
- Carrington Hospice Care
- Carris Health Rice Hospice
- Carroll Hospice
- Carroll Hospital
- Casa de la Luz
- Casa de la Paz Hospice
- Cascadia Healthcare
- Casdin Capital
- Case Management Society of America