Komatsu manufactures and sells construction, mining, utility, forestry, and industrial machinery. It also provides related services such as supplying parts, financing, and maintenance. Its major products are hydraulic excavators, bulldozers, wheel loaders, dump trucks, and motor graders, which focus on surface mining and construction. Through its subsidiary, Komatsu Mining (previously Joy Global before being acquired), the company manufactures and sells surface mining equipment like draglines as well as underground mining machinery such as continuous miners and blasthole drills. The company is headquartered in Tokyo.