Mainline denominations typically emphasize a proactive view on issues of social and economic justice and a tolerance of varied individual beliefs. While mainline Protestantism is usually seen as more theologically and socially liberal than evangelical Protestantism, there is obviously variation among mainline denominations, congregations, and individuals.
- American Baptist Churches/USA
- Methodist - Other
- United Methodist Church
- Latvian Evangelical Lutheran Church
- Evangelical Lutheran Church in America
- Presbyterian Church (USA)
- Reformed Church in America
- United Church of Christ
- Episcopal Church
- Christian Church (Disciples of Christ)
- International Council Community Churches
- Friends (Quakers)
- Metropolitan Community Churches
- Moravian Church in America