Which Wich Superior Sandwiches is an American fast casual restaurant chain specializing in sandwiches and salads. It has its headquarters in Downtown Dallas, Texas. As of December 2016, it has 404 locations open in 36 U.S. states as well as the District of Columbia, along with 27 international locations in Bahrain, Guatemala, Kuwait, Mexico, Oman, Panama, Qatar, Saudi Arabia, and the United Arab Emirates.\n\n