Concrete Services, Contractors & Supplies go Results Found: 2 Button group with nested dropdown Strata Corporation Strata Corporation PO Box 13500 Grand Forks ND 58208 (701) 258-3925 Knife River Corporation - North Dako... Knife River Corporation - North Dakota Division 2370 Vermont Ave Bismarck ND 58504-6839 (701) 223-5480