MDU Resources Group, Inc. is a regulated utility holding company headquartered in Bismarck, North Dakota. Through its utility subsidiaries, the company generates, transmits and distributes electricity and provides natural gas distribution and related services to residential, commercial, industrial and agricultural customers.
MDU’s principal electric utility, Montana-Dakota Utilities Co., serves customers in parts of North Dakota, South Dakota, Montana and Wyoming. Its natural gas operations include Montana-Dakota Utilities, Great Plains Natural Gas Co., Cascade Natural Gas Corp. and Intermountain Gas Co., serving communities in portions of the northern Rocky Mountain and Pacific Northwest regions, including Idaho, Oregon and Washington.
Founded in 1924, MDU Resources historically operated a broader portfolio that included construction materials and contracting businesses. The company separated Knife River Corporation, its construction materials subsidiary, in 2023 and completed the separation of its construction services business, now known as Everus Construction Group, in 2024. MDU Resources is led by President and Chief Executive Officer David L. Goodin.
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