GATX Corp. engages in leasing and owning railcar and fleets in North America, Europe and Asia. The company is headquartered in Chicago, Illinois and currently employs 1,904 full-time employees. The firm owns aircraft spare engine lease portfolios in the world. The firm operates through three business segments: Rail North America, Rail International and Portfolio Management. Rail North America primarily provides railcars leases service under which it maintains the railcars, pays ad valorem taxes and insurance and provides other ancillary services. Rail International segment operates in Europe (GATX Rail Europe or GRE), India (Rail India), and Russia (Rail Russia). GRE primarily leases railcars to customers throughout Europe. The Portfolio Management segment is composed of the Company's ownership in a group of joint ventures with Rolls-Royce plc that lease aircraft spare engines and GATX Engine Leasing (GEL), its wholly owned aircraft spare engine leasing business. Its rail customers primarily operate in the petroleum, chemical, food/agriculture, and transportation industries.