Okumura Corporation engages in the civil engineering, architectural construction, and investment development businesses in Japan. The company undertakes various projects, including office/commercial facilities, houses/schools, hospitals/social welfare facilities, cultural/amusement facilities, transportation/logistics/others, government/research facilities, seismic isolation systems, dam/power plant/energy facilities, railways, roads, airports/ports, artificial island/land development, water and sewerage/waste disposal sites, sports facilities, and environment facilities. It also designs, manufactures, sells, and repairs construction/industrial machines and devices; and provides real estate, land, and building management services, as well as owns rental properties, such as residential buildings, warehouses, and land in Osaka and other areas; and manufactures and sells construction machinery, materials, and others. In addition, the company generates and sells renewable electricity. The company was founded in 1907 and is headquartered in Osaka, Japan.