Supporting Organizations Include:

American Humanist Association
Founded in 1941, headquartered in Washington, D.C., and advocating for the rights and viewpoints of humanists; its work is extended through more than 100 local chapters and affiliates across America.
Roy Speckhardt, Executive Director
1777 T Street NW,
Washington, DC 20009
Phone: 800-837-3792 
The Freedom From Religion Foundation, Inc., is an educational group working for the separation of state and church. Its purposes, as stated in its bylaws, are to promote the constitutional principle of separation of state and church, and to educate the public on matters relating to nontheism. Incorporated in 1978 in Wisconsin, the Foundation is a national membership association of freethinkers: atheists, agnostics and skeptics of any pedigree.
Dan Barker, Co-President
Annie Laurie Gaylor, Co-President
PO Box 750
Madison WI 53701
Phone: 608-256-8900
Atheist Alliance International
AAI is a democratic association of independent religion-free groups and individuals in the United States and around the world.
Creates and implements marketing programs that increase the visibility of the freethought community while educating the general public about the benefits to the individual and society of rational thought and action based on logic, reason and good will.
Jan Meshon, President
[email protected]