Alabama Freethought Association
Birmingham Freethought Society
Etowah County Rational Alliance (ECRA)
Marshall County Atheists & Agnostics
Montgomery Area Freethought Association
North Alabama Freethought Association
Southeast Alabama Freethought Association
UA Alabama Atheists & Agnostics
West Alabama Freethought Association
Center for Inquiry Community of Southern Arizona
FFRF - Valley of the Sun Chapter (Phoenix area)
Humanist Society of Greater Phoenix
Or Adam, Congregation for Humanistic Judaism
The Phoenix Atheist Meetup Group
Arkansas Society of Freethinkers
Freethought Society of Northwest Arkansas (Bentonville/Rogers)
Heber Springs Freethinkers Society
Jonesboro Freethought Alliance
Adat Chaverim, Congregation for Humanistic Judaism
Agnostic & Atheist Student Association (at UC Davis)
Atheist Advocates of San Francisco
Atheists & Agnostics Group of Rossmoor
Atheists, Agnostics, and Rationalists at UCI
Atheists and Other Freethinkers of Sacramento
Atheist Coalition of San Diego
Atheists, Humanists, & Agnostics (AHA!) at Stanford
Atheists of North Coastal San Diego County
Atheist Student Organization (at CSU Sacramento)
Center for Inquiry - Los Angeles
Center for Inquiry - Orange County
Center for Inquiry - San Francisco
Central Valley Alliance of Atheists and Skeptics
Contra Costa Atheists & Freethinkers
D.A.M.N. (Doubters, Agnostics, Mythbusters & Nontheists) of De Anza College
First Atheist Church of True Science (FACTS)
Greater Sacramento Single Atheists
Humanist Association of the Greater Sacramento Area
Humanist Association of Los Angeles
Humanist Association of Orange County
Humanist Association of San Diego
Humanist Community in Silicon Valley
The Humanist Fellowship of San Diego
Humanists of the San Joaquin Valley
Humanist Society of Santa Barbara
Inland Empire Atheists, Agnostics and Skeptics
Kol Hadash, Northern California
Orange County Atheist Conversational Meetup
Orange County Freethought Alliance
Orange County Society for Humanistic Judaism
Pacific Community of Cultural Jews
Sac City Freethinkers (at Sacramento City College)
Sacramento Freethinkers, Atheists, and Nonbelievers (Sac FAN)
The Sacramento Organization for Rational Thinking (SORT)
Sacramento Area Skeptics (SAS)
San Diego Association for Rational Inquiry
San Diego New Atheists and Agnostics
San Diego North County Brights
San Diego Secular Humanist Outreach
Seal Beach/Long Beach Atheists
Secular Humanist Families of North County
Secular Humanists of Santa Cruz County
Stockton-Area Atheists and Freethinkers (SAAF)
UCD Agnostic & Atheist Student Association
Atheists and Freethinkers of Denver
Beth Ami, Colorado Congregation for Humanistic Judaism
D.A.F.T. (Denver Atheists & Freethinkers)
Freethinkers of Colorado Springs
Freethinkers of Northern Colorado
Leaders in Free Thought - (L.I.F.T.)
Secular Students and Skeptics Society (at CU Boulder)
Western Colorado Atheists & Freethinkers
Atheist Humanist Society of CT and RI
Congregation for Humanistic Judaism, Fairfield County
Humanist Association of Connecticut
Delaware Association for Humanism
African Americans for Humanism DC (AAH-DC)
District of Columbia Atheists, Incorporated
Gay Atheists of Washington DC (GAWD)
Northern Virginia Ethical Society (NoVES)
Secular Students at Howard University
Washington Area Secular Humanists - Maryland-DC Chapter
Washington Area Secular Humanists - Northern Virgina Chapter
Center for Inquiry - Daytona Beach
Center for Inquiry - Fort Laudedale
Center for Inquiry - Tallahassee
Congregation for Humanistic Judaism
First Coast Freethought Society, Inc.
Florida Atheists & Secular Humanists (FLASH)
Gulf Coast Humanist Association
Humanist Association of West Central Florida
Humanist Society of Gainesville
Humanist Society of the Suncoast
Humanist Society of the Suncoast
Humanistic Jewish Havurah of Southwest Florida
Humanists of Florida Association
Humanists of Sarasota Bay Area
Humanists of the Treasure Coast
Orlando Freethinkers & Humanists
Space Coast Freethought Association
St. Pete Atheist/Freethought Group
The Treasure Coast Atheists Meetup Group
University of Central Florida (Project S.M.A.R.T.)
The Atlanta Atheists Meetup Group
Macon Atheists & Secular Humanists
Idaho Atheists and Freethinkers
Atheist Community of South Chicago Suburbs
Beth Chaverim Humanistic Jewish Community
Champaign-Urbana Freethinkers (CU-Free)
Ethical Humanist Society of Chicago
Humanists of West Suburban Chicagoland
IL/WI Stateline Atheist Society
IWU Atheist, Agnostic, and Non-Religious
Kol Hadash Humanistic Congregation
North Suburban Chicago Atheist Meetup Group
North Suburban Chicago Freethinkers Meetup
The Humanist Friendship Group of Central Indiana
Atheists United for a Rational America
Iowa Atheists and Freethinkers, Inc.
