Tekken Corp is a Japan-based company engaged in the business of construction. The company is involved in the construction of infrastructures such as roads, tunnels, bridges, water supply and sewerage systems, river protection stations. In addition, it is also in the development of railway cubic intersections, railway civil engineering to create tunnels, bridges, embankments, station buildings, station buildings, and vehicle bases. Further, the company also makes condominiums, schools, medical and welfare institutions, and buildings and others.