- Aetna Better Health of Virginia
- Affinis Hospice
- Affinity Care of Manatee County
- Affinity Hospice
- Affinity Hospice Holdings
- After Cloud
- After.com
- Agape Care
- Agape Care Group
- Agape Hospice
- Agape Hospice and Palliative Care
- Ageless Innovations
- Agency for Healthcare Research and Quality
- Agenda Health
- agilon health
- Aging Care LLC
- Aging Media Network
- Aging True
- Aging True Community Senior Services
- Agrace