GATX is a railcar leasing company that operates in the United States and globally, with three key segments: Rail North America, Rail International, and Portfolio Management, leasing tank, freight railcars, and locomotives for various industries, including petroleum, chemical, food/agriculture, and transport. In addition, GATX provides services such as interior cleaning, maintenance and repair of railcars and safety devices, compliance work, blasting and painting, and car stenciling. The corporation also manages asset portfolios for third parties, owns a fleet of nearly 147,000 railcars, 5 vessels, 539 four-axle and 29 six-axle locomotives, and was established in Chicago, Illinois back in 1898.