MDU Resources Group has closed on Sweetman Const. Co., an integrated ready mixed, aggregates and asphalt producer operating in the Sioux Falls, S.D., market 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.
Read MorePRODUCERS – NOVEMBER 2018
