Aggregate Industries 1501 N Columbia Rd Grand Forks, ND 58203 Phone : (701) 436-5472 Business Category Building Materials Concrete-Ready Mixed Sand & Gravel (Wholesale) Concrete Aggregates (Wholesale) Ready Mixed Concrete Producers Aggregate Industries 404 1st St Nw Hillsboro, ND 58045 Phone : (701) 436-5472 Aggregate Industries Business Category Building Materials Concrete-Ready Mixed Sand & Gravel-Manufacturers Ready Mixed Concrete Producers Manufacturers Masonry Materials & Supplies Services           Excavating, Landscaping, Ready Mixed Concrete Products           Asphalt Patch, Blocks, Building Materials, Concrete, Gravel, Sand