About Us

Who We Are

putting people first

Knife River is committed to putting people first. That means taking care of our employees, our customers and our communities by operating with integrity and always striving for excellence.

“When you make a commitment to putting people first, that of course means every person.”

- Brian gray, president and CEO

People

We will take care of our team by providing them the tools, training and time to perform their work safely and successfully. We will provide competitive wages and benefits. We will deliver excellent customer service and treat everyone with respect. We will watch out for the public in our work zones and anywhere we operate.

Safety

Our top priority on every task, every time, every day. We strive to lead the world in safety not because of statistics, but because we genuinely care about people’s wellbeing. Everyone has the right to be safe and the responsibility to look out for their co-workers, the public and themselves.

Quality

We will deliver consistent, high-quality products and services to our customers. We will get called back to do more work, not re-work. We will build relationships with our customers and the public, so they know they can depend on us.

Environment

We continuously manage our impact on the environment to minimize our footprint and to keep our states beautiful for future generations.

Knife River

Our Business

Knife River builds the roads, bridges and airport runways that connect you with where you want to go. From driveways to highways, our mission is to build strong neighborhoods and build strong communities.

We are one of the nation’s largest construction materials and contracting businesses. With over 1 billion tons of rock and over 5,700 employees across the western U.S., we are here to meet your construction needs.

Man with Integrity

Building strong communities doesn’t stop where the pavement ends. We are involved in our communities and also support charitable efforts – with an emphasis on programs for youth, veterans and community betterment.

Nearly 100 acquisitions since 1992, growing revenue to $2.2 billion

Acquisition Information: Contact Us Below

Aquisitions

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1917
Founded near the Knife River in North Dakota
1945
Purchased by Montana-Dakota Utilities
1985
Became part of MDU Resources Group
1992
First aggregates acquisition (California)
1993
Expand into Alaska
1995
Expand into Hawaii
1996
Expand into Oregon
1999
Expand into Montana/Wyoming
2000
Expand into Idaho
2002
Expand into Minnesota
2003
Expand into Texas
2005
Expand into Iowa/Nebraska/South Dakota
2020
Expand into Washington
2023
Separated from MDU Resources, became independent, publicly traded company (NYSE: KNF)