The Calvert County Historical Society recognizes the generous support of the following local businesses and groups:
Brothers’ Johnson, Inc., Maryland tri-counties
Calvert Soil Conservation District, Prince Frederick, MD
Community Bank of the Chesapeake, Prince Frederick, MD
RE/MAX ONE, Prince Frederick, MD
Maryland Trust, Title & Escrow, LLC, Prince Frederick, MD
Davis, Upton & Palumbo, LLC, Prince Frederick, MD
The Chesapeekers Chapter of Questers, a nonprofit organization dedicated to the study, conservation and preservation of historical objects for the benefit of today and tomorrow. Members seek to identify preservation and restoration of existing landmarks as well to educate through the research and study of antiques.