Knife River produces and supplies essential construction materials across the western, central, and southern United States, operating thousands of locations where it mines and processes over 1 billion tons of rock annually. The company's portfolio spans aggregates, asphalt, ready-mix concrete, sand, and gravel - materials fundamental to infrastructure development. This scale positions Knife River among the nation's largest construction materials businesses.
Beyond materials supply, Knife River provides comprehensive contracting services for highway, road, bridge, and marine construction projects. These operations serve both public infrastructure initiatives and private-sector clients, enabling the company to participate across the full value chain of construction activity.
The organisation employs over 5,700 professionals across its operations. The company emphasises safety, respect, and team development as core operational principles, viewing these as foundational to delivering lasting results in infrastructure projects that serve American communities.
