- Accura
- Accura HealthCare
- Accushield
- ACHA
- ACHCA
- ACME Capital
- Activated Insights
- ACTS Retirement Life Communities
- ACTS Retirement Services
- Acts Retirement-Life Communities
- Acumen
- ADME Investment Partners
- Administration for Community Living
- Advance Care Planning
- Advance Local
- Advancing Excellence in Long-Term Care Collaborative
- Advantage Living Centers
- AdventHealth
- Adventist Health Tillamook
- Adventist Midwest Health


