Repent America is a Philadelphia-based evangelistic organization that works against homosexuality, abortion and evolution.

Janet Porter is the president and founder of Faith2Action, a Christian advocacy group that works to influence politics and legislation. The group is based in Dania Beach, Fla.

Advance USA promotes Judeo-Christian religious values. It is based in Independence, Mo., and maintains a Washington, D.C. office.

The Unitarian Universalist Association of Congregations works to connect individual congregations with others across the U.S. Contact the executive assistant for the office of the president, Stephanie Carey Maron.

The International Association of Chiefs of Police is a professional organization of law enforcement personnel that works to confront new challenges in policing and promote member success. Contact Sarah Guy, the manager of legislative and media affairs.

The Vera Institute of Justice works to improve justice services and systems through research and projects. Nicholas Turner is the president and director.

The Southern Poverty Law Center is a civil rights legal advocacy group based in Montgomery, Ala. Email through the website.

Partners Against Hate works to educate young people about hate and hate crimes. It is based in Washington, D.C. Contact 202-452-8310.

The National Coalition of Anti-Violence Programs tracks incidents of violence and harassment against LGBT people. Clarence Patton is acting executive director.