Nankai Tatsumura Construction Co., Ltd. engages in the general construction business which includes civil engineering, architecture, piping, electrical, and telecommunication works. It operates through the following business segments: Construction Business and Real Estate Business. The Construction Business segment includes architecture, public works, electrical works, and other related construction services. The Real Estate Business segment includes real estate sales and leasing services. It is also engages in the designing and ownership trading of general construction services and real estate business. The company was founded by Katsusaburo Nishida in March 1923 and is headquartered in Osaka, Japan.