GATX Corporation is a global asset leasing company that operates one of the world's largest railcar fleets, leasing tank cars, freight cars, and locomotives to transportation, chemical, petroleum, and agricultural customers across North America, Europe, and India under full-service and net lease agreements. The company's revenue is generated through long-term leases of railcars and locomotives, aircraft spare engines leased through joint ventures with Rolls-Royce, tank container leasing operations, and ancillary maintenance and management services. GATX serves a diversified customer base across multiple industries and geographies, competing on fleet availability, maintenance capabilities, lease structures, and engineering expertise in the specialized asset leasing sector.