Shake Shack, Inc. engages in the operation and licensing of Shake Shack restaurants which serve burgers, hot dogs, crinkle cut fries, shakes, frozen custard, beer, wine, and related products. The company is headquartered in New York City, New York and currently employs 12,826 full-time employees. The company went IPO on 2015-01-30. The Company’s menu focuses on food and beverages, carefully crafted from a range of classic American foods. Its burger categories include ShackBurger, SmokeShack, Shroom Burger (a vegetarian burger), Shack Stack, Avocado Bacon Burger and Hamburger. Its chicken products include Chicken Shack and Chicken Bites. The company also offers wines, including Shack Red, Shack White, and Shack Rose. In addition, it serves Abita Root Beer, Shack-made lemonade, organic fresh brewed iced tea, Fifty/Fifty, Honest Kids organic apple juice and Shack2O bottled still and sparkling waters. The firm operates in approximately 570 locations system-wide, including over 370 in 34 U.S. States and the District of Columbia, and over 200 international locations across London, Hong Kong, Shanghai, Singapore, Mexico City, Istanbul, Dubai, Tokyo, Seoul and more.