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- U.S. Denominations
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Adventist Family
- Advent Christian Church
- Church of God (Seventh Day), Denver, Colorado
- Church of God (Seventh-Day, Salem, West Virginia)
- Church of God General Conference (Oregon, IL and Morrow, GA)
- Jehovah's Witnesses
- Life and Advent Union
- Primitive Advent Christian Church
- Seventh-Day Adventist Church
- United Seventh-Day Brethren
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Baptist Family
- Alliance of Baptists in the USA
- American Baptist Association
- American Baptist Churches in the U.S.A.
- Baptist Bible Fellowship International
- Baptist General Conference
- Baptist Missionary Association of America
- Christian Church (Disciples of Christ)
- Christian Churches and Churches of Christ
- Christian Congregation, Inc., The
- Christian Unity Baptist Association
- Churches of Christ
- Conservative Baptist Association of America (CBAmerica)
- Duck River (and Kindred) Association of Baptists
- General Association of General Baptists
- General Association of Regular Baptist Churches
- General Six-Principle Baptists
- Independent Baptist Church of America
- Liberty Baptist Fellowship
- National Association of Free Will Baptists
- National Baptist Convention of America
- National Baptist Convention, U.S.A., Inc.
- National Baptist Evangelical Life and Soul Saving Assembly of U.S.A.
- National Missionary Baptist Convention of America
- National Primitive Baptist Convention, Inc.
- North American Baptist Conference
- Progressive National Baptist Convention, Inc.
- Regular Baptists
- Separate Baptists in Christ, General Association of
- Seventh Day Baptist General Conference of the United States and Canada
- Seventh Day Baptists (German)
- Southern Baptist Convention
- Sovereign Grace Believers
- United Baptists
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Eastern Liturgical Family (Orthodox)
- African Orthodox Church
- Albanian Orthodox Archdiocese in America
- Albanian Orthodox Diocese of America
- American Carpatho-Russian Orthodox Greek Catholic Church
- Antiochian Orthodox Christian Archdiocese of North America
- Apostolic Catholic Assyrian Church of the East, North American Diocese
- Apostolic Orthodox Catholic Church of North America
- Armenian Apostolic Church of America
- Armenian Apostolic Church, Diocese of America
- Coptic Orthodox Church
- Eastern Orthodox Catholic Church in America
- Greek Orthodox Archdiocese of America
- Holy Eastern Orthodox Catholic and Apostolic Church in North America
- Holy Orthodox Church in America (Eastern Catholic and Apostolic)
- Holy Ukrainian Autocephalic Orthodox Church in Exile
- Malankara Orthodox Syrian Church, Diocese of America
- Old Catholic Archdiocese for the Americas and Europe
- Orthodox Church in America, The
- Patriarchal Parishes of the Russian Orthodox Church in the U.S.A.
- Romanian Orthodox Episcopate of America
- Russian Orthodox Church Outside of Russia, The
- Syrian Orthodox Church of Antioch (Jacobite)
- Syro-Russian Orthodox Catholic Church
- True Orthodox Church of Greece (Synod of Metropolitan Cyprian), American Exarchate
- Turkish Orthodox Church in America
- Ukrainian Orthodox Church of America
- Ukrainian Orthodox Church of the U.S.A.
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European Free-Church Family (Brethren, Mennonites, Quakers, Amish)
- Apostolic Christian Church (Nazarene)
- Apostolic Christian Churches of America
- Beachy Amish Mennonite Churches
- Brethren Church (Ashland, Ohio)
- Brethren in Christ Church
- Church of God in Christ, Mennonite
- Church of the Brethren
- Conservative Mennonite Conference
- Evangelical Friends Alliance
- Evangelical Friends Church, Eastern Division
- Evangelical Friends International
- Fellowship of Evangelical Bible Churches
- Fellowship of Evangelical Churches
- Fellowship of Grace Brethren Churches
- Friends General Conference
- Friends United Meeting
- General Conference Mennonite Church
- Mennonite Brethren Church of North America (Bruedergemeinde)
- Mennonite Brethren Churches, U.S. Conference of
- Mennonite Church USA
- Northwest Yearly Meeting of Friends Church
- Old German Baptist Brethren Church
- Old Order (Wisler) Mennonite Church
- Old Order Amish Mennonite Church
- Old Order Yorker River Brethren
- Pacific Yearly Meeting of Friends
- Reformed Mennonite Church
- Rocky Mountain Yearly Meeting of the Friends Church
- Schwenkfelder Church in America
- Stauffer Mennonite Church
- United Zion Church
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Holiness Family
- American Rescue Workers
- Bible Fellowship Church
- Christian and Missionary Alliance
- Christian Nation Church U.S.A.
