The Heritage Documentation Programs are supported by many organizations in both the public and private sectors. Below are links to several of the partners who assist us in our documentation efforts.

• Library of Congress
• National Archives and Records Administration
• National Conference of State Historic Preservation Officers
• US-ICOMOS (U.S. National Committee of the International Council on Monuments and Sites)

HABS Partners

• American Institute of Architects
• Athenaeum of Philadelphia
• Society of Architectural Historians

HAER Partners

• American Institute of Chemical Engineers
• American Institute of Mining, Metallurgical, and Petroleum Engineers
• American Society of Civil Engineers
• American Society of Mechanical Engineers
• Institute of Electrical and Electronic Engineers
• Society for Industrial Archeology

HALS Partners

• American Society of Landscape Architects