Knife River Corporation KNF NYSE

Knife River Corporation is a leading supplier of aggregates-based construction materials and contracting services across the United States, operating through six regional segments: Pacific, Northwest, Mountain, North Central, South, and Energy Services. The company mines, processes, and sells construction aggregates such as crushed stone, sand, and gravel, while also producing asphalt and ready-mix concrete products. In addition to its material supply operations, Knife River provides comprehensive contracting services including heavy-civil construction, asphalt and concrete paving, and site development and grading. The company primarily serves federal, state, and municipal government clients on major infrastructure projects including highways, bridges, airports, schools, and public buildings. Founded in 1917 and headquartered in Bismarck, North Dakota, Knife River has established itself as a cornerstone supplier for public infrastructure development.