World Council of Churches
The WCC, founded in 1948 and based in Geneva, Switzerland, represents about 400 million Christians belonging to more than 340 churches, denominations and fellowships in 120 countries and territories throughout the world. These churches are committed to “encounter, dialogue and collaboration,” the visible unity of the church for which Jesus prayed, and a common calling for the whole world to be “one human family in justice and peace.”

World Council of Churches-Share the Ecumenical Prayer Cycle
The Ecumenical Prayer Cycle belongs to the ecumenical movement at large.
Please feel free to include the Ecumenical Prayer Cycle on your website or on your blog. There are different ways to do so. All the snippets provided here will connect your web page to the one of the World Council of Churches, ensuring that the content is updated every week.

National Council of Churches
The National Council of Churches, founded in 1950, is the leading force for ecumenical cooperation among Christians in the United States. The NCC's 36 Protestant, Anglican and Orthodox member denominations include more than 50 million persons in 140,000 local congregations in communities across the nation.

Churches Uniting in Christ (CUIC)
On January 20, 2002, nine Protestant churches (formerly members of the Consultation on Church Union - COCU) inaugurated a new relationship to be known as Churches Uniting in Christ (CUIC). While each communion retains its own identity and decision-making structures, they also have pledged before God to draw closer in sacred things - including regular sharing of the Lord's Supper and common mission, especially a mission to combat racism together.

Call to Renewal
Call to Renewal is a national network of churches, faith-based organizations, and individuals working to overcome poverty in America. Through local, regional and national partnerships with groups from across the theological and political spectrum, we convene the broadest table of Christians focused on anti-poverty efforts. Together we work to influence local, state and national public policies and priorities, while growing and developing a movement of Christians committed to overcoming poverty.

• Graymoor Ecumenical and Interreligious Institute
  Founded by the Franciscan Friars of the Atonement
  
  
• Community of Sant’Egidio
  A Roman Catholic lay movement with over 40,000 members throughout the world, dedicated to prayer, communicating the gospel, solidarity with the poor, ecumenism, and dialogue. The Community was founded in 1968, after the Second Vatican Council, and is based in Rome.
  
  
• Bossey Ecumenical Institute
  This WCC ecumenical institute, located outside Geneva, Switzerland, has trained lay and clergy ecumenical leaders through seminars, conferences and the Graduate School of Ecumenical Studies since 1946.
  
  
• Taize Community
  Taizé, in south France, is home to an international, ecumenical community, founded in 1940 by Brother Roger. The brothers are committed for their whole life to material and spiritual sharing, to celibacy, and to simplicity of life. Today, there are over a hundred brothers, Catholic &Protestant, from more than 25 nations. At the heart of life in Taizé are three daily times of prayer. Thousands of young adults from many countries come to Taizé for weekly meetings of prayer and reflection.
  
  
• Anglican Lutheran Society, USA
  Founded in England some years ago, this organization is relatively new in the United States. Based in Austin, TX, the group envisions its website as a meeting place for Lutherans and Anglicans of all stripes. Further, the website includes forums for "grass-roots" discussions of theological issues, mission work, youth ministry, and other issues the individual respondents wish to engage.
  
  
• American Friends of the Anglican Center in Rome
  The American Friends work to support the Anglican Communion's presence near the Vatican, and the ongoing relationship and dialogue between the Roman and Anglican Churches. They also promote education and awareness of the need for ecumenism.