Soka Gakkai International (SGI)-USA is an American Buddhist association based on the teachings of the Nichiren school of Mahayana Buddhism. Its website includes state-by-state contact information for Soka Gakkai centers around the United States.

The Minaret of Freedom Institute, based in Bethesda, Md., conducts independent scholarly research into issues involving Islam in the U.S. and policy issues affecting Muslim countries. The institute’s emphasis is on Islam, freedom and free markets, and the political and economic implications of Islamic law.

The United Religions Initiative, based in San Francisco, promotes interfaith cooperation and ending religiously motivated violence. It has “cooperation circles” around the globe.

The seminary was founded in 1976. Its name and location have changed through the years; since 2006 it has been in Roswell, N.M.

The Council for a Parliament of the World’s Religions, based in Chicago, sponsors interfaith dialogue and encourages cooperation among religious and spiritual communities and institutions.

This site gives a history and summary of the Russian Orthodox Church in the United States and lists parishes nationwide.

The Interfaith Center of New York is an educational nonprofit dedicated to understanding and cooperation among faiths. The center works with a wide variety of religious leaders.

Brigham Young University is a Mormon university, and its scholars can speak about beliefs and practices.

Light Planet’s Mormonism site, created by Mormons and supportive of the church, posts information on Mormon life and beliefs and links to dozens of other sites.