- American Association for State and Local History
 - Provides leadership, service, and support for its members, who preserve and interpret state and local history in order to make the past more meaningful in American Society. - Organization of American Historians
- Dedicated to the teaching and study of American history.
- American Printing History Association (APHA)
- Devoted to the study of printing history and its related arts including calligraphy, typefounding, typography, and more.
- American Cultural Resources Association
- Trade association for cultural resource consultants specializing in archaeology, history, and historic preservation.
- Society for the Preservation of New England Antiquities
- Museum of cultural history that collects and preserves buildings, landscapes, and objects dating from the seventeenth century to the present.
- George C. Marshall Foundation
- Includes research library and archives for the study of 20th century American military and diplomatic history, and international political and economic affairs.
- National Council on Public History (NCPH)
- Works to advance the professionalism of public history and to advocate enhanced public and governmental support for historical programs.
- Friends of Franklin, Inc.
- International association promoting the fellowship, learning, and spirit of Benjamin Franklin. Includes the Franklin Gazette and upcoming events.
- Historic Houston
- Dedicated to actively promoting the city's historical resources and neighbourhoods.
- Boston History Collaborative
- Partnership working to help spearhead a new model for how Boston presents its rich history to visitors and residents.
- Portugese-American Historical Research Foundation, Inc.
- Dedicated to early Portuguese American history and culture.
- Omohundro Institute of Early American History and Culture (OIEAHC)@
- Associated Daughters of Early American Witches
- National society for daughters with proven descent from someone who was accused, tried or executed for witchery in American colonies prior to 31 December 1699.
- Tahoe Heritage Foundation
- Helping preserve and protect the heritage resources of the Lake Tahoe Basin through restoration, interpretation, and education.
- American Historical Association (1)
- Eastland Memorial Society
- Dedicated to the memory of the Eastland Disaster that occurred on July 24, 1915 on the Chicago River, claiming the lives of 844 passengers.
- West Central Minnesota Historical Center (WCHRC)
- Also home of the University of Minnesota Morris Archives.
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