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, Financial Products, and All Other. 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 Financial Products segment line business provides a wide range of financing alternatives to customers and dealers for Caterpillar machinery and engines, solar gas turbines as well as other equipment and marine vessels. The All Other segments includes activities such as; the business strategy, product management and development, and manufacturing of filters and fluids, undercarriage, tires and rims, engaging tools, and fluid transfers. The company was founded on April 15, 1925 and is headquartered in Peoria, IL.