Fudo Tetra Corp. engages in the provision of civil engineering, soil improvement and environmental services. It operates through the following business divisions: Civil Engineering Business, Soil Improvement Business, Block Environment Business, and Others. The Civil Engineering Business division provides society's foundations through a wealth of technology and achievement in the land-based civil engineering sector such as roads, railways, dams and rivers, water and sewage, and energy facilities, and in the ocean-based civil engineering sector such as ports and airports, fishing harbors, coasts and artificial islands. The Soil Improvement Business division deals with land and sea ground improvement constructions, construction machineries leasing, and sale of its related products. The Block Environment Business division engages in the development and sale of products to protect landscapes and ecosystems. The Others segment offers group insurance services. The company was founded on January 28, 1947 and is headquartered in Tokyo, Japan.