Jack in the Box Inc. operates and franchises quick-service restaurants under the Jack in the Box and Del Taco brands in the United States. The company's restaurant operates as a hamburger chain and a Mexican-American QSR chain across multiple states in United States. Jack in the Box Inc. was formerly known as Foodmaker, Inc and changed its name to Jack in the Box Inc. in November 1999. The company was founded in 1951 and is headquartered in San Diego, California.