- Commercial Property Executive
- Commission for Prevention of Pressure Injuries
- CommonSpirit Health
- Commonwealth Fund
- CommonWealth Magazine
- Commonwealth Senior Living
- CommuniCare
- Communicare Family of Companies
- CommuniCare Health Services
- Community Health Services of Georgia
- Community Healthcare Associates
- Community HealthCare System
- Compass Group
- Compass Healthcare
- Compass Home Dialysis
- Complete Care Management
- Complete HealthCare Resources
- complexcare solutions
- Comprehensive Healthcare
- Comprehensive Healthcare Management Services