Newsretailers Weis Markets To Purchase 5 Mars Supermarket Stores by Katie Lee May 25, 2016 Sunbury, Pa. — Weis Markets has entered into an agreement with Mars Super Markets, Inc. to purchase five Mars stores in Baltimore County, Md., including two in Dundalk and individual units in Essex, Arbutus and Carney. Continue Reading May 25, 2016 0 FacebookTwitterPinterestEmail