Knife River

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new at Knife River
Zinke promoted to president of Knife Rivers Montana and Wyoming operations
Knife River Corporation has named Dave Zinke the president of its Montana and Wyoming operations. Read more >>
Crennen promoted to area president of Knife Rivers North Central and South regions
Knife River Corporation has named Tim Crennen to area president of its North Central and South regions. Read more >>
Two Knife River divisions successful bidders on more than $34 million in new work
Knife River Corporations Midwest and Central Texas Divisions, based in Sioux City, Iowa, and Bryan, Texas, were successful bidders on six new projects totaling more than $34 million. Read more >>

who we are and what we do

Knife River Corporation is one of the Top 10 Aggregate Producers in America and is one of only three companies in that distinction that remains U.S.-owned and operated. Built on a foundation of more than 1.1 billion tons of aggregate reserves, Knife Rivers operating companies provide Aggregate, Asphalt, Building Materials, Construction Services, Liquid Asphalt and Ready-Mix Concrete to public and private sector clients.

find the Knife River location near you

Knife River Materials Northern Minnesota division/dt>
Knife River Materials Northern Minnesota division
Knife River - North Central Division

Knife River Materials - North Central Division

MDU Resources Group, Inc.

MDU Resources Group, Inc., a Fortune 500 company and a member of the S&P MidCap 400 index, provides valueadded natural resource products and related services that are essential to energy and transportation infrastructure, operating in three core lines of business: utility resources, energy and construction materials. MDU Resources includes electric and natural gas utilities, construction services, natural gas and oil production, natural gas pipelines and energy services, and construction materials and contracting. For more information about MDU Resources, see the company's Web site at www.mdu.com or contact the Investor Relations Department at investor@mduresources.com

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