GATX Corporation leases, operates, manages, and remarkets assets primarily in the rail market worldwide. 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, food/agriculture, and transportation industries. The company also offers services, including 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 and liquefied gas-carrying vessels, as well as manages portfolios of assets for third parties. As of December 31, 2020, it operated a fleet of approximately 149,000 railcars 617 four-axle and 28 six-axle locomotives and 5 vessels. GATX Corporation was founded in 1898 and is headquartered in Chicago, Illinois.