Norfolk Southern Corporation (NSC)
Norfolk Southern Corporation, together with its subsidiaries, engages in the rail transportation of raw materials, intermediate products, and finished goods in the United States.
Union Pacific Corporation (UNP)
Union Pacific Corporation, through its subsidiary, Union Pacific Railroad Company, operates in the railroad business in the United States.
CSX Corporation (CSX)
CSX Corporation, together with its subsidiaries, provides rail-based freight transportation services.