Berks County Conservancy

Brandywine Conservancy

Chester County Historical Preservation Network, P.O.Box 216, Chatham, PA 19318

Heritage Conservancy (Doylestown)

Historic Bethlehem Partnership

Historic Harrisburg

Historic Preservation Trust of Lancaster County

Historic York, Inc.

Johnstown Area Heritage Association is a private not-for-profit organization which is dedicated to the preservation and interpretation of the cultural and material heritage of Johnstown, Pennsylvania.

Lower Merion Conservancy

Montgomery County Conservancy

Pittsburgh History & Landmarks Foundation is a non-profit historic preservation group serving Allegheny County.

Preservation Alliance for Greater Philadelphia. Philadelphia region's nonprofit historic preservation leader.

Westylvania Heritage Corporation serves a multi-county area in southwestern Pennsylvania.

Pennsylvania Heritage Parks Programs:

Allegheny Ridge Heritage Area

Delaware & Lehigh National Heritage Corridor

Endless Mountains Heritage Region

Lackawanna Heritage Valley

Lancaster-York Heritage Region

Lincoln Highway Heritage Corridor

Lumber Heritage Region

National Road Heritage Corridor

Oil Heritage Region

Pennsylvania Route 6 Heritage Corridor

Rivers of Steel Heritage Area

Schuylkill River Heritage Corridor