Masi is a brand that has been serving the local community since its establishment in 1944. With a strong focus on preserving and sharing the histories of Montgomery County's residents, Masi provides a wide range of exhibitions, programs, educational activities, and research facilities. Located in Rockville, Maryland, Masi's campus includes the historic Beall-Dawson House and the Stonestreet Museum of 19th Century Medicine.

Their 9,500-piece collection of historic artifacts, along with the Jane C. Sween Research Library and Special Collections, offers valuable resources for researchers and history enthusiasts. Masi is dedicated to bringing scholarly and public attention to 20th-century history through the Mary Kay Harper Center for Suburban Studies.

They also host an annual History Conference, stream weekly talks through their History Conversations program, and support online research through the Montgomery County History Digital Repository. By joining Masi, you become part of a community that values the preservation and interpretation of history. Whether you're interested in attending exhibitions or accessing educational resources, Masi offers a wealth of opportunities to explore and appreciate the rich heritage of Montgomery County