[company_age]28.0[/company_age][employees]5001-10000 employees[/employees][funding]post_ipo_debt[/funding][description]Potbelly Sandwich Works is a fast-casual restaurant chain specializing in toasted sandwiches, salads, soups, and milkshakes. Founded in 1977 in Chicago, Illinois, the company has grown to over 400 locations across the United States. Potbelly is known for its fresh ingredients, customizable sandwiches, and friendly atmosphere. The company's unique selling proposition is its focus on providing a high-quality, convenient dining experience at an affordable price. Potbelly's target market is primarily young adults and professionals who are looking for a quick and healthy meal option. The company's target clients include office workers, students, and families. Potbelly is a national business with a strong presence in major cities across the United States.[/description][ps]Toasted sandwiches, salads, soups, milkshakes[/ps]