http://www.chadd.org/CHADD (Children and Adults with Attention-Deficit/Hyperactivity Disorder) is the nation’s leading non-profit organization serving individuals with ADHD and their families through education, advocacy and support.
http://www.help4adhd.org/
The National Resource Center on ADHD (NRC): A Program of CHADD (Children and Adults with Attention-Deficit / Hyperactivity Disorder), was established in 2002 to be the national clearinghouse for the latest evidence-based information on ADHD. The NRC provides comprehensive information and support to individuals with ADHD, their families and friends, and the professionals involved in their lives.
http://www.add.org/
The Attention Deficit Disorder Association provides information, resources and networking opportunities to help adults with Attention Deficit Hyperactivity Disorder lead better lives.