Knife River Corporation

Knife River mines and processes materials like crushed stone, sand, and gravel that are used to build roads, buildings, and other infrastructure. The company also manufactures asphalt and ready-mix concrete from these materials, and produces liquid asphalt for road construction. In addition to selling these materials, Knife River performs construction work itself, including heavy-civil projects, paving, and site preparation for highways, bridges, and public infrastructure. The company operates across the western and central United States and serves government agencies, developers, and construc...