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Northstar Materials, Inc. operates three company divisions with headquarters in Bemidji, Minnesota. In 2002, Thorson, Bemidji Blacktop and Gesell Concrete Products all were acquired by Knife River Corporation, the construction materials and mining
Cosmopolitan Engineering Group is a Tacoma, WA-based company in the Business Services sector.
Kreisers Inc is a Sioux City, IA-based company in the Business Services sector.
Ductmasters is a Orange, CA-based company in the Business Services sector.