Atheist Community of Topeka (ACT)
Ethical Humanist Society of Greater Chicago
Wichita's Secular Organization for Sobriety (SOS)
Free Inquiry Group, Inc. of Greater Cincinnati and Northern Kentucky
Humanist Forum of Central Kentucky
The Kentucky Association of Science Educators and Skeptics
Skeptically Drinking/The Lexington Society for Skeptical Inquiry
Louisville Atheists & Freethinkers
Louisville Atheists and Freethinkers Adopt-A-Mile
The Science and Philosophy Book Club
New Orleans Secular Humanist Association
African American Humanist Society
The Baltimore Atheists MeetUp Group
Baltimore Ethical Society (BES)
Baltimore Jewish Cultural Chavurah
Baltimore Secular Humanists (WASH)
Greater Baltimore Atheist Community (GBAC)
Humanist Association of Massachusetts
Kahal B'raira, Boston Congregation for Humanistic Judaism
Atheists at Oakland University
The Detroit Grassroots Atheism Project
Freethought Association of West Michigan
Heretics Anonymous Bible Study Meetup
Mid-Michigan Atheists and Humanists
Or Emet, Minnesota Congregation for Humanistic Judaism
University of Minnesota Campus Atheists and Secular Humanists
Gulf Coast Atheist and Freethinking Association
Rationalist Society of St. Louis
St. Louis Atheist Meetup Group
Billings Association of Humanists
Southwest Montana Freethinkers
R.E.A.S.O.N - Rationalists, Empiricists And Skeptics Of Nebraska
Humanist Association of Las Vegas and Southern Nevada
Congregation for Humanistic Judaism of Morris County
Ethical Culture Society of Bergen County
Ethical Culture Society of Essex County
Humanist Society of New Mexico
Capital District Humanist Society
Center for Inquiry - Long Island
Center for Inquiry - New York City
The City Congregation for Humanistic Judaism
Ethical Humanist Society of Long Island
Freethinkers of Upstate New York
Humanist Society of Metropolitan New York
New York Society for Ethical Culture
Secular Humanist Society of New York
Westchester Community for Humanistic Judaism
Atheists & Agnostics of Brevard/Transylvania County
Central North Carolina Atheists and Humanists
Charlotte Atheists & Agnostics
Ethical Humanist Society of the Triangle
Forsyth Area Critical Thinkers (FACT)
Freethinkers, Agnostics, Atheists & Secularists of the Triangle (FAAST) Meetup
The Gastonia Society for FreeThought
Greensboro Atheists Organization
Humanists & Freethinkers of Cape Fear
Kol Haskalah, A Humanistic Jewish Congregation
Raising Noodles in the Triangle (for Secular Humanist Parents)
Triangle Atheist, Agnostic, Freethinker, and Humanist Meetup
UNCG Atheists/Agnostics/Skeptics
Western North Carolina Atheists
Center for Inquiry - Northeast Ohio
Central Ohioans for Rational Inquiry
Cincinnati Atheists Meetup Group
Humanist Community of Central Ohio
Humanist Jewish Chavurah of Columbus
Atheist Community of Tulsa (ACT)
Atheist Community of Tulsa Meetup
Beaverton Atheist Meetup (BAM)
The Flying Spaghetti Monster (FSM) Lands for a Pint Meetup
Freethinker/Atheist/Agnostic/Secular Humanist/Naturalist (FAASHN)
Humanists of Greater Portland (HGP)
Kol Shalom, Community for Humanistic Judaism
Portland Area Humanism Meetup (PAHM)
Secular Humanists of East Portland (SHEP) Meetup
Secular Parenting Meetup (SPM)
Center for Inquiry - Pittsburgh
Ethical Humanist Society of Philadelphia
Humanist Association of Greater Philadelphia
Penn State Atheist Agnostic Association
Temple Atheists and Critical Thinkers
Freethought Society of the Midlands (FSM)
Myrtle Beach Humanists & Freethinkers
Secular Humanists of the Lowcountry
Secular Humanists of South Carolina Midlands
University of South Carolina Pastafarians
Atheist Society of Knoxville (ASK)
The Knoxville Skeptics Meetup Group
Rationalists of East Tennessee
Asimov Humanists of Montgomery County
Atheist and Freethinker Meetup Group of Austin
Freethinkers Association of Central Texas (FACT)
Freethinkers of Fort Worth Meetup Group
Freethinkers of University of Texas - Arlington
The Houston Church of Freethought
Humanist Association of Fort Worth
Humanist Fellowship of North Texas
Kingwood Humble Atascocita Atheists
Metroplex Atheists of Ft. Worth/Dallas
North Texas Church of Freethought
Secular Students in Collin County
The Godless Horde of Salt Lake
Secular Humanism, Inquiry and Freethought (SHIFT)
Secular Humanists, Atheists, and Free Thinkers (SHAFT)
Atheists of the New River Valley
Central Virginia Secular Humanists
Lynchburg Area Secular Humanists (LASH)
Northern Virginia Ethical Society
Northern Virginia Secular Humanists
Richmond Reason and Naturalism Association
Shenandoah Area Secular Humanists
Tidewater Atheists Group (TAG)
Virginia Atheists & Agnostics (UVA)
Eastside Atheist/Agnostic Meetup Group
Ethical Culture Society of Puget Sound
Freethinkers United Network (FUN)
Humanist Focus Group of the Inland Northwest - Spokane
Humanists of North Puget Sound
Inland Northwest Freethought Society
Secular Jewish Circle of Puget Sound
Atheists, Humanists and Agnostics (AHA!) at the UW-Madison