Eidai Co., Ltd. is a company mainly engaged in the manufacture and sale of wooden building materials and wooden boards. The Company operates in two business segments. The Housing Materials segment manufactures and sells building materials, including floorings, stairs sets, interior doors, construction materials and system kitchens. The Wooden Board segment is engaged in the manufacturing and sale of raw material particle boards and cosmetic particle boards. The others business engages in utilization business of owned real estate, asbestos treatment work, measurement and analysis of work environment, sales of processed chemicals and other environmental businesses, as well as solar power generation business.