The following organizations currently participate in the Arms Transfer Working Group:
20/20 Vision
Institute for Policy Studies
American Baptist Churches, USA
Jesuit Refugee Service
Americans for Democratic Action
Lutheran Office for Governmental Affairs
American Friends Service Committee
Maryknoll Office for Global Concerns
Amnesty International USA
Mennonite Central Committee
Arms Control Association
National Security News Service
Asia Pacific Center for Justice and Peace
NETWORK: A National Catholic Social Justice Lobby
British American Security Information Council
Peace Action Education Fund
Church of the Brethren
Presbyterian Church, USA
Churches for Middle East Peace
Saferworld
Council for a Livable World
Unitarian Universalist Association
Center for International Policy/ Demilitarization for Democracy
U.S. Catholic Conference
East Timor Action Network
Veterans for Peace
Federation of American Scientists
Vietnam Veterans of America Foundation
Friends Committee on National Legislation
Women's Action for New Directions
Human Rights Watch
World Policy Institute