Mdu Resources Group Inc
MDU Resources Group, Inc. is a diversified energy and construction company headquartered in Bismarck, North Dakota. The company operates through various segments, including electric and natural gas utility operations, pipeline and energy services, construction materials, and contract construction. MDU provides essential services such as electric generation, transmission, and distribution, as well as natural gas distribution to residential, commercial, and industrial customers. The construction segment focuses on providing infrastructure and related services, including road and bridge construction, utility construction, and materials production.