Maps and GPS directions to Sheets York and other Sheetz locations in the United States. Find your nearest Sheetz. Sheetz is is a chain of gas stations and convenience stores owned by the Sheetz family. It has grown from a small dairy/deli in Altoona, PA, to one of the fastest growing, family-owned convenience stores in the world, with more than 330 locations across six states — Pennsylvania, Maryland, Virginia, West Virginia, Ohio and North Carolina.