Mrs. T's Pierogies is a mass market brand of pierogi in the United States. It is a product of Ateeco, Inc., based in Shenandoah, Pennsylvania.
The company was founded in 1952 by Ted Twardzik (1927âÂÂ2016). It manufactures fourteen varieties of pierogi and produces more than 500 million pierogi per year. In the full-sized line, the varieties include: 4 Cheese Medley, 5 Cheese Pizza, American Cheese, Broccoli & Aged Cheddar, Classic Cheddar, Classic Onion, Feta & Spinach, Garlic & Parmesan, Jalapeño & Sharp Cheddar, Loaded Baked Potato, Savory 5 Cheese Blend, Sour Cream and Chive, and Traditional Sauerkraut.
The company sponsors the Great Pierogi Race at home games of the Pittsburgh Pirates.