NYSE:
MDUR:
Utility Services
  • MDU Resources Announces Webcast of Analyst Conference Call

    MDU Resources Group, Inc. (NYSE:MDU) will webcast its second quarter 2016 earnings conference call Aug. 3 following the release of its results.
  • MDU Resources Subsidiary Sells Dakota Prairie Refining to Tesoro

    MDU Resources Group, Inc. (NYSE: MDU) announced today that its subsidiary, WBI Energy, Inc., has sold Dakota Prairie Refining LLC to Tesoro Refining & Marketing Company LLC, an affiliate of Tesoro Corporation.
  • MDU Resources Pipeline Expansion in Eastern North Dakota and Western Minnesota

    WBI Energy, Inc., the pipeline and midstream subsidiary of MDU Resources Group, Inc. (NYSE: MDU), today announced plans to build an approximately 38-mile pipeline with the primary purpose of delivering natural gas supply to eastern North Dakota and far western Minnesota.
  • 2015 Annual Report, Form 10-K and Proxy Statement
    MDU Resources had record earnings from its construction materials business in 2015 and divested the majority of its oil and natural gas exploration and production assets. The company has a number of utility rate proceedings underway to recover investments in its operations and has plans for continued growth. Details on the company's growth strategy and financial results are presented in our 2015 Annual Report, Form 10-K and Proxy.  (HTML)  (PDF)
  • 2015 Sustainability Report
    2015SustainabilityReportMDU Resources Group manages its business with a long-term view toward sustainable operations, focusing on how economic, environmental and social impacts help us in Building a Strong America.
  • Goals for Greenhouse Gas Emissions Reductions Report

    MDU Resources recognizes that our operations can have an impact on our environment, including through emissions of what have been identified by the government as greenhouse gases (GHG). This report details our efforts to reduce GHG emissions.

  • MDU Resources' Production and Safe Management of Coal Combustion Resdiuals (CCRs)

    MDU Resources Group has prepared a report discussing the safe management of coal ash produced by our coal-fueled electric generating plants.

Our Utilities

MDU Resources Group's utility companies provide more than 1 million customers with electric and natural gas services in eight states.

Our Pipeline and Midstream

WBI Energy has natural gas pipeline, oil gathering and associated systems and services in the Rocky Mountain and northern Great Plains regions of the U.S. This business unit also co-owns a diesel refinery in North Dakota.

Our Construction

MDU Resources Group has construction materials and contracting operations and construction service operations across the U.S.