The following list is not a complete list of Atlantic Coast congregations, but it represents those congregations for which archival collections exist. Some congregations listed below are no longer part of the Atlantic Coast Conference of the Mennonite Church.

Akron
Andrews Bridge Christian Fellowship (formerly Bart Ministries; formerly Lancaster Conference)
Ark Bible Chapel

Bart
Bethany Grace Fellowship (formerly Bethany)
Bethel
Birch Grove
Black Oak

Caln Fellowship
Cedar Grove
Christiana
Community Mennonite Church of Lancaster
Conestoga

Faith (Oxford, N.J.)
Forest Hills (formerly Monterey)
Friendship Community

Good Shepherd Community

Hebron
Holly Grove
Hope Community Church (Fleetwood, Pa.)
Hopewell Mennonite?Reading
Hopewell-Elverson (formerly Rock)
Hopewell-Paoli

Immanuel Community

Maple Grove
Media

Neffsville
New Life Christian Fellowship
North Baltimore
North Side

Ocean City Mennonite Christian Fellowship
Oley

Penn-Mar District Collection
Petra Christian Fellowship
Providence

Quarryville Community Fellowship (formerly Bart Ministries)

Ridgeview
Rockville

Sandy Hill
Spring City

Wesley Chapel
White Schoolhouse

Zion (Birdsboro, Pa.)
Zion (York, Pa.)

The following list is not a complete list of Atlantic Coast congregations, but it represents those congregations for which archival collections exist. Some congregations listed below are no longer part of the Atlantic Coast Conference of the Mennonite Church.

Coastal and Mountain

Birch Grove
Holly Grove
Ocean City Mennonite Christian Fellowship

Conestoga

Ark Bible Chapel
Conestoga
Oley
Rockville
White Schoolhouse
Zion (Birdsboro, Pa.)

Hopewell

Good Shepherd Community
Hopewell-Elverson (formerly Rock)
Hopewell-Paoli
New Life Christian Fellowship
Petra Christian Fellowship
Spring City

Lancaster

Akron
Bethany Grace Fellowship (formerly Bethany)
Community Mennonite Church of Lancaster
Forest Hills (formerly Monterey)
Neffsville

Maple Grove

Andrews Bridge Christian Fellowship (formerly Bart Ministries; formerly Lancaster Conference)
Bart
Caln Fellowship
Christiana
Maple Grove
Media
Quarryville Community Fellowship (formerly Bart Ministries)
Ridgeview
Sandy Hill
Wesley Chapel

New York

Friendship Community
Immanuel Community

Penn-Mar

District Collection
Bethel
Black Oak
Cedar Grove
Hebron
North Baltimore
North Side
Zion (York, Pa.)

Southern

Providence

Conference Moderator Oversight

Hope Community Church (Fleetwood, Pa.)
Hopewell Mennonite-Reading

Unassigned District

Faith (Oxford, N.J.)