Potbelly Corp is a Chicago-based company known for its cozy sandwich shops spread across the United States. Founded in 1977, Potbelly started as a small antique store that served sandwiches to its customers, eventually growing into a beloved chain. The company, which once went by Potbelly Sandwich Works, Inc., focuses on offering a unique atmosphere alongside a menu of toasty sandwiches, soups, and salads. Potbelly not only operates its own locations but also franchises, bringing its signature vibe and food to more people.