Evangelical Theological Society is a professional, academic society of Biblical scholars, teachers, pastors, students, and others involved in evangelical scholarship. 

The Center for the Study of Global Christianity by the Gordon-Conwell Theological Seminary is a research organization dedicated to analyzing data on church membership, evangelistic activities and other nondenominational, Christian-related practices around the world. Todd Johnson is executive director.

Stephen Bullivant directs the Benedict XVI Centre for Religion and Society at St. Mary’s University in London, where he also teaches the theology and sociology of religion. He previously served as co-director of the international Nonreligion and Secularity Research Network.

Josh McDowell Ministry, located in Dallas, Tx., is an organization dedicated to spreading the word of Christ to students, parents, leaders and churches everywhere through educational resources. Their website offers a list of research organizations.

Calvary Chapel provides resources “that will bless and build up the body of Christ.” 

Bible League is an organization designed to train and equip faith leaders and ministries with the tools and resources they need to provide communities with a religious education and understanding of the Christian faith.

Aglow International  is a global organization “with a single purpose: to see God’s will be done on earth as it is in heaven through prayer, local groups, events and outreaches.” Contact through the website.

Cru (the Campus Crusade for Christ) is an interdenominational Christian organization that promotes evangelism and discipleship in more than 190 countries around the world.

Christian Cowboys and Friends is a Christian, non-denominational and inter-denominational ministry with an evangelistic outreach at Rodeos and Cowboy Churches.