- Adventist
- Advent Christian Church
- Church of God General Conference
- Seventh-Day Adventist
- Amana Church Society
- American Evangelical Christian Churches
- Apostolic Christian Church (Nazarene)
- Apostolic Christian Church of America
- Apostolic Faith Mission of Portland, Oregon
- Apostolic Overcoming Holy Church of God
- Armenian Church
- Baptist
- American Baptist Association
- American Baptist Churches/U.S.A.
- Baptist Bible Fellowship, International
- Baptist General Conference
- Baptist Missionary Association of America
- Bethel Ministerial Association
- Central Baptist Association
- Conservation Baptist Association of America
- Duck River (and Kindred) Associations of Baptists (Baptist Church of Christ)
- Free Will Baptist
- General Association of Regular Baptist Churches
- General Baptist
- General Conference of the Evangelical Baptist Church, Inc.
- Landmark Baptist
- National Baptist Convention of America, Inc.
- National Baptist Convention, U.S.A., Inc.
- National Missionary Baptist Convention of America
- National Primitive Baptist Convention of the U.S.A.
- North American Baptist Conference
- Primitive Baptist
- Progressive National Baptist Convention, Inc.
- Reformed Baptist
- Separate Baptists in Christ (General Association of Separate Baptists)
- Seventh Day Baptist General Conference
- Southern Baptist Convention
- United Baptist
- United Free Will Baptist
- Berean Fundamental Church
- Bible Fellowship Church
- Bible Protestant Church
- Bible Way Church, Worldwide
- Branch Davidians
- Brethren
- Brethren Church (Ashland)
- Brethren in Christ Church
- Church of the Brethren
- Church of the United Brethren in Christ
- Fellowship of Grace Brethren Churches
- Old German Baptist Brethren
- United Zion Church
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- Christadelphian
- Christian and Missionary Alliance
- Christian Catholic Church
- Christian Church (Stone-Campbell Movement)
- Christian Church (Disciples of Christ)
- Christian Churches and Churches of Christ
- Churches of Christ
- Christian Church of North America, General Council
- Christian Congregation, Inc.
- Christian Union
- Church of Christ (Holiness) U.S.A.
- Church of Christ, Scientist
- Church of God
- Church of God (Huntsville, Alabama)
- Church of God (Original)
- Church of God (Anderson, Indiana)
- Church of God (Cleveland, Tennessee)
- Church of God (Seventh Day)
- Church of God and Saints of Christ
- Church of God by Faith, Inc.
- Church of God in Christ
- Church of God in Christ (International)
- Church of God of Prophecy
- Church of God, Holiness
- Church of Jesus Christ
- Church of Our Lord Jesus Christ of the Apostolic Faith, Inc.
- Church of Nazarene
- Churches of Christ in Chistian Union
- Churches of God, General Conference
- Churches of Illumination
- Churches of the Living God
- Community Churches, International Council of
- Congregational Bible Churches, Inc.
