- The T21 Club - Down syndrome clothing
- Down syndrome Online
- Ask Dr. Sears
- Ds Awareness jewelry
- Down syndrome Awareness shirts
- Clothes for Kids with Ds
- Woodbine House - Books about Down syndrome
- Gifts
- Web MD
- Down syndrome: Health News
- The Arc
- Down syndrome Research Foundation
- Down syndrome Research and Treatment Foundation
- Gifts of Gabi's Grace
- National Down Syndrome Congress
- National Down Syndrome Society
- National Association of Down syndrome
- The Little Lighthouse of Tulsa
- Cafe Mom - The Down Syndrome Group
- Down Syndrome Association of Tulsa
- Why We Walk