Weis Markets is a large regional grocery chain headquartered in Sunbury, PA. The more than 200 stores are located in 7 states ... - PA, MD, VA, DE, NJ, NY and WV. The company maintains a 1.5 million square foot warehouse facility in Milton, PA. Our 23,000+ employees come from across the world and diverse backgrounds, ready to serve the millions of customers who annually frequent our stores. read more