| Allegheny County Area Agency on Aging | Assists Allegheny County residents, 60 years of age and older, to live safe, healthy and, when possible, independent lives. |
| Alliance Center for Independence | Supports and promotes independent living for people with disabilities in Middlesex, Union and Somerset counties in New Jersey. |
| Alliance Colorado | Dedicated to strengthening services and supports for individuals with intellectual and developmental disabilities (IDD). |
| Alliance for Aging, Inc | Community leader responsible for serving as the focal point on aging through comprehensive information and access to quality services for older adults and their families. |
| Alliance of Disability Advocates | Strives to enable people with any disabilities to fully participate in their communities without boundaries. |
| Aloha Independent Living Hawaii | Provide independent living programs and services for persons with disabilities in Hawaii. |
| Alpha One – Bangor | Enable thousands of people with disabilities to live more fully and more independently in all aspects of their lives. |
| Alpha One – Presque Isle | Enable thousands of people with disabilities to live more fully and more independently in all aspects of their lives. |
| Alpha One – South Portland Office | Enable thousands of people with disabilities to live more fully and more independently in all aspects of their lives. |
| Alpine Alternatives | For over 30 years Alpine Alternatives has provided outdoor recreation activities to children and adults experiencing disabilities. |