Knife River Corp

Knife River Corporation operates as an aggregates and construction materials company serving infrastructure and development markets across the United States. The company mines, processes, and sells construction aggregates including crushed stone, sand, and gravel. It also manufactures and distributes asphalt, ready-mix concrete, and liquid asphalt for road construction, alongside cement and other building materials. The company provides contracting services encompassing heavy-civil construction, asphalt and concrete paving, and site development and grading work.

The company is organized into four operating segments: West, Mountain, Central, and Energy Services. Its customer base spans both public and private sectors, including federal, state, and municipal government agencies; industrial and commercial developers; and residential developers. A significant portion of revenue derives from public-sector infrastructure projects involving highways, local roads, bridges, and other public works.

Knife River operates across multiple U.S. regions through its four segments, with headquarters in Bismarck, North Dakota. The company employs approximately 5,298 full-time employees. The company was founded in 1917, reflecting its long operational history in the construction materials and contracting sectors.