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National Trust for Historic Preservation

The National Trust for Historic Preservation is a privately funded non-profit organization that works to preserve buildings and other structures of architectural or historical significance.                             


Lancaster Conservancy

The Lancaster Conservancy is a non-profit organization whose purpose is to preserve significant natural areas for public recreation and education.


Historic Preservation Trust

The Historic Preservation Trust of Lancaster County’s mission is to encourage and facilitate the preservation of historically significant structures in Lancaster County.                                                                                       



AIA PA promotes the profession of architecture throughout the Commonwealth of Pennsylvania.                                                                                     


AIA Central PA

The AIA Central PA is the local chapter of the American Institue of Architects serving the counties of Central PA.