Knife River Corporation, headquartered in Bismarck, North Dakota, is a leading integrated construction materials and contracting company in the western United States. The company specializes in producing and supplying aggregates, asphalt mix, ready-mixed concrete and other heavy construction materials used in highway, commercial and residential projects.
In addition to material production, Knife River offers a comprehensive suite of contracting services, including heavy civil construction, road building, underground and open-pit mining and logistics support. Its operations encompass more than 160 facilities—quarries, recycling sites, asphalt plants and concrete batch plants—serving state, local and federal government agencies as well as private-sector customers.
With a geographic footprint spanning eight states—Montana, North Dakota, Minnesota, South Dakota, Oregon, Washington, Utah and Arizona—the company supports transportation, energy and water infrastructure projects across diverse climates and terrains. Knife River’s local operating teams and specialized equipment fleet enable end-to-end project delivery, from initial site evaluation through final paving and finishing.
Knife River traces its origins to MDU Resources Group, from which it completed a tax-free spin-off in May 2024. As an independent public company listed on the New York Stock Exchange under the symbol KNF, Knife River continues to leverage decades of industry expertise to meet growing infrastructure demands in its core markets.
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