National Organizations

AAID (American Association of Intellectual and Developmental Disabilities)
ADDA (Attention Deficit Disorder Association)
ASHA (American Speech-Language-Hearing Association)
ANAD (National Association for Anorexia Nervosa and Associated Disorders)
Anxiety Disorder Association of America
Autism Society of America
Autism Science Foundation
Autism Speaks
The Balanced Mind Parent Network
BIAA (Brain Injury Association of America)
Bully Free World

Bullying No Way!

Bullying UK
Center for Applied Social Technology
CASANA (Childhood Apraxia of Speech Association of North America)

CCBD (Council for Children with Behavioral Disorders)
CEC (Council for Exceptional Children)
CECP (Center for Effective Collaboration and Practice)
CHADD (Children and Adults with Attention Deficit/Hyperactivity Disorder)
CPIR (Center for Parent Information and Resources – formerly known as NICHCY) 
Closing the Gap

Conflict Resolution Education

COPAA (Council of Parents Attorneys and Advocates)
Depression and Bipolar Support Alliance
Different Roads to Learning
DO-IT (Disabilities, Opportunities, Inter-networking and Technology)
Education World: Stop Bullying Now
Epilepsy Foundation of America
FCTD (Family Center on Technology and Disability)
Get Ready to Read!
ICDL (Interdisciplinary Council on Development and Learning)
Information on the PODD Communication System
International Rett Syndrome Foundation
The Kennedy Krieger Institute
LD Online
LDA (Learning Disabilities Association of America)
Learning Ally
Mental Health Matters

NADS (National Association for Down Syndrome)
NAMI (National Alliance for the Mentally Ill)
NASDSE (National Association of State Directors of Special Education)
NCLD (National Center for Learning Disabilities)
NDRN (National Disability Rights Network)
NDSS (National Down Syndrome Society)
National Institutes of Mental Health
National Institute on Drug Abuse
National Resource on Bullying
NLD (Nonverbal Learning Disorders) on the Web!
No Bully
Options Center for Independent Living

PACER (Parent Advocacy Center for Educational Rights)
The PROMPT Institute
Sibling Support Project
TASH (The Association for Persons with Severe Handicaps)
Tourette Association of America 
United Cerebral Palsy Organization

Federal Law & Guidance

ADA (Americans with Disabilities Act)
ESEA (Elementary and Secondary Education Act)
HIPPA (Health Insurance Portability and Accountability Act)
IDEA (Individuals with Disabilities Education Act) and its Regulations
FERPA (Family Educational Rights and Privacy Act)
NCLB (No Child Left Behind)
OSEP (Office of Special Education Programs)
OSERS (Office of Special Education and Rehabilitative Services)
Section 504 of the Rehabilitation Act of 1973
U.S. Department of Education