Union Pacific Railroad Company is an operating subsidiary of Union Pacific Corporation, which is one of the United States leading transportation companies. Union Pacific Railroad Company is one of the largest railroad operators in North America. The railroad links more than 20 states in the western U.S. Its business mix includes chemicals, food and forest products, metals and minerals, and automobiles and parts. Union Pacific Railroad Company s customers include General Motors and APL Limited. It also specializes in the transportation of truck trailers and containers. The railroad operated by the company moves more than 260 million tons of coal annually. In addition, the company runs a commuter train operation in Chicago. With a work force of over 45,000 employees, Union Pacific Railroad Company provides services to the East through its major gateways in Chicago, St. Louis and New Orleans.