Caterpillar Inc. manufactures and sells construction and mining equipment, diesel and natural gas engines, industrial gas turbines, and diesel-electric locomotives worldwide. The company's Construction Industries segment offers construction machinery and related parts, including backhoe, skid steer, multi-terrain, track-type, skid steer, compact, and wheel loaders; track, wheel, and mini excavators; track-type tractors; motor graders; and pipelayers for the heavy construction, general construction, mining and quarry, and aggregates markets. Its Resource Industries segment provides electric rope and hydraulic shovels, draglines, drills, forestry products, highwall miners, off-highway and articulated trucks, electric drive mining trucks, wheel tractor scrapers, compactors, mining trucks, wheel dozers, paving products, tunnel boring and underground mining equipment, electronics and control systems, industrial swing machines, and machinery components for mine, quarry, forestry, paving, tunneling, industrial, and waste customers. The company's Power Systems segment offers reciprocating engine powered generator sets; integrated systems for the electric power generation industry; reciprocating engines, and integrated systems and solutions; turbines and turbine-related services; and diesel-electric locomotives and components, and rail-related products and services. Its Financial Products segment provides retail and wholesale financing alternatives for Caterpillar equipment, machinery, and engines; offers property, casualty, life, accident, and health insurance, as well as insurance brokerage services; and purchases short-term receivables. The company markets its products through its sales force, distribution centers, dealers, and distributors. It was formerly known as Caterpillar Tractor Co. and changed its name to Caterpillar Inc. in 1986. The company was founded in 1925 and is headquartered in Peoria, Illinois.