KOMATSU LTD. is a Japan-based company principally engaged in the research, development, sale, sales finance of products such as construction machinery. The Company 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 Company also provides excimer lasers for other semiconductor exposure equipment.