The secular humanist and freethought society serving Corvallis, in Oregon.

Promoting atheism as a positive element in society. Minneapolis based with newsletter, events listing and links.

A site for Montanans (and others) to learn and share atheist, humanist, and other free thought views.

Not-for-profit educational organization, providing fellowship and a forum for critical discussion and debate on any topic of importance for humankind.

Skeptical organization in Cleveland, Ohio, that promotes reason and rationality and opposes superstition and junk science. Newsletter, calendar, skeptic related links, and an area devoted to logical fallacies.

Humanist Association of San Diego

Provides a protesting guide, a list of famous atheists, and a message board.

Humanism, freethought, science, and ethics from Mt. Pleasant, Michigan.

Based in Sacramento, with links and some collected articles. Member of the Internet Infidels group.

Local organisations, authors, ceremonies, quiz, and FAQ. (United States)

Features events, issues, secular alternatives to religious groups and ceremonies, and humour. In USA.

Resource site for atheists and freethinkers in the Denver/Boulder, Colorado area. Includes listing of events, a legislation watch, news, and a book section.

Regional atheist, agnostic, and humanist organization in upstate New York.

List of meetings, calendar of events, upcoming projects, and contact information.

Non-profit organization for humanists and other atheists in the Kansas City area.

New York chapter of the Brights.

Contains the history of the group, lists of articles, and links.

Offers information about the organization, a calendar of activities, and a list of links.

Friendship and activism in the Bay Area.

Freethought organization working to promote positive atheism through education. Newsletter, calendar of events, forum, and how to join. Los Angeles, California, United States.

Residential summer camp for the children of atheists, freethinkers, secular humanists, and humanists. Pictures, list of activities, and registration forms.

Opportunities for activists, news, information on upcoming events, photographs, and links.

Informal groups of residents who each meet once a month to discuss atheism and religiously topical events in the area and around the world. News, meeting schedule, and contact information. Bay Area, California.

Rational, moral community based on reason. Group's history, frequently asked questions, bylaws, calendar of events, and how to join. Atlanta, Georgia.

Atheist organization promoting religion-free lives and the U.S. Constitutional right of freedom from religion. News, information on upcoming events, and links.

Seeking to provide to those of a humanist or agnostic orientation the benefits traditionally provided by church groups. Events calendar and related links. California.

Grassroots organization that exists to provide a forum for United States service members to express their views and find a community of like-minded individuals. Articles, news, how to become a member, and frequently asked questions.