100% pure ground beef. US inspected and passed by Department of Agriculture. www.glenmarkfoods.com. www.tastechicagosbest.com. Easy Cooking Glenmark Pure Beef Burgers: The secret of the great taste of Glenmark Beef Burgers is to cook them straight from the freezer. Glenmark's own special quick-freeze process seals in the natural beef juices and then slowly releases them during cooking. And because you don't have to thaw Glenmark Burgers, they're always ready to cook and serve. Our Pledge to You: If for any reason you do not find this product satisfactory, please contact Sonia at: Best Chicago Meat Co, LLC, Chicago, IL 60639. Proudly made in Chicago.