Midwest Archaeological Research Services Inc. is a woman-owned, small business that conducts archaeological, historical, architectural, and archival investigations within the midwestern United States. The company has completed cultural resource overviews, management plans, surveys, testing, and mitigation projects on both prehistoric and historic sites in the region since 1986. Based in Marengo, Illinois, MARS Inc. provides governmental agencies and private companies with the information necessary to comply with federal and state historic preservation regulations and maintains an active research interest in the eastern United States. All work performed by MARS Inc. complies with the Secretary of the Interior’s Standards and Guidelines: Archaeology and Historic Preservation. The July 2014 field school conducted by MARS Inc. combined people from McHenry County College, William Rainey Harper College, and Elgin Community College in work along the Rock River at the Macktown National Historic Site in the Macktown Forest Preserve, just south of Rockton, Illinois. Learn more about MARS Inc. at http://midwestarch.net/index.html.