- HC-One
- HCA Healthcare
- HCANJ
- HCBS
- HCCI
- HCF Management
- HCP
- HCPro
- HCR Manor Care
- HCR ManorCare
- HCSC
- HDG
- Healing Partners
- Health Affairs
- Health and Hospital Corp. of Marion County
- Health and Hospital Corporation of Marion County
- Health Care Association of Michigan
- Health Care Association of New Jersey
- Health Care Council of Illinois
- Health Care Service Corporation