Union Pacific Corporation, through its subsidiary, Union Pacific Railroad Company, operates in the railroad business in the United States. The company offers transportation services for grain and grain products, fertilizers, food and refrigerated products, and coal and renewables to grain processors, animal feeders, ethanol producers, and other agricultural users; petroleum, and liquid petroleum gases; and construction products, industrial chemicals, plastics, forest products, specialized products, metals and ores, soda ash, and sand, as well as finished automobiles, automotive parts, and merchandise in intermodal containers. As of December 31, 2021, its rail network included 32,452 route miles connecting Pacific Coast and Gulf Coast ports with the Midwest and Eastern United States gateways.