Caterpillar, Inc. engages in the manufacture of construction and mining equipment, diesel and natural gas engines, industrial gas turbines, and diesel-electric locomotives. It provides technology for construction, transportation, mining, forestry, energy, logistics, electronics, financing, and electric power generation. It operates through the following segments: Construction Industries, Resource Industries, Energy & Transportation, and Financial Products. The Construction Industries segment supports customers using machinery in infrastructure and building construction applications. The Resource Industries segment responsible for supporting customers using machinery in mining and quarrying applications and it includes business strategy, product design, product management, and development, manufacturing, marketing and sales and product support. The Energy & Transportation segment supports customers in oil and gas, power generation, marine, rail, and industrial applications. The Financia