Knife River Corp, 51 Andrea Dr, Belgrade, MT 59714, US

Knife River Corporation is a subsidiary of the MDU Resources Group. It is a fully integrated, independently managed construction materials and mining business. The company uses large equipment, crushers, conveyors and loading equipment for mining and related construction materials production. Knife River mines aggregates and markets crushed stone, sand, gravel and related construction materials, including ready-mixed concrete, cement, asphalt and other value-added products. It also performs integrated construction services. The company manufactures and distributes liquid asphalt cement, as well as recycles used petroleum products. Knife River provides materials and services to both public and private sectors. It has operations in the Midwest and western United States. The company maintains a location in Belgrade, Mont.