- ADDA – National Attention Deficit Disorder Association
1788 Second Street, Suite
200 Highland Park, IL 60035
847-432-2332
FAX: 847-432-5874
www.add.org
e-mail: Mail@add.org - CHADD – Children and Adults with Attention Deficit Disorder
8181 Professional Place, Suite 201
Landover, MD 20785
800-233-4050 or 301-306-7070
FAX: 301-306-7090
www.chadd.org

