Potbelly Corporation, through its subsidiaries, owns, operates, and franchises Potbelly sandwich shops in the United States. The company offers toasty warm sandwiches, salads, soups, chili, sides, desserts, breakfast sandwiches, and steel cut oatmeal. As of December 27, 2020, the company operated approximately 400 shops and 46 franchisees operated shops in the United States. The company was formerly known as Potbelly Sandwich Works, Inc. and changed its name to Potbelly Corporation in 2002. Potbelly Corporation was founded in 1977 and is headquartered in Chicago, Illinois.