- Congregational Christian Churches (National Association)
- Congregational Holiness Church
- Conservative Congregational Christian Conference
- Episcopal/Anglican
- African Orthodox Church
- Anglican Orthodox Church
- Episcopal Church
- Reformed Episcopal Church
- Evangelical Church
- Evangelical Congregational Church
- Evangelical Covenant Church
- Evangelical Free Church of America
- Foursquare Gospel, International Church of the
- Friends (Quaker)
- Friends General Conference
- Friends United Meeting (Five Years Meeting)
- Religious Society of Friends (Conservative)
- Grace Gospel Fellowship
- Independent Fundamental Churches of America
- Jehovah's Witnesses
- Latter-Day Saints (Mormon)
- Church of Christ (Temple Lot)
- Church of Jesus Christ (Bickertonites)
- Church of Jesus Christ of Latter-Day Saints
- Church of Jesus Christ of Latter-Day Saints (Strangite)
- Reorganized Church of Jesus Christ of Latter-Day Saints
- Lutheran
- American Luthern Church
- Apostolic Lutheran Church of America
- Church of the Lutheran Brethern
- Church of the Lutheran Confession
- Evangelical Lutheran Church in America
- Evangelical Lutheran Synod
- Free Lutheran Congregations, The Asssociation of
- Lutheran Church - Missouri Synod
- Lutheran Church in America
- Protestant Conference (Lutheran)
- Wisconsin Evangelical Lutheran Synod
- Mennonite
- Beachy Amish Mennonite Churches
- Church of God in Christ, Mennonite
- Conservative Mennonite Conference
- Evangelical Mennonite Church
- Fellowship of Evangelical Bible Churches
- General Conference Mennonite Church
- Hutterian Brethren
- Mennonite Brethren Churches, General Conference
- Mennonite Church
- Old Order Amish Church
- Old Order (Wisler) Mennonite Church
- Reformed Mennonite Church
- Unaffiliated Mennonite
- Methodist
- African Methodist Episcopal Church
- African Methodist Episcopal Zion Church
- Christian Methodist Episcopal Church
- Congregational Methodist Church
- Evangelical Methodist Church
- Free Methodist Church of North America
- Primitive Methodist Church, U.S.A.
- Reformed Methodist Union Episcopal Church
- Southern Methodist Church
- Union American Methodist Episcopal Church
- United Methodist Church
- Metropolitan Community Churches, Universal Fellowship of
- Missionary Church
- Moravian
- Moravian Church (Unitas Fratrum)
- Unity of the Brethren
- Native American Church
- New Apostolic Church of North America
- Old Catholic
- Liberal Catholic Church
- Mariavite Old Catholic Church
- North American Old Roman Catholic Church
- Old Roman Catholic Church (English Rite)
- Polish National Catholic Church of America
- Open Bible Standard Churches
- Orthodox (Eastern)
- Albanian Orthodox Archdiocese in America
- American Carpatho-Russian Orthodox Greek Catholic Church
- Antiochian Orthodox Christian Archdiocese of North America
- Bulgarian Eastern Orthodox Church
- Greek Orthodox Archdiocese of North and South America
- Romanian Orthodox Episcopate of America
- Russian Orthodox Church
- Serbian Eastern Orthodox Church in the U.S.A. and Canada
- The Ukrainian Orthodox Church of the U.S.A.
- Pentecostal
- Assemblies of God, General Council of
- Elim Fellowship
- Independent Assemblies of God, International
- International Pentecostal Church of Christ
- Pentecostal Assemblies of the World, Inc.
- Pentecostal Church of God
- Pentecostal Free-Will Baptist Church, Inc.
- Pentecostal Holiness Church, International
- United Pentecostal Church, International
- Pillar of Fire
- Plymouth Brethren
- Presbyterian
- Associate Reformed Presbyterian Church
- Bible Presbyterian Church
- Cumberland Presbyterian Church
- Evangelical Presbyterian Church
- Orthodox Presbyterian Church
- Presbyterian Church in America
- Presbyterian Church (U.S.A.)
- Reformed Presbyterian Church of North America
- Second Cumberland Presbyterian Church in the United States
- Reformed
- Christian Reformed Church in North America
- Hungarian Reformed Church in America
- Netherlands Reformed Congregations
- Protestant Reformed Churches in America
- Reformed Church in America
- Reformed Church in the United States
- Roman Catholic Church
- Salvation Army
- Schwenkfelder Church
- Social Brethren
- Spiritualist
- National Spiritual Alliance of the U.S.A.
- National Spiritualist Association of Churches
- Swedenborgian Church, General Convention of
- Triumph the Church and Kingdom of God in Christ (Interonational)
- United Church of Christ
- United Holy Church of America, Inc.
- Unity School of Christianity
- Wesleyan Church
- Worldwide Church of God
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