GATX Corporation (GATX) leases, operates, manages and remarkets assets, primarily in the rail and marine markets. The Company operates through four primary business segments: Rail North America, Rail International, American Steamship Company (ASC) and Portfolio Management. Rail North America segment consists of its wholly owned operations in the United States, Canada, and Mexico, as well as two affiliate investments. Rail International segment consists of its wholly owned European operations (Rail Europe) and an established railcar leasing business in India (Rail India), as well as one development stage affiliate in China. ASC segment operates a fleet of Unied States flagged vessels on the Great Lakes, providing waterborne transportation of dry bulk commodities such as iron ore, coal, limestone aggregates, and metallurgical limestone. Portfolio Management segment provides leasing, shipping, asset remarketing and asset management services.