Utility Services
  • MDU Resources Announces Webcast of Analyst Conference Call

    MDU Resources Group, Inc. (NYSE: MDU) will webcast its first quarter 2018 earnings conference call May 3 following the release of its financial results.
  • MDU Resources Announces Webcast of Analyst Seminar

    MDU Resources Group, Inc. (NYSE: MDU) will webcast its annual investor analyst seminar March 14 from New York City.
  • Montana-Dakota Utilities signs agreement to purchase North Dakota wind farm expansion

    Montana-Dakota Utilities Co., a division of MDU Resources Group (NYSE: MDU), announced today that it has signed an agreement to purchase a North Dakota wind farm expansion to be developed by ALLETE Clean Energy (ACE), a subsidiary of ALLETE, Inc. (NYSE: ALE).
  • 2017 Annual Report, Form 10-K and Proxy Statement
    2017_AR_Cover_ThumbnailMDU Resources, through its regulated energy delivery and construction materials and services businesses, continues Building a Strong America®. Details on the company's financial results and growth efforts are presented in the 2017 Annual Report, Form 10-K and Proxy.  (HTML)  (PDF)
  • MDU Resources Year-End 2017 Results Infographic

    This infographic summarizes MDU Resources Group’s year-end 2017 results.

  • 2017 Sustainability Report
    MDU 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.

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 and associated systems and services in the Rocky Mountain and northern Great Plains regions of the U.S.

Our Construction

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