Nagawa Co Ltd is engaged in the manufacture, sale, and lease of modular buildings under the Super House brand in Japan. It operates through two business segments. The Prefabricated House segment is engaged in the manufacture, sale, and rental of prefabricated houses, the rental and sale of related office equipment, supplies, and electrical products for prefabricated houses. The Construction Equipment Rental segment is involved in the sale and rental of construction equipment. Also, it is engaged in the sale of gasoline, light diesel oil and others.