Fudo Tetra Corporation engages in the civil engineering, ground improvement, and blocks and environment businesses in Japan. The company undertakes land-based civil engineering works related to roads, railways, dams, rivers, water and sewage, and energy facilities; and offshore civil engineering works for harbors, airports, fishing ports, shorelines, and man-made islands, as well as offers environmental solutions. It also provides ground improvement technologies for settlement reduction, stability increase, liquefaction mitigation, water cutoff walls, building foundations, and other applications. In addition, the company offers 3D, flat, stepped, and vertical wave-dissipating blocks; environmental landscaping products; sells aquatic environmental products, such as filter units and reef mats; and provides technical and design services using CAD to create plans and layout diagrams. Fudo Tetra Corporation was incorporated in 1947 and is headquartered in Tokyo, Japan.