GATX Corporation operates as railcar leasing company in the United States and internationally The company operates through three segments Rail North America Rail International and Portfolio Management It leases tank and freight railcars and locomotives for petroleum chemical foodagriculture and transportation industries The company also offers services including the interior cleaning of railcars routine maintenance and repair of car body and safety appliances regulatory compliance works wheelset replacements interior blast and lining operations exterior blast and painting and car stenciling In addition it leases aircraft spare engines directlyowned aircraft spare engines and five liquefied gascarrying vessels as well as manages portfolios of assets for third parties The company owns a fleet of approximately 147000 railcars 539 fouraxle and 29 sixaxle locomotives and 5 vessels GATX Corporation was founded in 1898 and is headquartered in Chicago Illinois