Organizations in Washington
- Administration on Developmental Disabilities
- American Association of Museums
- American Association of People with Disabilities (AAPD)
- American Association on Intellectual and Developmental Disabilities
- American College of Obstetricians and Gynecologists (ACOG)
- American Council of the Blind
- American Psychological Association
- American Red Cross
- Americorps
- Asthma & Allergy Foundation of America
- Behavior Change Institute - DC Metro
- Bureau of Land Management
- Columbia Lighthouse for the Blind
- DC Fire Fighters Burn Foundation
- DisabilityInfo.gov
- Gallaudet Dance Company
- Greater Outdoor Recreation Pages
- Institute of Medicine
- Lupus Foundation of America
- Med StarNational Rehabilitation Hospital
- National 4-H Headquarters
- National Council on Disability
- National Council on Independent Living
- National Institute on Disability and Rehabilitation Research
- National Organization on Disability
- National Park Service
- National SAFE KIDS Campaign
- National Wilderness Preservation System
- Office of Special Education and Rehabilitation Services
- Paralyzed Veterans of America
- Physicians Committee for Responsible Medicine
- Rock Creek Park Center
- Special Olympics
- Special Olympics District of Columbia
- Spina Bifida Association of America
- Sports Programs at National Rehabilitation Hospital (BlazeSports)
- The Arc of the United States
- United Cerebral Palsy
- United States Department of Agriculture
- United States Department of Health and Human Services
- United States Department of Justice
- United States Department of State
- United States Fish and Wildlife Service
- US Access Board
- VSA Arts-John F Kennedy Center for the Performing Arts