- American Foundation for the Blind
- Americans with Disabilities (ADA) Information Line 1-800-514-0301 TTY: 1-800-514-0383
- Association for Persons with Severe Handicaps (TASH)
- Autism Resource Center, American Academy of Child & Adolescent Psychiatry
- Center for Disease Control (CDC) AIDS Hotline: 1-800-342-2437 TTY: 1-800-243-7889
- Children with Attention Deficit Disorders (CHADD)
- Council for Exceptional Children
- DESE First Steps
- Federation of Families for Children’s Mental Health
- The Lighthouse National Center for Vision and Child Development
- MACDDS
- Missouri Department of Elementary and Secondary Education Special Education Programs
- Missouri Dept. of Mental Health
- Missouri Parents Act (MPACT)
- National Association of Developmental Disabilities Councils
- National Center for Learning Disabilities
- National Council on Disability
- National Down Syndrome Congress
- National Easter Seal Society
- National Federation of the Blind
- National Institute on Disability and Rehabilitation Research U.S. Department of Education
- Office of Special Education Programs U.S. Department of Education
- Our Kids (parenting resource site)
- Red Wagon Kids
- Spina Bifida Association of America (SBAA)
- United Cerebral Palsy Associations, Inc.
- U.S. Department of Education – Information Resource Center 1-800-USA-LEARN
- U.S. Department of Justice – ADA Information Line 1-800-515-0301 TDD: 1-800-514-0383