Sources: MDU Resources Group Inc., Bismarck, N.D.; CP staff
MDU Resources has closed on Sweetman Const. Co., an integrated ready mixed, aggregates and asphalt producer serving the Sioux Falls, S.D., market and operating as Concrete Materials Co. The company and its 260 employees join the North Central Region—Dakotas, Iowa, Minnesota, Nebraska—of MDU’s Knife River Corp. construction materials subsidiary.
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