Yahagi Construction Co., Ltd. engages in the construction and civil engineering business. It operates through the following segments: Construction, Civil Engineering, and Real Estate. The Construction segment manages general construction works including seismic reinforcement work and construction equipment rental business. The Civil Engineering segment deals with civil engineering and railway construction, and golf course management. The Real Estate segment engages in the sale and leasing of real estate properties with a focus on condominiums. The company was founded by Katsuo Yamada on May 14, 1949 and is headquartered Nagoya, Japan.