MGM Resorts International was founded in 1986 and is the largest casino and hotel conglomerate in the United States headquartered in Las Vegas, Nevada. The company operates hotels and casinos nationwide and also in the Chinese territory of Macau. MGM’s largest presence is in Las Vegas, NV where it owns and operates close to one dozen hotel and casinos. With over 74,500 employees see what people are saying about working for MGM Resorts International.