Caterpillar, Inc. engages in the business of manufacturing construction and mining equipment, off-highway diesel and natural gas engines, industrial gas turbines, and diesel-electric locomotives. It operates through the following segments: Construction Industries, Resource Industries, Power and Energy, and All Other. The Construction Industries segment is involved in supporting customers using machinery in infrastructure and building construction applications. The Resource Industries segment offers machinery in mining, heavy construction, quarry, and aggregates. The Power and Energy segment focuses on reciprocating engines, turbines, diesel-electric locomotives, and related services across industries serving oil and gas, power generation, industrial, and transportation applications including marine- and rail-related businesses. The All Other segment includes activities such as the business strategy, product management and development, manufacturing, and sourcing of wear and maintenance components products, parts distribution, integrated logistics solutions, distribution services responsible for dealer development, and administration. The company was founded on April 15, 1925, and is headquartered in Irving, TX.