- ACHC
- ACP Decisions
- Adaptive Hospice
- Addison Country Home Health & Hospice
- Addison County Home Health and Hospice
- Addus
- Addus Homecare
- Addus HomeCare Corp
- Addus Homecare Corp.
- Addus HomeCare Corporation
- Addus HomeCare Partners
- Administration for Community Living
- Adoration Health
- Adoration Home Health & Hospice
- Adtalem Global Education
- Advalt Inc.
- Advanced Home Care
- Advanced Hospice Management
- Advanced Illness Partners
- Advanced Integrative Medical Science Institute