Omaha, Nebraska-based Union Pacific is the largest public railroad in North America. Operating on more than 30,000 miles of track in the western two thirds of the us, UP generated $24 billion of revenue in 2023 by hauling coal, industrial products, intermodal containers, agriculture goods, chemicals, fertilizers, and automotive goods. UP owns about one fourth of Mexican railroad Ferromex and historically derives roughly 10% of its revenue hauling freight to and from Mexico.