High Quality Content by WIKIPEDIA articles! Whataburger is a privately held, regional fast food restaurant specializing in hamburgers. The company, established by Harmon Dobson, opened its first restaurant in Corpus Christi, Texas on August 8, 1950. By 1960 the chain had grown to 17 locations in Texas, Tennessee and Florida. Today, Whataburger Restaurants, LP is still owned and operated by the Dobson family and has nearly 700 locations in the United States (Texas, Arizona, New Mexico, Oklahoma, Louisiana, Arkansas, Mississippi, Alabama, Florida, and Georgia). Operations in Mexico have currently been suspended. The corporate headquarters was in Corpus Christi, Texas until a move to San Antonio in 2009.