Jack in the Box

Jack in the Box Inc. is a restaurant company that operates and franchises Jack in the Box restaurants, one of the largest hamburger chains in the United States. Located in Tulsa, Okla., it operates more than 2,200 restaurants in 19 states in the United States. The restaurant serves a range of dishes, including hamburgers, sandwiches, salads and ice cream shakes. Additionally, through its subsidiary, the company operates and franchises Qdoba Mexican Grill, one of the leaders in fast-casual dining.