The Orthodox Union Institute for Public Affairs advocates for the rights and interests of Orthodox Judaism. The executive director is Nathan Diament.

The Religious Action Center of Reform Judaism is the advocacy arm of the Union for Reform Judaism. Rabbi David Saperstein is its director and counsel.

The National Council of the Churches of Christ in the USA is an umbrella organization of Protestant, Anglican, Orthodox, historic African American and Living Peace denominations. The NCCC frequently files amicus briefs in religious and civil liberties cases. Philip E. Jenks is press contact.

The American Civil Liberties Union litigates on behalf of civil liberties, including religious liberties. It is based in Washington, D.C., and has many chapters throughout the United States. Anthony D. Romero is its executive director.

The Thomas More Law Center is a law firm dedicated to the defense and promotion of the religious freedom of Christians. Contact president and chief counsel Richard Thompson in Ann Arbor, Mich.

The Southeastern Legal Foundation is a legal advocacy group based in Marietta, Ga., and Washington, D.C. Its lawyers have argued in support of prayer in public places and for the public display of the Ten Commandments. Contact Todd Young.

The Rutherford Institute is an international, nonprofit civil liberties organization based in Charlottesville, Va. It represents clients in religious liberty issues. Contact media liaison Nisha N. Whitehead.

The Pacific Justice Institute is a nonprofit legal defense organization that specializes in religious and civil liberties cases. Its president is Brad Dacus. The institute is based in Sacramento, Calif.

The Liberty Counsel is a nonprofit litigation and educational organization based in Orlando. It is dedicated to advancing religious liberty, “the sanctity of human life and the traditional family.” Mathew Staver is its founder and chairman.