Abstract
AbstractConstruction ‐ Public Infrastructure (MIC: 3.1 SIC: 1611 NAIC:237310)MDU Resources Group is a diversified natural resource company operating through six reportable segments. Co.'s electric and natural gas distribution segments include the operations of Montana‐ Dakota and Great Plains Natural Gas Co. The utility services segment includes all the operations of Utility Services, Inc. The pipeline and energy services segment includes WBI Holdings' natural gas transportation, underground storage, gathering services, and energy‐related management services. The natural gas and oil production segment includes the operations of WBI Holdings. The construction materials and mining segment includes the results of Knife River's operations.
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