Yamadai Corp. engages in the sale of housing and construction materials. Its operations are carried out through the following segments: Housing Materials, Construction, and Leasing. The Housing Materials segment deals with the wholesale and retail of residential construction and housing materials, artificial drying, preservation treatment, and computer cutting of wood. The Construction segment handles the design, construction, supervision of residential buildings and general buildings, and sell and mediate real estate. The Leasing segment deals with real estate leasing and brokerage operations. The company was founded on August 5, 1964 and is headquartered in Ishinomaki, Japan.