Komatsu Ltd. engages in the manufacture and sale of construction and mining equipment, utility devices, forest and industrial machineries. The company is headquartered in Minato-Ku, Tokyo-To. The firm operates in three business segments. Construction Machinery & Vehicle segment provides drilling machinery, loading machinery, land preparation and roadbed machinery, transport machinery, forestry machinery, underground construction machinery, underground mining machinery, environmental recycling machinery, industrial vehicles, cast products and logistics services. Retail Finance segment is engaged in the sales finance business related to construction and mining equipment. Industrial Machinery & Others segment provides forging machines, sheet metal machines, machine tools, temperature control devices, as well as defense-related ammunition and armored vehicles, among others. The firm also provides excimer lasers for other semiconductor exposure equipment.