Established in 1921, White Castle Management Co. is one of the leading fast-food hamburger chains in the United States. Based in Bronx, N.Y., it operates through more than 400 outlets in 11 states. The restaurant offers several burger varieties, such as The Original Slider, double cheeseburger, chicken breast/fish with cheese and pulled pork, to name a few. Additionally, it offers side dishes, including French fries, onion rings, fish nibblers and mozzarella cheese sticks. White Castle Management Co. also serves beverages, such as shakes, coffee, tea, hot chocolate and Coco-Cola products.