Okumura Engineering corp. engages in the development, manufacturing, and sales of various valves for industrial, building, and marine applications. It manufactures and sells butterfly pipes used in construction, power generation, shipbuilding, and various plants industries. The company also provides fluid control equipment; pinch and knife gate valves; land-use products to building equipment, chemical, electric power, gas, steel, paper and pulp, and water treatment industries; and marine products to various shipyards. The company was founded in 1902 and is headquartered in Yasu, Japan.