GATX Corp. engages in leasing, management, and remarketing long-lived, widely used assets, primarily in the rail market. It operates through the following segments: Rail North America, Rail International, Engine Leasing, and Other. The Rail North America segment provides railcars pursuant to full-service leases under which it maintains the railcars and provides other ancillary services. The Rail International segment is involved in leasing railcars to customers throughout Europe pursuant to full-service leases. The Engine Leasing segment includes ownership interest in the RRPF affiliates, a group of joint ventures with Rolls-Royce that lease aircraft spare engines, and GEL, which directly owns aircraft spare engines that are leased to airline customers. The Other segment refers to tank container leasing business operations. The company was founded in 1898 and is headquartered in Chicago, IL.