Knife River Materials


Construction & Building Maintenance

About Us

At Knife River, our success is built on four core values: People, Safety, Quality and our Environmental Commitment.

We are one of the largest construction materials and contracting companies in the United States, a status we could not have achieved without our dedicated customers and our 4,800 team members. People are critical to our success, whether it's our employees, our customers, or the end users of our products and services.


  • Construction
  • Concreate
  • Gravel
  • Sand
  • Crushed Stone