Weis Markets is a supermarket chain operating in the Mid-Atlantic region of the United States. It was founded in 1912 in Sunbury, Pennsylvania, and is now headquartered in Sunbury, Pennsylvania. Weis Markets operates more than 200 stores in Pennsylvania, Maryland, Delaware, New Jersey, New York, Virginia, and West Virginia.

The stores offer a wide range of products, including groceries, meat, dairy, produce, bakery items, deli items, frozen foods, and health and beauty products. Weis Markets also has a pharmacy department in many of its stores.

In addition to its retail stores, Weis Markets also operates a fuel center program that allows customers to earn discounts on gasoline purchases. The company also offers online shopping and delivery services through its website and mobile app.

Weis Markets is committed to sustainability and has implemented various initiatives to reduce its environmental footprint, including energy-efficient lighting, refrigeration systems, and waste reduction programs. The company also supports local communities through charitable giving and volunteerism.