OHMORI CO., LTD. is mainly engaged in the construction business. The Company operates in four business segments. The Construction segment is engaged in the order and construction of construction works. The Real Estate segment is engaged in the purchase, sale and leasing of real estate properties, the sale of solar power generation equipment, as well as the lease of L-type earth retaining wall for open-cut use (OLY). The Telecommunications Related segment is The Others segment is engaged in the closet rental and other businesses.