Nagawa Co., Ltd. engages in the manufacture, sale and lease of modular buildings. It operates through the following segments: Unit House, Module System Construction, and Construction Machinery Rental. The Unit House segment manufactures, sells and leases unit houses and related business. The Module System Construction segment performs construction and sale of system architecture. The Construction Machinery Rental segment engages in the sale and lease of construction equipment. It also provides the lease and sale of construction machinery and equipment; sale of construction materials; remodelling business, civil engineering and utility projects. The company was founded by Isao Takahashi on July 21, 1966 and is headquartered in Tokyo, Japan.