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 more than 700 locations in the United States (Arizona, New Mexico, Texas, Oklahoma, Louisiana, Arkansas, Mississippi, Alabama, Florida and Georgia). Operations in Mexico have currently been suspended. The corporate headquarters is in Corpus Christi, Texas. The datacenter that hosts its sites and information is located in Austin.Whataburger was known for its distinctive A-framed, orange-and-white striped roofed buildings (newer buildings are built similar to other fast-food chains, though the roof is built in the orange-and-white triangular shape). The first A-frame restaurant, which is still standing, was built in Odessa, Texas. There are currently over a dozen of these type restaurants still in operation.Aside from the classic Whataburger, other menu items include the Whataburger Jr. (a smaller version of the Whataburger), the Justaburger (a Whataburger Jr. with only mustard, pickles, and onions), the Whatacatch fish sandwich, Whatachick'n, breakfast sandwiches and taquitos. Whataburger's breakfast menu is served from 11:00 p.m. through 11:00 a.m. each day, a wider window than most other fast-food restaurants, and all regular menu items are still available during breakfast service.