- Church of Christ (Holiness) USA
- Church of God (Anderson, Indiana)
- Church of God (Which He Purchased With His Own Blood)
- Church of the Gospel
- Church of the Nazarene
- Churches of Christ in Christian Union
- Churches of God, Holiness
- Evangelical Church of North America
- Fire Baptized Holiness Church (Wesleyan)
- Free Methodist Church of North America
- Gospel Mission Corps
- Holiness Methodist Church
- Kodesh Church of Emmanuel
- Lumber River Annual Conference of the Holiness Methodist Church
- Metropolitan Church Association
- Missionary Church, The
- Pillar of Fire
- Reformed Methodist Church
- Salvation Army
- Triumph the Church and Kingdom of God in Christ
- Volunteers of America
- Wesleyan Church
- Wesleyan Holiness Association of Churches
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Lutheran Family
- American Association of Lutheran Churches
- American Lutheran Conference
- Apostolic Lutheran Church of America
- Association of Evangelical Lutheran Churches
- Association of Free Lutheran Congregations
- Augustana Synod
- Church of the Lutheran Brethren of America
- Church of the Lutheran Confession
- Conservative Lutheran Association
- Estonian Evangelical Lutheran Church, The
- Evangelical Lutheran Church in America
- Evangelical Lutheran Synod
- Finnish Evangelical Lutheran Church (Suomi Synod)
- Latvian Evangelical Lutheran Church in America
- Lutheran Church-Missouri Synod (LCMS)
- Lutheran Synodical Conference
- National Evangelical Lutheran Church (Finnish)
- Protes'tant Conference, The
- Slovak Evangelical Lutheran Synod of the United States of America
- Synod of Evangelical Lutheran Churches
- United Lutheran Church in America
- Wisconsin Evangelical Lutheran Synod
- World Confessional Lutheran Association
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Methodist/Pietist Family
- African Methodist Episcopal Church
- African Methodist Episcopal Zion Church
- African Union First Colored Methodist Protestant Church
- Allegheny Wesleyan Methodist Connection (Original Allegheny Conference)
- Christian Methodist Episcopal Church
- Church of Daniel's Band
- Church of the United Brethren in Christ
- Congregational Methodist Church
- Evangelical Congregational Church
- Evangelical Covenant Church
- Evangelical Free Church of America
- Evangelical Methodist Church
- Fellowship of Fundamental Bible Churches
- First Congregational Methodist Church of the U.S.A.
- Free Christian Zion Church of Christ
- Methodist Church (1939-1968)
- Missionary Bands of the World
- Moravian Church in America (Unitas Fratrum)
- Moravian Church in America (Unitas Fratrum), Northern Province
- Moravian Church in America (Unitas Fratrum), Southern Province
- New Congregational Methodist Church
- Primitive Methodist Church in the U.S.A.
- Reformed Methodist Union Episcopal Church
- Reformed Zion Union Apostolic Church
- Southern Methodist Church
- Union American Methodist Episcopal Church
- United Brethren in Christ
- United Christian Church
- United Methodist Church
- United Wesleyan Methodist Church of America
- Unity of the Brethren
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Other Groups
- Baha'i Faith
- Buddhist Churches of America
- Christ Community Church (Evangelical-Protestant)
- Christian Union
- Church of Illumination
- Church of Revelation
- Liberal Catholic Church (International)
- Liberal Catholic Church, Province of the United States of America
- National Organization of the New Apostolic Church of North America
- Rosicrucian Fellowship
- Social Brethren
- Theosophical Society in America
- Universal Fellowship of Metropolitan Community Churches
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Pentecostal Family
- (Original) Church of God
- Apostolic Faith Mission Church of God
- Apostolic Faith Mission of Portland, Oregon
- Apostolic Overcoming Holy Church of God
- Assemblies of God International Fellowship (Independent/Not Affiliated)
- Assemblies of God, General Council of the
- Association of Vineyard Churches
- Bethel Ministerial Association
- Bible Church of Christ
- Bible Way Church of Our Lord Jesus Christ World Wide, Inc.
- Calvary Pentecostal Church, Inc
- Church of God (Apostolic)
- Church of God (Cleveland, Tennessee)
- 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, Mountain Assembly, Inc.
- Church of our Lord Jesus Christ of the Apostolic Faith, Inc.
- Church of the Living God (Christian Workers for Fellowship)
- Church of the Living God, the Pillar and Ground of the Truth
- Congregational Holiness Church
- Elim Fellowship
- Emmanuel Holiness Church
- Evangelistic Church of God
- Free Church of God in Christ
- Full Gospel Assemblies International
- Full Gospel Fellowship of Churches and Ministers International
- General Conference of the Evangelical Baptist Church, Inc.
- Holiness Church of God
- House of God Which is the Church of the Living God, the Pillar and Ground of the Truth
- House of God Which is the Church of the Living God, the Pillar and Ground of the Truth Without Controversy (Keith Dominion)
- International Church of the Foursquare Gospel
- International Pentecostal Church of Christ
- International Pentecostal Holiness Church
- Latter House of the Lord for All People and the Church of the Mountain, Apostolic Faith
- Mount Sinai Holy Church of God
- Open Bible Standard Churches, Inc.
- Pentecostal Assemblies of Jesus Christ Inc.
- Pentecostal Assemblies of the World
- Pentecostal Church of God
- Pentecostal Fire-Baptized Holiness Church
- Pentecostal Free Will Baptist Church, Inc.
- United Holy Church of America
- United House of Prayer for All People
- United Pentecostal Church International
- United Pentecostal Churches of Christ
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Presbyterian-Reformed Family
- (German) Reformed Church in the United States
- Associate Reformed Presbyterian Church (General Synod)
- Bible Presbyterian Church
- Christian Reformed Church in North America
- Churches of God, General Conference
- Conservative Congregational Christian Conference
- Cumberland Presbyterian Church
- Cumberland Presbyterian Church in America
- Evangelical Presbyterian Church
- Evangelical Presbyterian Church (1981)
- General Assembly of the Korean Presbyterian Church in America
- Hungarian Reformed Church in America
- International Council of Community Churches
- National Association of Congregational Christian Churches
- Netherlands Reformed Congregations
- Orthodox Presbyterian Church
- Presbyterian Church (U.S.A.)
- Presbyterian Church in America
- Presbyterian Church in the U.S.A.
- Presbyterian Church in the United States
- Protestant Reformed Churches in America
- Reformed Church in America
- Reformed Church in the United States
- Reformed Presbyterian Church of North America
- Reformed Presbyterian Church, Evangelical Synod
- United Church of Christ
- United Presbyterian Church in the U.S.A.
