In-N-Out Burger - Official site includes store locations, history, menus, and employment information. Wendy's - Operate a chain of 6,000 restaurants worldwide. Includes information on restaurants and menus, investor information, and company news. Whataburger - Texas and Southern US chain. Features locations, menu, and company information. White Castle - As the first hamburger chain, started in 1921. Includes restaurant locator, company history and recipes. Checkers Drive-In Restaurants - Double drive-thru, quick service, hamburger restaurants operating under the names "Checkers" and "Rally's Hamburgers". Locations primarily in the southeastern and mid-western United States. Jack in the Box - US fast food chain. Features menu, locations, and offers. Johnny Rockets - International chain. Locations, promotions, menu, franchise information. Red Robin - US chain. Presents locations, menu, and merchandise. Steak n Shake - Midwest chain. Includes store locator, menu, specials, and franchise information. Sonic Drive-In - Chain of drive-in restaurants in the United States. Presents menu, locations, and deals. Back Yard Burgers - Southern and Midwest US chain. Provides locations, menu, franchise information, and catering details. Carl's Jr. - Burger restaurant chain with locations across the United States. Information about jobs, an online store offering clothing and gift certificates, and nutritional information. The Ground Round - Eastern and Midwest US chain. Includes menu, locations, and specials. Culver's - Locations throughout the southwest and midwestern United States. Includes menu, careers, and franchise opportunities. Cheeseburger in Paradise - Chain owned by Jimmy Buffett. Providing menus, locations, events, and company details. Wild Willy's Burgers - Small New England (United States) chain. Locations, menu, and mailing list signup form. The Counter - Gourmet custom made burgers. Menu, photographs, and franchise information. Locations in California, Colorado, Connecticut, Illinois, Texas, Utah, Georgia and North Carolina. Burger King Restaurants - International chain. Includes store locator, history, and specials. McDonald's - Corporate site for the Golden Arches serving such favorites as Egg McMuffin and Big Mac sandwiches and french fries for lunch and dinner. Includes corporation information and locations worldwide. Burger Street - Fast-food chain with locations in the Dallas-Fort Worth and Tulsa areas. Menu, locations, catering and careers. Krystal - Southeast US quick serve restaurant chain. Menu with nutritional information, news and store locator. Fatburger - Headquarters of hamburger chain; provides franchise information, food information, and area locations. Elevation Burger - Hamburger restaurant chain with a sustainable food philosophy, offering organic beef and veggie burger options. Locations mostly in the eastern United States. Twisted Root Burger Co. - Burgers, fried sides, salads, custard and alcoholic shakes, and rootbeer floats. Texas and Louisiana. The Habit Burger Grill - Char-grilled burgers, sandwiches, salads, sides, kids meals, and milkshakes. Grub Burger Bar - Lists locations, menus, gift cards, and online ordering. Hardee's - US chain. Presents locations, menu, gift cards, and special offers. Farm Burger - Eco-conscious burger chain. Lists locations, menus, news, and events. Smashburger - Lists location finder, menu, and franchise information.