| Adolescence Directory On-Line | | Electronic guide to information on adolescent issues. Offers web resources for educators, counselors, parents, researchers, health practitioners, and teens. |
| Adolescent Health Transition Project | | Designed to help smooth the transition from pediatric to adult health care for adolescents with special health care needs. Includes resource information, materials, and links to other people with an interest in health transition issues. |
| Advocating Change Together | | Advocating Change Together (ACT) started in 1979 in response to the growing concern that individuals with developmental disabilities were being isolated and excluded from decisions regarding their lives. ACT is a grassroots, member-controlled organization, run by and for persons with developmental and other disabilities. |
| AECMN | | Association for the Education of Children with Medical Needs. On its history and organisation. |
| Alexander Graham Bell Association for the Deaf and Hard of Hearing | | The Alexander Graham Bell Association for the Deaf and Hard of Hearing is one of the world's largest membership organizations and information centers on hearing loss and the auditory approach. AG Bell focuses specifically on children with hearing loss, providing ongoing support and advocacy for parents, professionals and other interested parties. |
| All Kinds Of Minds | | Undertakes applied research, product development, program design, and professional training to foster the understanding and optimal care of children with differences in learning. |
| American Academy for Cerebral Palsy and Developmental Medicine | | The AACPDM is a multidisciplinary scientific society devoted to the study of cerebral palsy and other childhood onset disabilities, to promoting professional education for the treatment and management of these conditions, and to improving the quality of life for people with these disabilities. |
| American Academy of Pediatrics | | The mission of the American Academy of Pediatrics is to attain optimal physical, mental and social health and well-being for all infants, children, adolescents and young adults. |
| American Brain Tumor Association | | The American Brain Tumor Association (ABTA) exists to eliminate brain tumors through research and to meet the needs of patients and families. |
| American Cancer Society | | The American Cancer Society (ACS) is a nationwide, community- based voluntary health organization. Headquartered in Atlanta, Georgia, the ACS has state divisions and more than 3,400 local offices. |
| American Council of the Blind | | Strives to improve the well-being of all blind and visually impaired people by serving as a representative national organization of blind people; elevating the social, economic and cultural levels of blind people; and improving educational and rehabilitation facilities and opportunities. |
| American Diabetes Association | | The mission of the organization is to prevent and cure diabetes, and to improve the lives of all people affected by diabetes. To fulfill this mission, the American Diabetes Association funds research, publishes scientific findings, provides information and other services to people with diabetes, their families, health care professionals and the public and advocates for scientific research and for the rights of people with diabetes. |
| American Foundation for the Blind (AFB) | | The foundation's mission is to enable people who are blind or visually impaired to achieve equality of access and opportunity that will ensure freedom of choice in their lives. |
| American Music Therapy Association | | Founded in 1998, AMTA's purpose is the progressive development of the therapeutic use of music in rehabilitation, special education, and community settings. Predecessors to the American Music Therapy Association included the National Association for Music Therapy founded in 1950 and the American Association for Music Therapy founded in 1971. AMTA is committed to the advancement of education, training, professional standards, credentials, and research in support of the music therapy profession. |
| American Nystagmus Network | | The American Nystagmus Network seeks to provide technical and experiential information about nystagmus and its manifestations, but not medical advice. Information relates to a wide range of concerns including without limit, diagnosis, type, visual effects, non-visual effects, tests and available treatment. It also covers heredity, research, and known statistical data on nystagmus. |
| American Printing House for the Blind | | Producing books, magazines, and other materials in braille, large print, recorded, and digital formats, writing and recording equipment, materials for teaching blind students, and special supplies used in education and by adults. |
| American Society for Action on Pain | | ASAP is an organization of patients who suffer from chronic pain, their families, the physicians who treat them, and other interested citizens. |
| American Society for Deaf Children | | An national, independent non-profit organization whose purpose is providing support, encouragement, and information to families raising children who are deaf or hard of hearing. |
| Angelman Syndrome Foundation | | ASF's Mission is to advance the awareness and treatment of Angelman Syndrome through education, information exchange and research. |
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