Grand River Navigation Company, Inc.
Maritime TransportationMichigan, United States51-200 Employees
Grand River Navigation Company is the U.S. operating subsidiary of Mainstay Maritime, Inc. Together with our Canadian sister company, Lower Lakes Towing Ltd., we are one of the largest marine transportation service providers operating on the Great Lakes today with a combined fleet of 15 bulk freight vessel is service to over 50 customers across the Great Lakes and St. Lawrence Seaway.